CN102195948B

CN102195948B - Data processing method and strategy, charging execution function and gateway equipment

Info

Publication number: CN102195948B
Application number: CN201010126097.2A
Authority: CN
Inventors: 李岩; 王磊
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2010-03-15
Filing date: 2010-03-15
Publication date: 2014-12-03
Anticipated expiration: 2030-03-15
Also published as: CN102195948A

Abstract

The invention discloses a data processing method and strategy, a charging execution function and gateway equipment. The method comprises the following steps of: receiving an early media stream and a called media stream; inquiring a shared bandwidth of the early media stream and the called media stream; and if the priority of the called media stream is higher than the priority of the early media stream, forwarding the called media stream and discarding the early media stream. In the technical scheme provided by the embodiment of the invention, the received shared bandwidths of the early media stream and the called media stream are inquired by using a PCEF (Policy and Charging Enforcement Function), and the called media stream with higher priority is forwarded while the early media stream with lower priority is discarded if the priority of the called media stream is higher than the priority of the early media stream, so that the phenomena of audio mixing and clipping occurring on calling side UE (User Equipment) are avoided.

Description

Data processing method, strategy and charge execution function and gateway device

Technical field

The embodiment of the present invention relates to communication technical field, particularly a kind of data processing method, strategy and charge execution function and gateway device.

Background technology

IP multimedia system (IP Multimedia Subsystem, hereinafter to be referred as: IMS), defined early medium technique, early medium technique is Calling Side subscriber equipment (User Equipment, hereinafter to be referred as: while UE) calling out callee side UE, before callee side UE replys, can provide to Calling Side UE and/or callee side UE the technology of one section of Media Stream, this section of Media Stream is called early Media Stream.

Calling Side UE carries out in calling procedure callee side UE, before callee side UE replys Calling Side UE, can to Calling Side UE, provide early Media Stream by wireless bandwidth resource; And after callee side UE replys Calling Side UE, be in Calling Side UE and callee side UE communication process, can to Calling Side UE, provide called Media Stream by wireless bandwidth resource.Due to morning Media Stream transmit within the different time periods from called Media Stream, therefore, in order to save wireless bandwidth resource, can adopt the early mode of Media Stream and the shared bandwidth of called Media Stream.

At Calling Side UE, call out in callee side UE process, can be to color ring server (Customized Alerting Tones-Application Servers when callee side UE answers the call, hereinafter to be referred as: CAT-AS) send " 200OK " message, and simultaneously to Calling Side strategy and charge execution function (Policy and Charging Enforcement Function, hereinafter to be referred as: PCEF) send called Media Stream.Should " 200OK " message can make CAT-AS stop sending early Media Stream to PCEF.But, " 200OK " message is different from the transmission path of called Media Stream, the called Media Stream that callee side UE sends can be directly to PCEF, and " 200OK " message that callee side UE sends need to could arrive CAT-AS through other network equipments, and CAT-AS can continue to send early Media Stream to PCEF before receiving " 200OK " message.When called Media Stream arrives PCEF, " 200OK " message may not yet arrive CAT-AS.Therefore PCEF can receive Media Stream morning of called Media Stream and CAT-AS transmission simultaneously.

In prior art, early Media Stream and called Media Stream adopt the mode of sharing bandwidth, and PCEF and Calling Side UE set up dedicated bearing, and PCEF sends early Media Stream and called Media Stream by the dedicated bearing of setting up to Calling Side UE.In order to save wireless bandwidth resource, the bandwidth in the dedicated bearing of foundation adopts the maximum in the early required bandwidth of Media Stream and the required bandwidth of called Media Stream conventionally, rather than the early required bandwidth of Media Stream and the required bandwidth sum of called Media Stream.When PCEF receives called Media Stream and Media Stream morning simultaneously, and need to by the dedicated bearing set up by called Media Stream when early Media Stream sends to Calling Side UE, because the bandwidth in dedicated bearing is less than the early required bandwidth of Media Stream and the required bandwidth sum of called Media Stream, therefore PCEF can flow by random drop part of media, and remaining Media Stream is sent to Calling Side UE.When PCEF discards a part of Media Stream of called Media Stream, Calling Side UE cannot obtain complete called Media Stream, therefore there will be the phenomenon (clipping phenomenon) of voice that can't hear complete called Media Stream; And a part of Media Stream no matter PCEF discards called Media Stream still discards early a part of Media Stream of Media Stream, Calling Side UE all can receive called Media Stream and Media Stream morning simultaneously, therefore there will be and hear the early phenomenon of the voice of Media Stream and the voice of called Media Stream, i.e. audio mixing phenomenon simultaneously.

Summary of the invention

The invention provides a kind of data processing method, PCEF and gateway device, in order to audio mixing phenomenon and the clipping phenomenon of avoiding occurring at Calling Side UE.

The embodiment of the present invention provides a kind of data processing method being applied in strategy and charge execution function PCEF, comprising:

Receive called Media Stream and Media Stream morning that sends to Calling Side subscriber equipment;

Inquire described morning Media Stream and described called Media Stream share bandwidth;

If the priority of described called Media Stream higher than described morning Media Stream priority time, forward called Media Stream and abandon early Media Stream.

The embodiment of the present invention provides a kind of PCEF, it is characterized in that, comprising:

Receiver module, for receiving called Media Stream and Media Stream morning that sends to Calling Side subscriber equipment;

Enquiry module, for inquire about described morning Media Stream and described called Media Stream whether share bandwidth;

Sending module, for inquire described morning of Media Stream and described called Media Stream while sharing bandwidth when described enquiry module, if the priority of described called Media Stream higher than the priority of described morning of Media Stream, forwards described called Media Stream and abandons described morning of Media Stream.

The embodiment of the present invention provides a kind of gateway device, comprising: above-mentioned PCEF.

In the technical scheme that the embodiment of the present invention provides, PCEF inquire receive morning Media Stream and called Media Stream share bandwidth, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, Media Stream morning that the called Media Stream that forwarding priority is high loss priority are low, thus audio mixing phenomenon and the clipping phenomenon in Calling Side UE appearance avoided.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

The flow chart of a kind of data processing method that Fig. 1 provides for the embodiment of the present invention one;

The flow chart of a kind of data processing method that Fig. 2 provides for the embodiment of the present invention two;

The flow chart of a kind of data processing method that Fig. 3 provides for the embodiment of the present invention three;

The flow chart of a kind of data processing method that Fig. 4 provides for the embodiment of the present invention four;

The flow chart of a kind of data processing method that Fig. 5 provides for the embodiment of the present invention five;

The flow chart of a kind of data processing method that Fig. 6 provides for the embodiment of the present invention six;

The flow chart of a kind of data processing method that Fig. 7 provides for the embodiment of the present invention seven;

The flow chart of a kind of data processing method that Fig. 8 provides for the embodiment of the present invention eight;

The flow chart of a kind of data processing method that Fig. 9 provides for the embodiment of the present invention nine;

The structural representation of a kind of PCEF that Figure 10 provides for the embodiment of the present invention ten;

The structural representation of a kind of gateway device that Figure 11 provides for the embodiment of the present invention 13.

Embodiment

For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.

The flow chart of a kind of data processing method that Fig. 1 provides for the embodiment of the present invention one, as shown in Figure 1, the method comprises:

Step 101, reception be Media Stream and called Media Stream early.

Each step in the present embodiment can be carried out by the PCEF in gateway device.In the present embodiment, PCEF receives early Media Stream and called Media Stream simultaneously.

Step 102, inquire this morning Media Stream and this called Media Stream share bandwidth.

In early medium technique, early Media Stream and called Media Stream share bandwidth be morning Media Stream and the dedicated bearing set up of called Media Stream in bandwidth adopt the maximum in the early required bandwidth of Media Stream and the required bandwidth of called Media Stream.Carry out transmitting in calling procedure due to the callee side UE that only has Calling Side UE and this Calling Side UE to call out morning Media Stream and called Media Stream just can share bandwidth, therefore in the present embodiment, when PCEF receives early Media Stream and called Media Stream, need to inquire about this morning Media Stream and this called Media Stream whether share bandwidth, that is to say that whether inquiry this morning of Media Stream and this called Media Stream are the Media Stream and called Media Stream morning that the callee side UE of Calling Side UE and this Calling Side UE calling carries out transmitting in calling procedure.

In the present embodiment, when the multiplexing PCC rule of morning Media Stream and called Media Stream, step 102 is specifically as follows: the multiplexing PCC rule that PCEF inquires with morning, Media Stream and called Media Stream mated.Due to only have shared bandwidth morning Media Stream and called Media Stream just can with same multiplexing PCC rule match, therefore when PCEF inquires Media Stream and called Media Stream mates with this morning multiplexing PCC when regular, show this morning Media Stream with the shared bandwidth of this called Media Stream.

Or, in the present embodiment, when morning, Media Stream and the corresponding PCC separately of called Media Stream difference were regular, step 102 is specifically as follows: PCEF inquires the called media PCC rule of mating with called Media Stream, and inquire correlation rule title from called media PCC rule, according to described correlation rule title, determine that corresponding media PCC morning is regular (, determine morning media PCC rule name be called this correlation rule title), , can draw: described morning media PCC rule match morning Media Stream with described called Media Stream share bandwidth (the correlation rule name comprising due to the called media PCC rule of mate with called Media Stream be called with the shared bandwidth of this called Media Stream morning Media Stream morning media PCC rule title, therefore when determine this correlation rule name be called with morning, Media Stream mate morning media PCC rule title time show this morning Media Stream with the shared bandwidth of this called Media Stream.)。

If the priority of this called Media Stream of step 103, forwards called Media Stream and abandons early Media Stream early during the priority of Media Stream higher than this.

In the present embodiment, when the multiplexing PCC rule of morning Media Stream and called Media Stream, can from multiplexing PCC rule, inquire the priority of this of Media Stream and the priority of this called Media Stream morning, wherein multiplexing PCC rule comprises the early priority of Media Stream and the priority of called Media Stream, and the priority of called Media Stream is set higher than the priority of Media Stream morning.Or, in the present embodiment, when morning, Media Stream and the corresponding PCC separately of called Media Stream difference were regular, can also media PCC rule, inquire from morning the priority of this of Media Stream morning and from called media PCC rule, inquire the priority of this called Media Stream, wherein, early media PCC rule comprises the early priority of Media Stream, and called media PCC rule comprises the priority of called Media Stream, and the priority of called Media Stream is set higher than the priority of Media Stream morning.

In the technical scheme of the present embodiment, inquire receive morning Media Stream and called Media Stream share bandwidth, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, Media Stream morning that the called Media Stream that forwarding priority is high loss priority are low, thus audio mixing phenomenon and the clipping phenomenon in Calling Side UE appearance avoided.

The flow chart of a kind of data processing method that Fig. 2 provides for the embodiment of the present invention two, as shown in Figure 2, the method comprises:

Step 201, strategy and charging rule functions (Policy and Charging Rules Function, hereinafter to be referred as: PCRF) generate multiplexing PCC rule, this multiplexing PCC rule comprises the early priority of Media Stream and the priority of called Media Stream, and the priority of this called Media Stream is higher than the priority of Media Stream morning;

In the present embodiment, multiplexing indication is used to indicate PCRF and generates multiplexing PCC rule.

This step specifically can comprise: PCRF is according to application function (the Application Function receiving, hereinafter to be referred as: media stream service Information generation the one PCC rule morning AF) sending, and the called media stream service information sending according to the AF that receives and multiplexing indication are to a PCC rule processings of modifying, and generate multiplexing PCC regular.Wherein, the called media stream service information that PCRF sends according to the AF that receives and multiplexing indication are modified to process to a PCC rule and are comprised: PCRF arranges the early priority of Media Stream and the priority of called Media Stream according to called media stream service information and multiplexing indication in a PCC rule, and PCRF also the bandwidth in a PCC rule is revised as in media stream service information early morning Media Stream bandwidth and the maximum of the bandwidth of the called Media Stream in called media stream service information.Wherein, the bandwidth in a PCC rule be early in media stream service information morning Media Stream bandwidth.In the present embodiment, PCRF receives after called media business information and multiplexing indication, and the session identification that can comprise according to multiplexing indication inquires a PCC rule, and according to called media business information and multiplexing indication to the PCC rule processing of modifying.

Or this step specifically can comprise: called media stream service Information generation the 2nd PCC rule that PCRF sends according to the AF receiving, and according to the AF that receives, send morning media stream service information and multiplexing indication the 2nd PCC rules modification is processed, generate multiplexing PCC regular.Wherein, media stream service information and multiplexing indication were modified to process to the 2nd PCC rule and were comprised PCRF sends according to the AF that receives morning: PCRF arranges the early priority of Media Stream and the priority of called Media Stream according to morning media stream service information and multiplexing indication in the 2nd PCC rule, and PCRF also the bandwidth in the 2nd PCC rule is revised as in media stream service information early morning Media Stream bandwidth and the maximum of the bandwidth of the called Media Stream in called media stream service information.Wherein, the bandwidth in the 2nd PCC rule is the bandwidth of the called Media Stream in called media stream service information.Wherein, PCRF receives after called media business information and multiplexing indication, and the session identification that can comprise according to multiplexing indication inquires the 2nd PCC rule, and according to called media business information and multiplexing indication to the processing of modifying of the 2nd PCC rule.

In the present embodiment, can be for each Media Stream arranges a priority in multiplexing PCC rule, for the priority of each Media Stream setting can be arranged in the stream information of multiplexing PCC rule, multiplexing PCC rule can comprise:

Wherein, multiplexing PCC rule can comprise the stream information " Flow-Information " of each Media Stream, can comprise the stream information of a plurality of Media Streams in above-mentioned multiplexing PCC rule, and the stream information of only take in the present embodiment is example.Stream information comprises the priority " Gate-Priority " of this Media Stream.In the present embodiment, in multiplexing PCC rule, can comprise at least one the early stream information of Media Stream and stream information of at least one called Media Stream, this, stream information of Media Stream comprised the early priority of Media Stream morning, and the stream information of this called Media Stream comprises the priority of called Media Stream.For example: called Media Stream can comprise at least one called media audio stream and/or at least one called media video stream, early Media Stream can comprise at least one early media audio stream and/or at least one media video stream early.Multiplexing PCC rule can comprise audio-frequency multiplex PCC rule and/or video multiplex PCC rule.Wherein, audio-frequency multiplex PCC rule can comprise stream information and at least one stream information that early media audio flows of at least one called media audio stream, the stream information of called media audio stream comprises the priority of called media audio stream and the priority that early media audio flows, and the priority of called media audio stream is higher than the priority of media audio stream morning.Video multiplex PCC rule can comprise stream information and at least one stream information that early media video flows of at least one called media video stream, the stream information of called media video stream comprises the priority of called media video stream and the priority that early media video flows, and the priority of called media video stream is higher than the priority of media video stream morning.

Or, in the present embodiment, can be for the Media Stream of each type arranges a priority in multiplexing PCC rule, multiplexing PCC rule can comprise:

Wherein, multiplexing PCC rule can comprise the Business Stream information " Service-Flow " of each type of media stream, and the Media Stream of same type is corresponding to same Business Stream information.The priority that Media Stream of same type is corresponding is identical.In the present embodiment, can comprise the Business Stream information " Service-Flow " of the Media Stream of every type in multiplexing PCC rule, the Business Stream information of only take in above-mentioned multiplexing PCC rule is example.This Business Stream information " Service-Flow " comprises the priority " Service-Priority " of the Media Stream of the type.The type of Media Stream can comprise early media and called media, and Media Stream can comprise early Media Stream and called Media Stream.Early the quantity of Media Stream can be at least one, and the quantity of called Media Stream can be at least one.Multiplexing PCC rule can comprise early the Business Stream information of Media Stream and the Business Stream information of called Media Stream, early the Business Stream information of Media Stream can comprise the early priority of Media Stream, the Business Stream information of called Media Stream comprises the priority of called Media Stream, and the priority of called Media Stream is higher than the priority of Media Stream morning.Particularly, media morning in the type of Media Stream can comprise early media audio and/or early media video, and early Media Stream can comprise early media audio stream and/or early media video stream; Called media in the type of Media Stream can comprise called media audio and/or called media video, and called Media Stream can comprise called media audio stream and/or called media video stream.Multiplexing PCC rule comprises audio-frequency multiplex PCC rule and/or video multiplex PCC rule.When multiplexing PCC rule comprises audio-frequency multiplex PCC rule, audio-frequency multiplex PCC rule can comprise early the Business Stream information of media audio stream and the Business Stream information of called media audio stream, early the Business Stream information of media audio comprises the early priority of media audio, the Business Stream information of called media audio comprises the priority of called media audio, and the priority of called media audio is higher than the priority of media audio morning; When multiplexing PCC rule comprises video multiplex PCC rule, video multiplex PCC rule can comprise early the Business Stream information of media video and the Business Stream information of called media video, early the Business Stream information of media video comprises the early priority of media video, the Business Stream information of called media video comprises the priority of called media video, and the priority of called media video is higher than the priority of media video morning.

Step 202, PCRF send to PCEF by multiplexing PCC rule;

Step 203, PCEF receive early Media Stream and called Media Stream;

In the present embodiment, PCEF receives that AF sends morning Media Stream and called Media Stream, for making PCEF can identify early Media Stream and called Media Stream, AF can for morning Media Stream Media Stream identification information is set early and for called Media Stream, called Media Stream identification information is set, to distinguish Media Stream and called Media Stream morning.For example: can be in morning Media Stream morning media audio stream media arrange before capable identification information 1002 and in morning Media Stream morning media video stream media identification information 1001 is set before capable; The media of identification information 1 and the called media video stream in called Media Stream are set before the media of the called media audio stream in called Media Stream are capable and identification information 2 are set before capable.

The multiplexing PCC rule that step 204, PCEF inquire with morning, Media Stream and called Media Stream mated;

In the present embodiment, the callee side UE calling out for different Calling Side UE and this Calling Side UE carries out transmitting in calling procedure morning Media Stream and called Media Stream, PCRF can generate different multiplexing PCC rules, that is to say only have shared bandwidth morning Media Stream and called Media Stream just and same multiplexing PCC rule match, therefore it is regular that, PCEF needs to inquire the multiplexing PCC that Media Stream and called Media Stream mate with this morning after receiving early Media Stream and called Media Stream.When PCEF inquires with this, Media Stream and called Media Stream mated morning multiplexing PCC rule, show this morning of Media Stream and the shared bandwidth of this called Media Stream.

In the present embodiment, step 204 is specially: the five-tuple information inquiry that PCEF comprises according to five-tuple information that morning, Media Stream comprised and called Media Stream goes out this multiplexing PCC rule, and the five-tuple information that the five-tuple information that the five-tuple information that this multiplexing PCC rule comprises is identical with the five-tuple information that this morning, Media Stream comprised and this multiplexing PCC rule comprises and this called Media Stream comprise is identical.

Step 205, PCEF inquire the early priority of Media Stream and the priority of called Media Stream from multiplexing PCC rule;

For the multiplexing PCC rule of a priority is set for each Media Stream in step 201, PCEF can inquire the early priority of Media Stream from the stream information of Media Stream morning, and the priority that inquires called Media Stream from the stream information of called Media Stream.

For the multiplexing PCC rule of a priority is set for the Media Stream of each type in step 201, PCEF can inquire the early priority of Media Stream from the Business Stream information of Media Stream morning, and the priority that inquires called Media Stream from the Business Stream information of called Media Stream.

If the priority of this called Media Stream of step 206 is higher than this priority of Media Stream early, PCEF forwards called Media Stream and abandons early Media Stream.

In the technical scheme of the present embodiment, PCRF generates and provides multiplexing PCC rule to PCEF, when PCEF inquire with receive morning Media Stream and called Media Stream mate multiplexing PCC rule time, from this multiplexing PCC rule, inquire the early priority of Media Stream and the priority of this called Media Stream, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, media data morning that the called media data that PCEF forwarding priority is high loss priority are low, thus audio mixing and the clipping phenomenon in Calling Side UE appearance avoided.

The flow chart of a kind of data processing method that Fig. 3 provides for the embodiment of the present invention three, as shown in Figure 3, the method comprises:

Step 301, PCRF sends according to the AF that receives morning media stream service Information generation early media PCC rule and by morning media PCC rule send to PCEF, and the called media PCC of the called media stream service Information generation sending according to the AF receiving is regular and called media PCC rule is sent to PCEF, this morning, media PCC rule comprised the early priority of Media Stream, this called media PCC rule comprises priority and the correlation rule title of called Media Stream, the priority of this called Media Stream is higher than the priority of Media Stream morning, this correlation rule name is called the early title of media PCC rule.

In the present embodiment, correlation rule name is called the regular title corresponding with called media PCC rule.

This step specifically can comprise: PCRF according to morning media stream service Information generation early media PCC rule and by morning media PCC rule send to PCEF; PCRF is according to the called media PCC rule of called media stream service Information generation and called media PCC rule is sent to PCEF.

Or this step specifically can comprise: PCRF is according to the called media PCC rule of called media stream service Information generation and called media PCC rule is sent to PCEF; PCRF according to morning media stream service Information generation early media PCC rule and by morning media PCC rule send to PCEF.

In the present embodiment, can be in morning media PCC rule for all Media Streams of the same type in Media Stream early a priority is set and in called media PCC rule all Media Streams for the same type in called Media Stream a priority is set; In called media PCC rule, correlation rule title is set, this correlation rule name be called with this called Media Stream share bandwidth morning Media Stream morning media PCC rule title.

Early media PCC rule can comprise:

Above-mentioned morning, media PCC rule can comprise the early priority " Gate-Priority " of Media Stream.For example: early Media Stream can comprise early media audio stream and/or early media video stream, early media PCC rule can comprise early media audio PCC rule and/or early media video PCC rule.Wherein, early media audio PCC rule comprises the early priority of media audio stream; Early media video PCC rule comprises the early priority of media video stream.

Called media PCC rule can comprise:

Above-mentioned called media PCC rule can comprise priority " Gate-Priority " and the correlation rule title of called Media Stream, and wherein correlation rule name is called " Related-Charging-Rule-Name ".For example: called Media Stream can comprise called media audio stream and/or called media video stream, called media PCC rule can comprise called media audio PCC rule and/or called media video PCC rule.Wherein, called media audio PCC rule comprises priority and the audio frequency correlation rule title of called media audio stream, and this audio frequency correlation rule title can be the title of media audio PCC rule morning; Called media video PCC rule comprises priority and the video correlation rule title of called media video stream, and this video correlation rule title can be the title of media video PCC rule morning.Wherein, audio frequency correlation rule name is called the regular title corresponding with called media audio PCC rule, and video correlation rule name is called the regular title corresponding with called media video PCC rule.

Step 302, PCEF receive early Media Stream and called Media Stream;

The description of step 302 can, referring to the step 203 in embodiment bis-, be repeated no more herein.

Step 303, PCEF inquire the called media PCC rule of mating with called Media Stream.

In the present embodiment, step 303 is specially: the five-tuple information inquiry that PCEF comprises according to called Media Stream goes out this called media PCC rule, and the five-tuple information that the five-tuple information that this called media PCC rule comprises comprises with called Media Stream is identical.

Step 304, PCEF inquire correlation rule title from called media PCC rule, according to this correlation rule title, determine corresponding media PCC rule morning, the called Media Stream of called media PCC rule match and the early shared bandwidth of Media Stream morning of media PCC rule match.

In the present embodiment, due to the title of this of media PCC rule, therefore can determine corresponding media PCC rule morning according to this correlation rule title correlation rule name is called with morning, Media Stream mated morning.

In the present embodiment, the correlation rule name comprising due to the called media PCC rule of mating with called Media Stream be called with this called Media Stream share bandwidth morning Media Stream morning media PCC rule title, therefore when determine this correlation rule name be called with morning, Media Stream mate morning media PCC rule title time show this morning Media Stream with the shared bandwidth of this called Media Stream.Wherein, regular with regular media PCC morning for the identical five-tuple information of the five-tuple information having with morning, Media Stream comprised of media PCC morning that morning, Media Stream mated.

Step 305, PCEF inquire the priority of called Media Stream and from morning, media PCC rule, inquire the early priority of Media Stream from called media PCC rule;

If the priority of this called Media Stream of step 306 is higher than this early during the priority of Media Stream, PCEF forwards called Media Stream and abandons early Media Stream.

In the technical scheme of the present embodiment, PCRF generates and provides early media PCC rule and called media PCC rule to PCEF, PCEF inquires the called media PCC rule of mating with the called Media Stream receiving, when PCEF inquires correlation rule title from called media PCC rule, and determine corresponding morning during media PCC rule according to this correlation rule title, from morning, media PCC rule, inquire the priority of Media Stream early and from called media PCC rule, inquire the priority of called Media Stream, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, Media Stream morning that the called Media Stream that forwarding priority is high loss priority are low, thereby the audio mixing and the clipping phenomenon that at Calling Side UE, occur have been avoided.

The flow chart of a kind of data processing method that Fig. 4 provides for the embodiment of the present invention four, as shown in Figure 4, the method comprises:

Step 401, Calling Side UE send " INVITE (SDP_O) " message to AF, should " INVITE (SDP_O) " message comprise SDP parameter;

SDP parameter can comprise Calling Side UE IP address, receive the port numbers of downlink message, the information such as type of service of request.Now, Media Stream state is " inactive ";

Step 402, AF send to callee side by " INVITE (the SDP_O) " message receiving;

Step 403, callee side send " 183 (SDP_A, E) " message to AF;

Should " 183 (SDP_A, E) " message to Calling Side UE, send the response message of " INVITE (SDP_O) " message, wherein, E represents the early session of Media Stream.

Step 404, AF send early media stream service information to PCRF;

In the present embodiment, early Media Stream can comprise early media audio stream, early media stream service information comprises early media audio stream business information, and this morning, media audio stream business information can comprise the early bandwidth of media audio stream, for example: the bandwidth that early media audio flows is 20K.

Step 405, PCRF be according to media stream service Information generation the one PCC rule morning, and a PCC rule is sent to PCEF;

Wherein, due to morning in the present embodiment, Media Stream only comprises that early media audio flows, and the bandwidth that therefore a PCC rule sound intermediate frequency flows is the bandwidth 20K that early media audio flows.

Step 406, AF send to Calling Side UE by " 183 (SDP_A, the E) " message receiving;

Step 407, Calling Side UE send " PRACK (SDP_O, E) " message to AF;

Should " PRACK (SDP_O, E) " message send replying of " 183 (SDP_A, E) " message to callee side.

Step 408, AF send to callee side by " PRACK (SDP_O, the E) " message receiving;

After step 409, callee side are confirmed " PRACK (SDP_O, E) " message, to AF, send " 200OK (SDP_A, E) " message;

Step 410, AF send to Calling Side UE by " 200OK (SDP_A, E) " message;

Be somebody's turn to do " 200OK (SDP_A, E) " message as the confirmation to " PRACK (SDP_O, E) " message.

Step 411, PCEF and UE set up dedicated bearing according to a PCC rule;

In this step, the dedicated bearing of foundation can comprise audio stream dedicated bearing, and the bandwidth of this audio stream dedicated bearing sound intermediate frequency stream is 20K.In setting up the process of dedicated bearing can by transmission stream template (Traffic Flow Template, hereinafter to be referred as: TFT) notice to Calling Side UE.Set up after dedicated bearing, Calling Side UE is that early the reserved resource of Media Stream completes.

Step 412, Calling Side UE send " UPDATE (E) " message to AF;

Should " UPDATE (E) " message be used for notifying AF Calling Side UE for the early reserved resource success of Media Stream.Further, AF can be revised as " senrecv " by " inactive " by Media Stream state, and AF can send to PCRF by Media Stream state " senrecv ", so that PCRF opens gate.

Step 413, AF send to callee side by " UPDATE (the E) " message receiving;

After step 414, callee side are confirmed " UPDATE (the E) " message receiving, to AF, send " 200OK (SDP_A, E) " message;

Be somebody's turn to do " 200OK (SDP_A, E) " message as the confirmation to " UPDATE (E) " message.

Step 415, AF send to Calling Side UE by " 200OK (SDP_A, E) " message;

Step 416, callee side send " 183 (SDP_A, U) " message to AF;

Should " 183 (SDP_A, U) " message be the response message that Calling Side sends " INVITE (SDP_O) " message, wherein, U represents the session of called Media Stream.

Step 417, AF send called media stream service information and multiplexing indication to PCRF;

In the present embodiment, called Media Stream comprises called media audio stream and called media video stream, and called media stream service information comprises called media audio stream business information and called media video stream business information.Wherein, called media audio stream business information can comprise the bandwidth of called media audio stream, and for example the bandwidth of called media audio stream is 15K; Called media video stream business information can comprise the bandwidth of called media video stream, and for example the bandwidth of called media video stream is 60K.

Step 418, PCRF according to called media stream service information and multiplexing indication to the PCC rule processing of modifying, generate multiplexing PCC rule, and this multiplexing PCC rule is sent to PCEF, this multiplexing PCC rule comprises the priority of called Media Stream and the priority of Media Stream morning, and the priority of this called Media Stream is higher than the priority of Media Stream morning;

Particularly, due to morning in the present embodiment, Media Stream only comprises early media audio stream, therefore PCRF can be according to the called media audio stream business information in called media stream service information to the PCC rule processing of modifying, generate multiplexing PCC rule, the multiplexing PCC rule of this generation is audio-frequency multiplex PCC rule, the priority of this called Media Stream is the priority of called media audio stream, this early the priority of Media Stream be the priority of media audio stream early, the priority of this called media audio stream is higher than priority that morning, media audio flowed.The bandwidth of audio-frequency multiplex PCC rule sound intermediate frequency stream is got the maximum in the bandwidth of called media audio stream and the bandwidth of media audio stream morning, so the bandwidth of audio-frequency multiplex PCC rule sound intermediate frequency stream is the bandwidth 20K that early media audio flows.

Further, PCRF also generates the first video PCC rule according to the called media video stream business information in called media stream service information, and this first video PCC rule is sent to PCEF, in this first video PCC rule, the bandwidth of video flowing is the bandwidth 60K of called media video stream.

Step 419, AF send to Calling Side UE by " 183 (SDP_A, the U) " message receiving;

Step 420, Calling Side UE send " PRACK (SDP_O, U) " message to AF;

Should " PRACK (SDP_O, U) " message to callee side, send the confirmation of " 183 (SDP_A, U) " message.

Step 421, AF send to callee side by " PRACK (SDP_O, the U) " message receiving;

After step 422, callee side are confirmed " PRACK (SDP_O, U) " message, to AF, send " 200OK (SDP_A, U) " message;

Step 423, AF send to Calling Side UE by " 200OK (SDP_A, U) " message;

Be somebody's turn to do " 200OK (SDP_A, U) " message as the confirmation to " PRACK (SDP_O, U) " message.

Step 424, PCEF and UE modify to dedicated bearing according to multiplexing PCC rule;

When dedicated bearing comprises audio stream dedicated bearing, PCEF and UE are according to multiplexing PCC rule to audio stream dedicated bearing, and the bandwidth of amended audio stream dedicated bearing sound intermediate frequency stream is 20K.

Further, when PCRF also generates the first video PCC rule according to the called media video stream business information in called media stream service information, PCEF and UE also need to set up video flowing dedicated bearing according to the first video PCC rule, make dedicated bearing also comprise video flowing dedicated bearing, the bandwidth of the video flowing in this video flowing dedicated bearing is 60K.

In revising the process of dedicated bearing, TFT is modified, and amended TFT is notified to Calling Side UE.

Step 425, Calling Side UE send " UPDATE (U) " message to AF;

Should " UPDATE (E) " message be used for notifying AF Calling Side UE for the early reserved resource success of Media Stream and called Media Stream.Further, AF can be revised as " senrecv " by " inactive " by Media Stream state, and AF can send to PCRF by Media Stream state " senrecv ", so that PCRF opens gate.

Step 426, AF send to callee side by " UPDATE (the U) " message receiving;

After step 427, callee side are confirmed " UPDATE (the U) " message receiving, to AF, send " 200OK (SDP_A, U) " message;

Be somebody's turn to do " 200OK (SDP_A, U) " message as the confirmation to " UPDATE (U) " message.

Step 428, AF send to Calling Side UE by " 200OK (SDP_A, U) " message;

Step 429, callee side ring, send " 180Ringing " message to AF;

In this step, callee side UE ring, and send " 180Ringing " message to AF.

Step 430, PCEF receive early Media Stream;

Step 431, PCEF send early Media Stream by dedicated bearing to Calling Side UE;

Step 432, AF send to Calling Side UE by " 180Ringing " message;

In the present embodiment, before step 432 can also be positioned at step 430 or step 431.

Step 433, callee side answer the call, and send called Media Stream and " 200OK (SDP_A, U) " message;

In this step, callee side UE answers the call, and sends called Media Stream and " 200OK (SDP_A, U) " message.

Step 434, PCEF receive early Media Stream and called Media Stream;

Step 435, PCEF inquire and the Media Stream and the called Media Stream multiplexing PCC rule of mating morning receiving, from multiplexing PCC rule, inquire the early priority of Media Stream and the priority of called Media Stream, when the priority of determining this called Media Stream higher than this morning Media Stream priority time, by called forwarding media stream to Calling Side UE and abandon early Media Stream;

Particularly, called Media Stream is transmitted to Calling Side UE by dedicated bearing.

Specific descriptions can be referring to step 204 in embodiment bis-to step 206.

Step 436, AF receive " 200OK (SDP_A, U) " message;

Step 437, AF send called media stream service information to PCRF;

Step 438, PCRF modify to multiplexing PCC rule according to called media stream service information, generate final PCC rule, and this final PCC rule is sent to PCEF;

In the present embodiment, PCRF can modify to multiplexing PCC rule, makes multiplexing PCC rule be applicable to called Media Stream.

In the present embodiment, final PCC rule comprises the final PCC rule of audio frequency, and the bandwidth of the final PCC rule of audio frequency sound intermediate frequency stream is got the bandwidth 15K of called media audio stream.

Further, PCRF can also send to PCEF by the first video PCC rule, and in this first video PCC rule, the bandwidth of video flowing is the bandwidth 60K of called media video stream.

Step 439, AF send to Calling Side UE by " 200OK (SDP_A, the U) " message receiving;

Be somebody's turn to do " 200OK (SDP_A, U) " message as finally replying Calling Side UE.

Step 440, PCEF and UE modify to dedicated bearing according to final PCC rule;

In this step, when dedicated bearing comprises audio stream dedicated bearing, PCEF and UE modify to audio stream dedicated bearing according to final PCC rule, and the bandwidth of amended audio stream dedicated bearing sound intermediate frequency stream is 15K.

Further, when dedicated bearing comprises video flowing dedicated bearing, PCEF and UE also modify to video flowing dedicated bearing according to the first video PCC rule, and in amended video flowing dedicated bearing, the bandwidth of video flowing is 60K.

Step 441, callee side send to PCEF by called Media Stream;

Step 442, PCEF are transmitted to Calling Side UE by called Media Stream by dedicated bearing.

The present embodiment is that data processing method is realized and be applied to the situation of bifurcated (forking) Conversation Model by multiplexing PCC rule, has avoided Calling Side UE and callee side UE by forking Conversation Model, to carry out the audio mixing and the clipping phenomenon that in calling procedure, at Calling Side UE, occur.

The flow chart of a kind of data processing method that Fig. 5 provides for the embodiment of the present invention five, as shown in Figure 5, the method comprises:

Step 501 to step 504 can, referring to the step 401 in embodiment tetra-to step 404, repeat no more herein.

Step 505, PCRF be according to media business Information generation morning media PCC rule early, and by this morning media PCC rule send to PCEF, this morning, media PCC rule comprised the priority of Media Stream morning;

Wherein, due in the present embodiment early Media Stream only comprise early media audio stream, therefore, early media PCC rule comprises early media audio PCC rule, this early the priority of Media Stream be the priority that early media audio flows.Early the bandwidth of media audio PCC rule sound intermediate frequency stream is the bandwidth 20K that early media audio flows.

To in this step morning media PCC rule specific descriptions can be referring to the step 301 in embodiment tri-.

Step 506 to step 510 can to step 410, repeat no more referring to step 406 in embodiment tetra-herein.

Step 511, PCEF and UE according to morning media PCC rule set up dedicated bearing;

In this step, the dedicated bearing of foundation can comprise audio stream dedicated bearing, and the bandwidth of this audio stream dedicated bearing sound intermediate frequency stream is 20K.In setting up the process of dedicated bearing, TFT can be notified to Calling Side UE.Set up after dedicated bearing, Calling Side UE is that early the reserved resource of Media Stream completes.

Step 512 to step 517 can to step 417, repeat no more referring to step 412 in embodiment tetra-herein.

Step 518, PCRF are according to the called media PCC rule of called media stream service Information generation, and this called media PCC rule comprises priority and the correlation rule title of called Media Stream, and this correlation rule name is called the early title of media PCC rule.

Wherein, because called Media Stream in the present embodiment comprises called media audio stream and called media video stream, therefore, called media PCC rule comprises called media audio PCC rule and called media video PCC rule, and the priority of this called Media Stream comprises the priority that is arranged at the priority of the called media audio stream in called media audio PCC rule and is arranged at the called media video stream in called media video PCC rule.The bandwidth of called media audio PCC rule sound intermediate frequency stream is the bandwidth 15K of called media audio stream, and in called media video PCC rule, the bandwidth of video flowing is the bandwidth 60K of called media video stream.

Specific descriptions to the called media PCC rule in this step can be referring to the step 301 in embodiment tri-.

Step 519 to step 523 can to step 423, repeat no more referring to step 419 in embodiment tetra-herein.

Step 524, PCEF and UE modify to dedicated bearing according to called media PCC rule;

When dedicated bearing comprises audio stream dedicated bearing, PCEF and UE can modify to audio stream dedicated bearing according to called media audio PCC rule, and after revising, the bandwidth of audio stream dedicated bearing sound intermediate frequency stream is 15K.

Further, when called media PCC rule comprises called media video PCC rule, PCEF and UE can set up video flowing dedicated bearing according to called media video PCC rule, make dedicated bearing also comprise video flowing dedicated bearing, and in this video flowing dedicated bearing, the bandwidth of video flowing is 60K.

Step 525 to step 534 can to step 434, repeat no more referring to step 425 in embodiment tetra-herein.

Step 535, PCEF inquires the called media PCC rule of mating with called Media Stream, from called media PCC rule, inquire correlation rule title, according to this correlation rule title, determine corresponding media PCC rule morning, the called Media Stream of called media PCC rule match and the early shared bandwidth of Media Stream morning of media PCC rule match, from called media PCC rule, inquire the priority of called Media Stream and from morning, media PCC rule, inquire the early priority of Media Stream, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, forward called Media Stream and abandon early Media Stream.

Particularly, PCEF is transmitted to Calling Side UE by called Media Stream by dedicated bearing.

Specific descriptions can be referring to step 303 in embodiment tri-to step 306.

Step 536 to step 537 can to step 437, repeat no more referring to step 436 in embodiment tetra-herein.

Step 538, PCRF modify to called media PCC rule according to called media stream service information, generate final PCC rule, and this final PCC rule is sent to PCEF;

In the present embodiment, final PCC rule comprises the final PCC rule of audio frequency and the final PCC rule of video, the bandwidth of the final PCC rule of audio frequency sound intermediate frequency stream is got the bandwidth 15K of called media audio stream, and in the final PCC rule of video, the bandwidth of video flowing is the bandwidth 60K of called media video stream.

Step 539, AF send to Calling Side UE by " 200OK (SDP_A, the U) " message receiving;

Step 540, PCEF and UE modify to dedicated bearing according to final PCC rule;

In this step, when dedicated bearing comprises audio stream dedicated bearing, PCEF and UE modify to audio stream dedicated bearing according to the final PCC rule of audio frequency, and the bandwidth of amended audio stream dedicated bearing sound intermediate frequency stream is 15K.

When dedicated bearing comprises video flowing dedicated bearing, according to the final PCC rule of video, video flowing dedicated bearing to be modified, the bandwidth of amended video flowing dedicated bearing sound intermediate frequency stream is 60K.

Step 541, callee side send to PCEF by called Media Stream;

Step 542, PCEF are transmitted to Calling Side UE by called Media Stream by dedicated bearing.

The present embodiment is that data processing method is realized and be applied to the situation of forking Conversation Model by the regular and called media PCC rule of media PCC morning, has avoided Calling Side UE and callee side UE by forking Conversation Model, to carry out the audio mixing and the clipping phenomenon that in calling procedure, at Calling Side UE, occur.

The flow chart of a kind of data processing method that Fig. 6 provides for the embodiment of the present invention six, as shown in Figure 6, the method comprises:

Step 601, Calling Side UE send " INVITE (SDP_O1) " message to AF, should " INVITE (SDP_O1) " message comprise SDP parameter;

Step 602, AF send to callee side by " INVITE (the SDP_O1) " message receiving;

Step 603, callee side send " 183 (SDP_A1, early SDP_O1) " message to AF;

Wherein, SDP_A1 is that early SDP_O1 is the request to Media Stream morning to the replying of called Media Stream.

Step 604, AF send called media stream service information to PCRF;

Step 605, AF send to Calling Side UE by " 183 (SDP_A1, early the SDP_O1) " message receiving;

Step 606, PCRF be according to called media stream service Information generation the 2nd PCC rule, and the 2nd PCC rule is sent to PCEF;

In the present embodiment, because called media stream service information comprises called media audio stream business information and called media video stream business information, therefore the 2nd PCC rule generating comprises the second audio frequency PCC rule and the second video PCC rule, the bandwidth of the second audio frequency PCC rule sound intermediate frequency stream is the bandwidth 20K of called media audio stream, and in the second video PCC rule, the bandwidth of video flowing is the bandwidth 60K of called media video stream.

Step 607, PCEF and UE set up dedicated bearing according to the 2nd PCC rule;

In this step, the dedicated bearing of foundation comprises audio stream dedicated bearing and video flowing dedicated bearing.The bandwidth of this audio stream dedicated bearing sound intermediate frequency stream is 20K, and in this video flowing dedicated bearing, the bandwidth of video flowing is 60K.In setting up the process of dedicated bearing, TFT is notified to Calling Side UE.Set up after dedicated bearing, Calling Side UE is that the reserved resource of called Media Stream completes.

Step 608, Calling Side UE send " PRACK (early SDP_A1) " message to AF;

Should " PRACK (early SDP_A1) " message send replying of " 183 (SDP_A1, early SDP_O1) " message to callee side.

Step 609, AF send to callee side by " PRACK (early the SDP_A1) " message receiving;

Step 610, AF send early media stream service information and multiplexing indication to PCRF;

In the present embodiment, early Media Stream comprises early media audio stream, and early media stream service information comprises early media audio stream business information.Wherein, early media audio stream business information can comprise the early bandwidth of media audio stream, and for example early the bandwidth of media audio stream can be 20K.

Step 611, PCRF according to morning media stream service information and multiplexing indication to the processing of modifying of the 2nd PCC rule, generate multiplexing PCC rule, and this multiplexing PCC rule is sent to PCEF, this multiplexing PCC rule comprises the priority of called Media Stream and the priority of Media Stream morning, and the priority of this called Media Stream is higher than the priority of Media Stream morning;

Particularly, due to morning in the present embodiment, Media Stream only comprises early media audio stream, therefore PCRF can modify and generate multiplexing PCC rule the second audio frequency PCC rule in the 2nd PCC rule according to media audio stream morning, this multiplexing PCC rule is audio-frequency multiplex PCC rule, the priority of this called Media Stream is the priority of called media audio stream, this early the priority of Media Stream be the priority of media audio stream early, the priority of this called media audio stream is higher than priority that morning, media audio flowed.The bandwidth of audio-frequency multiplex PCC rule sound intermediate frequency stream is got the maximum in the bandwidth of called media audio stream and the bandwidth of media audio stream morning, so the bandwidth of audio-frequency multiplex PCC rule sound intermediate frequency stream is the bandwidth 20K that early media audio flows.

After step 612, callee side are confirmed " PRACK (early the SDP_A1) " message receiving, to AF, send " 200OK " message;

Be somebody's turn to do " 200OK " message as the confirmation to " PRACK (early SDP_A1) " message.

Step 613, AF send " 200OK " message to Calling Side UE;

Step 614, PCEF and UE modify to dedicated bearing according to multiplexing PCC rule;

When dedicated bearing comprises audio stream dedicated bearing, PCEF and UE modify to audio stream dedicated bearing according to multiplexing PCC rule, and the bandwidth of amended audio stream dedicated bearing sound intermediate frequency stream is 20K.

Step 615, Calling Side UE send " UPDATE " message to AF;

Should " UPDATE " message be used for notifying AF Calling Side UE for the early reserved resource success of Media Stream and called Media Stream.Further, AF can be revised as " senrecv " by " inactive " by Media Stream state, and AF can send to PCRF by Media Stream state " senrecv ", so that PCRF opens gate.

Step 616, AF send to callee side by " UPDATE " message receiving;

After step 617, callee side are confirmed " UPDATE " message receiving, to AF, send " 200OK " message;

Be somebody's turn to do " 200OK " message as the confirmation to " UPDATE " message.

Step 618, AF send to Calling Side UE by " 200OK " message;

Step 619, callee side ring, send " 180Ringing " message to AF;

In this step, callee side UE ring, and send " 180Ringing " message to AF.

Step 620, PCEF receive early Media Stream;

Step 621, PCEF send early Media Stream by dedicated bearing to Calling Side UE;

Step 622, AF send to Calling Side UE by " 180Ringing " message;

In the present embodiment, before step 622 can also be positioned at step 620 or step 621.

Step 623, callee side answer the call, and send called Media Stream and " 200OK " message;

Step 624, PCEF receive early Media Stream and called Media Stream;

Step 625, PCEF inquire and the Media Stream and the called Media Stream multiplexing PCC rule of mating morning receiving, from multiplexing PCC rule, inquire the early priority of Media Stream and the priority of called Media Stream, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, by called forwarding media stream to Calling Side UE and abandon early Media Stream;

Step 626, AF receive " 200OK " message;

Step 627, AF send called media stream service information to PCRF;

Step 628, PCRF modify to multiplexing PCC rule according to called media stream service information, generate final PCC rule, and this final PCC rule is sent to PCEF;

Further, PCRF can also send to PCEF by the second video PCC rule, and in this second video PCC rule, the bandwidth of video flowing is the bandwidth 60K of called media video stream.

Step 629, AF send to Calling Side UE by " 200OK " message receiving;

Be somebody's turn to do " 200OK " message as finally replying Calling Side UE.

Step 630, PCEF and UE modify to dedicated bearing according to final PCC rule;

Further, when dedicated bearing comprises video flowing dedicated bearing, PCEF and UE also modify to video flowing dedicated bearing according to the second video PCC rule, and in amended video flowing dedicated bearing, the bandwidth of video flowing is 60K.

Step 631, callee side send to PCEF by called Media Stream;

Step 632, PCEF are transmitted to Calling Side UE by called Media Stream by dedicated bearing.

To be data processing method realized and be applied to the early situation of media session model by multiplexing PCC rule the present embodiment, avoided Calling Side UE and callee side UE by morning media session model carry out in calling procedure audio mixing and the clipping phenomenon in Calling Side UE appearance.

The flow chart of a kind of data processing method that Fig. 7 provides for the embodiment of the present invention seven, as shown in Figure 7, the method comprises:

Step 701 to step 705 can, referring to the step 601 in embodiment six to step 605, repeat no more herein.

Step 706, PCRF are according to the called media PCC rule of called media business Information generation, and this called media PCC rule is sent to PCEF, this called media PCC rule comprises priority and the correlation rule title of called Media Stream, and this correlation rule name is called the early title of media PCC rule;

Wherein, because called Media Stream in the present embodiment comprises called media audio stream and called media video stream, therefore, called media PCC rule comprises called media audio PCC rule and called media video PCC rule.The bandwidth of called media audio PCC rule sound intermediate frequency stream is the bandwidth 15K of called media audio stream, and in called media video PCC rule, the bandwidth of video flowing is the bandwidth 60K of called media video stream.

Step 707, PCEF and UE set up dedicated bearing according to called media PCC rule;

In this step, the dedicated bearing of foundation comprises audio stream dedicated bearing and video flowing dedicated bearing.The bandwidth of this audio stream dedicated bearing sound intermediate frequency stream is 15K, and in this video flowing dedicated bearing, the bandwidth of video flowing is 60K.In setting up the process of dedicated bearing, TFT is notified to Calling Side UE.Set up after dedicated bearing, Calling Side UE is that early the reserved resource of Media Stream completes.

Step 708 to step 709 can, referring to the step 608 in embodiment six to step 609, repeat no more herein.

Step 710, AF send early media stream service information to PCRF;

Step 711, PCRF be according to media stream service Information generation morning media PCC rule early, and by this morning media PCC rule send to PCEF, this morning, media PCC rule comprised the priority of Media Stream morning, the priority of this called Media Stream is higher than the priority of Media Stream morning;

Wherein, due to morning in the present embodiment, Media Stream only comprises early media audio stream, and therefore, morning, media PCC rule can be media audio PCC rule morning, and morning, the bandwidth of media audio PCC rule sound intermediate frequency stream was the bandwidth 20K of media audio stream morning.

Step 712 to step 713 can, referring to the step 612 in embodiment six to step 613, repeat no more herein.

Step 714, PCEF according to morning media PCC rule dedicated bearing is modified;

When dedicated bearing comprises audio stream dedicated bearing, PCEF according to this morning media PCC rule dedicated bearing is modified, the bandwidth of amended audio stream dedicated bearing sound intermediate frequency stream is 20K.

Step 715 to step 724 can, referring to the step 615 in embodiment six to step 624, repeat no more herein.

Step 725, PCEF inquires the called media PCC rule of mating with called Media Stream, from called media PCC rule, inquire correlation rule title, according to this correlation rule title, determine corresponding media PCC rule morning, the called Media Stream of called media PCC rule match and the early shared bandwidth of Media Stream morning of media PCC rule match, from called media PCC rule, inquire the priority of called Media Stream and from morning, media PCC rule, inquire the early priority of Media Stream, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, forward called Media Stream and abandon early Media Stream.

Specific descriptions can be referring to step 304 in embodiment tri-to step 306.

Step 726 to step 727 can, referring to the step 626 in embodiment six to step 627, repeat no more herein.

Step 728, PCRF modify to multiplexing PCC rule according to called media stream service information, generate final PCC rule, and this final PCC rule is sent to PCEF;

Step 729, AF send to Calling Side UE by " 200OK " message receiving;

Be somebody's turn to do " 200OK " message as finally replying Calling Side UE.

Step 730, PCEF and UE modify to dedicated bearing according to final PCC rule;

Step 731, callee side send to PCEF by called Media Stream;

Step 732, PCEF are transmitted to Calling Side UE by called Media Stream by dedicated bearing.

The present embodiment be data processing method by morning media PCC rule and called media PCC rule realizes and is applied to the situation of media session model morning, avoided Calling Side UE and callee side UE by morning media session model carry out in calling procedure audio mixing and the clipping phenomenon in Calling Side UE appearance.

The flow chart of a kind of data processing method that Fig. 8 provides for the embodiment of the present invention eight, as shown in Figure 8, the method comprises:

Step 801 to step 804 can to step 504, repeat no more referring to step 501 in embodiment five herein.

Step 805, AF send to Calling Side UE by " 183 (SDP_A, the E) " message receiving;

Step 806, Calling Side UE send carrying to PCEF and set up request;

This carrying request of setting up is used for triggering PCC rule request message.

Step 807, PCEF generate PCC rule request message according to this carrying request of setting up, and PCC rule request message are sent to PCRF;

Step 808 can, referring to the step 505 in embodiment five, repeat no more herein.

Step 809, PCEF according to morning media PCC rule set up dedicated bearing, and to Calling Side UE, send carrying and set up and reply;

Step 810 to step 819 can, referring to the step 506 in embodiment five to step 510 and step 512 to step 517, repeat no more herein.

Step 820, AF send to Calling Side UE by " 183 (SDP_A, the U) " message receiving;

Step 821, Calling Side UE send bearing modification request to PCEF;

This dedicated bearing is revised request and is used for triggering PCC rule request message.

Step 822, PCEF generate PCC rule request message according to this bearing modification request, and PCC rule request message are sent to PCRF;

Step 823 can, referring to the step 518 in embodiment five, repeat no more herein.

Step 824, PCEF modify to dedicated bearing according to called media PCC rule, and to Calling Side UE, return to bearing modification and reply;

Step 825 to step 841 can, referring to the step 520 in embodiment five to step 523 and step 525 to step 537, repeat no more herein.

Step 842, AF send to Calling Side UE by " 200OK (SDP_A, the U) " message receiving;

Step 843, Calling Side UE send bearing modification request to PCEF;

Step 844, PCEF generate PCC rule request message according to this bearing modification request, and PCC rule request message are sent to PCRF;

Step 845 can, referring to the step 538 in embodiment five, repeat no more herein.

Step 846, PCEF modify to dedicated bearing according to final PCC rule, and to Calling Side UE, return to bearing modification and reply;

Step 847 to step 848 can, referring to the step 541 in embodiment five to step 542, repeat no more herein.

The present embodiment is that from embodiment five differences the process of setting up dedicated bearing and revising dedicated bearing is different, and the present embodiment has avoided Calling Side UE and callee side UE by forking Conversation Model, to carry out the audio mixing and the clipping phenomenon that in calling procedure, at Calling Side UE, occur.

The flow chart of a kind of data processing method that Fig. 9 provides for the embodiment of the present invention nine, as shown in Figure 9, the method comprises:

Step 901 to step 903 can, referring to the step 601 in embodiment six to step 603, repeat no more herein.

Step 904, AF send called media stream service information to H-PCRF;

In the present embodiment, PCRF comprise ownership strategy and charging rule functions (Home Policy and Charging Rules Function, hereinafter to be referred as: H-PCRF) and visit strategy and charging rule functions (Visited Policy and Charging Rules Function hereinafter to be referred as: V-PCRF).Can be referring to embodiment six to the description of called media stream service information.

Step 905, AF send to Calling Side UE by " 183 (SDP_A1, early the SDP_O1) " message receiving;

Step 906, H-PCRF be according to called media stream service Information generation the 2nd PCC rule, and the 2nd PCC rule is sent to PCEF;

Specific descriptions can be referring to the step 606 in embodiment six.

Step 907, H-PCRF generate service quality according to the 2nd PCC rule, and (Quality of Service, hereinafter to be referred as QoS) rule, and is handed down to BBERF by this QoS rule by V-PCRF;

Particularly, H-PCRF issues QoS rule by S9 interface to V-PCRF, and V-PCRF issues QoS rule to BBERF.

Step 908, BBERF and UE set up dedicated bearing according to QoS rule;

The dedicated bearing of setting up in this step is supported called Media Stream.The dedicated bearing of setting up comprises audio stream dedicated bearing and video flowing dedicated bearing.The bandwidth of this audio stream dedicated bearing sound intermediate frequency stream is 20K, and in this video flowing dedicated bearing, the bandwidth of video flowing is 60K.

Step 909, Calling Side UE send " PRACK (early SDP_A1) " message to AF;

Step 910, AF send to callee side by " PRACK (early the SDP_A1) " message receiving;

Step 911, AF send early media stream service information and multiplexing indication to H-PCRF;

Specific descriptions can be referring to the step 610 in embodiment six.

Step 912, H-PCRF according to morning media stream service information and multiplexing indication to the processing of modifying of the 2nd PCC rule, generate multiplexing PCC rule, and this multiplexing PCC rule is sent to PCEF, this multiplexing PCC rule comprises the priority of called Media Stream and the priority of Media Stream morning, and the priority of this called Media Stream is higher than the priority of Media Stream morning;

Specific descriptions can be referring to the step 611 in embodiment six.

Step 913, H-PCRF modify to QoS rule according to multiplexing PCC rule, and by QoS rule by V-PCRF be handed down to bearing binding and event reporting function (Bearing Binding and Event Report Function, hereinafter to be referred as: BBERF);

Step 914, BBERF and UE modify to dedicated bearing according to QoS rule;

The dedicated bearing of setting up in this step is supported called Media Stream and Media Stream morning.The bandwidth of the audio stream dedicated bearing sound intermediate frequency stream in this step in amended dedicated bearing is 20K.

After step 915, callee side are confirmed " PRACK (early the SDP_A1) " message receiving, to AF, send " 200OK " message;

Step 916, AF send " 200OK " message to Calling Side UE;

Step 917 to step 922 can be referring to the step 615 in embodiment six to step 620.

Step 923, PCEF by morning Media Stream send to BBERF;

Step 924, BBERF send early Media Stream by dedicated bearing to Calling Side UE;

Step 925, AF send to Calling Side UE by " 180Ringing " message;

Step 926, callee side answer the call, and send called Media Stream and " 200OK " message;

Step 927, PCEF receive early Media Stream and called Media Stream;

Step 928, PCEF inquire and the Media Stream and the called Media Stream multiplexing PCC rule of mating morning receiving, from multiplexing PCC rule, inquire the early priority of Media Stream and the priority of called Media Stream, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, by called forwarding media stream to Calling Side UE and abandon early Media Stream;

Step 929, AF receive " 200OK " message;

Step 930, AF send called media stream service information to H-PCRF;

Step 931, H-PCRF modify to multiplexing PCC rule according to called media stream service information, generate final PCC rule, and this final PCC rule is sent to PCEF;

In the present embodiment, H-PCRF can modify to multiplexing PCC rule, makes multiplexing PCC rule be applicable to called Media Stream.

Further, H-PCRF can also send to PCEF by the second video PCC rule, and in this second video PCC rule, the bandwidth of video flowing is the bandwidth 60K of called media video stream.

Step 932, AF send to Calling Side UE by " 200OK " message receiving;

Be somebody's turn to do " 200OK " message as finally replying Calling Side UE.

Step 933, H-PCRF modify to QoS rule according to final PCC rule, and QoS rule are handed down to BBERF by V-PCRF;

Further, in this step, H-PCRF also modifies to QoS rule according to the second video PCC rule.

Step 934, BBERF and UE modify to dedicated bearing according to QoS rule;

In this step, the bandwidth of the audio stream dedicated bearing sound intermediate frequency stream in amended dedicated bearing is 15K.Further, when amended dedicated bearing comprises in video flowing dedicated bearing, in this video flowing dedicated bearing, the bandwidth of video flowing is 60K.

Step 935, callee side send to PCEF by called Media Stream;

Step 936, PCEF send to BBERF by called Media Stream;

Step 937, BBERF send called Media Stream by dedicated bearing to Calling Side UE.

The present embodiment is the situation that data processing method is applied to roaming scence, has avoided Calling Side UE and callee side UE to carry out the audio mixing and the clipping phenomenon that when roaming occurs for Calling Side UE in calling procedure, at Calling Side UE, occur.

The structural representation of a kind of PCEF that Figure 10 provides for the embodiment of the present invention ten, as shown in figure 10, this PCEF comprises: receiver module 11, enquiry module 12 and sending module 13.

Receiver module 11 receives early Media Stream and called Media Stream.Enquiry module 12 inquiries are Media Stream and the whether shared bandwidth of called Media Stream early.Sending module 13 is when enquiry module 12 inquires that early Media Stream and called Media Stream are shared bandwidth, if the priority of called Media Stream higher than the priority of Media Stream morning, forwards called Media Stream and abandons early Media Stream.

The PCEF of the present embodiment is when judging the Media Stream and called Media Stream while sharing bandwidth morning receiving, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, Media Stream morning that the called Media Stream that forwarding priority is high loss priority are low, thus audio mixing phenomenon and the clipping phenomenon in Calling Side UE appearance avoided.

The embodiment of the present invention 11 provides a kind of PCEF, the present embodiment is on the basis of above-described embodiment ten, receiver module 11 can also receive the multiplexing PCC rule that PCRF sends, this multiplexing PCC rule comprises the early priority of Media Stream and the priority of called Media Stream, and the priority of this called Media Stream is higher than this priority of Media Stream early.The multiplexing PCC rule that enquiry module 12 inquires with morning, Media Stream and called Media Stream mated.Sending module 13 is when the multiplexing PCC that enquiry module 12 inquires with morning, Media Stream and called Media Stream mated is regular, if the priority of called Media Stream higher than the priority of Media Stream morning, forwards called Media Stream and abandons early Media Stream.

The PCEF of the present embodiment when inquire and receive morning Media Stream and called Media Stream mate multiplexing PCC rule time, from this multiplexing PCC rule, inquire the early priority of Media Stream and the priority of this called Media Stream, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, media data morning that the called media data that forwarding priority is high loss priority are low, thus audio mixing and the clipping phenomenon in Calling Side UE appearance avoided.

The embodiment of the present invention 12 provides a kind of PCEF, the present embodiment is on the basis of above-described embodiment ten, receiver module 11 can also receive the regular and called media PCC rule of media PCC morning that PCRF sends, this morning, media PCC rule comprised the early priority of Media Stream, and this called media PCC rule comprises priority and the correlation rule title of called Media Stream.Enquiry module 12 inquires the described called media PCC rule of mating with called Media Stream, and inquire correlation rule title from called media PCC rule, according to described correlation rule title, determine corresponding morning of media PCC rule, the shared bandwidth of Media Stream morning of the called Media Stream of described called media PCC rule match and described morning of media PCC rule match.

The PCEF of the present embodiment inquires the called media PCC rule of mating with the called Media Stream receiving, and while inquiring with correlation rule title from called media PCC rule, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, Media Stream morning that the called Media Stream that forwarding priority is high loss priority are low, thus audio mixing and the clipping phenomenon in Calling Side UE appearance avoided.

The structural representation of a kind of gateway device that Figure 11 provides for the embodiment of the present invention 13, as shown in figure 11, this gateway device comprises PCEF1.

Particularly, PCEF1 can adopt the PCEF in embodiment ten, embodiment 11 or embodiment 12, repeats no more herein.

The gateway device of the present embodiment inquire receive morning Media Stream and called Media Stream share bandwidth, if the priority of this called Media Stream is higher than this early during the priority of Media Stream, Media Stream morning that the called Media Stream that forwarding priority is high loss priority are low, thus audio mixing phenomenon and the clipping phenomenon in Calling Side UE appearance avoided.

One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.

Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims

1. be applied to the data processing method in strategy and charge execution function PCEF, it is characterized in that, comprising:

If the priority of described called Media Stream higher than described morning Media Stream priority time, forward called Media Stream and abandon early Media Stream;

Wherein, described in, inquire described morning Media Stream and described called Media Stream share bandwidth and comprise:

When the multiplexing PCC rule of described morning Media Stream and described called Media Stream, inquire and multiplexing PCC rule that morning, Media Stream and called Media Stream mates, described morning Media Stream and the shared bandwidth of described called Media Stream; Or,

When described morning Media Stream and described called Media Stream respectively during corresponding PCC rule separately, inquire described called media PCC mate with described called Media Stream regular; From described called media PCC rule, inquire correlation rule title, according to described correlation rule title, determine corresponding morning of media PCC rule, the shared bandwidth of Media Stream morning of the called Media Stream of described called media PCC rule match and described morning of media PCC rule match.

2. method according to claim 1, is characterized in that, before described reception Media Stream morning and called Media Stream, comprises:

Receive the multiplexing PCC rule that policy control and charging rule functions PCRF send, described multiplexing PCC rule comprises the priority of described morning of Media Stream and the priority of described called Media Stream.

3. method according to claim 2, is characterized in that, before the multiplexing PCC rule that described reception PCRF sends, comprises:

Media stream service Information generation the one PCC rule morning that PCRF sends according to the application function AF receiving, the called media stream service information that PCRF sends according to the AF that receives and multiplexing indication, to processings of modifying of a described PCC rule, generate described multiplexing PCC regular; Or

Called media stream service Information generation the 2nd PCC rule that PCRF sends according to AF, PCRF sends according to AF morning media stream service information and multiplexing indication, to processings of modifying of described the 2nd PCC rule, generates described multiplexing PCC regular.

4. method according to claim 1, is characterized in that, before described reception Media Stream morning and called Media Stream, comprises:

Receive that PCRF sends morning media PCC rule and called media PCC regular, described morning, media PCC rule comprised the priority of described morning of Media Stream, described called media PCC rule comprises priority and the correlation rule title of described called Media Stream.

5. method according to claim 4, is characterized in that, described reception PCRF sends morning, media PCC rule and called media PCC rule comprised before:

Called media PCC rule described in the called media stream service Information generation that PCRF sends according to the AF that receives, and the morning sending according to the AF receiving media PCC rule early described in media stream service Information generation.

6. strategy and a charge execution function PCEF device, is characterized in that, comprising:

Sending module, for inquire described morning of Media Stream and described called Media Stream while sharing bandwidth when described enquiry module, if the priority of described called Media Stream higher than the priority of described morning of Media Stream, forwards described called Media Stream and abandons described morning of Media Stream;

Wherein, described enquiry module specifically for:

7. PCEF device according to claim 6, is characterized in that,

The multiplexing PCC rule that described receiver module also sends for receiving policy control and charging rule functions PCRF, described multiplexing PCC rule comprises the priority of described morning of Media Stream and the priority of described called Media Stream;

Described sending module is for inquiring Media Stream and described called Media Stream mate with described morning multiplexing PCC when regular when described enquiry module, if the priority of described called Media Stream higher than the priority of described morning of Media Stream, forwards described called Media Stream and abandons described morning of Media Stream.

8. PCEF device according to claim 7, is characterized in that,

Regular and the called media PCC rule of media PCC morning that described receiver module also sends for receiving PCRF, described morning, media PCC rule comprised the priority of described morning of Media Stream, and described called media PCC rule comprises priority and the correlation rule title of described called Media Stream.

9. a gateway device, is characterized in that, comprising:

Claim 6 to 8 arbitrary described strategy and charge execution function PCEF device.