CN1889782A - Voice private calling service establishing method - Google Patents
Voice private calling service establishing method Download PDFInfo
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- CN1889782A CN1889782A CNA2006101035198A CN200610103519A CN1889782A CN 1889782 A CN1889782 A CN 1889782A CN A2006101035198 A CNA2006101035198 A CN A2006101035198A CN 200610103519 A CN200610103519 A CN 200610103519A CN 1889782 A CN1889782 A CN 1889782A
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Abstract
A method for setting voice privacy call service includes sending call setting-up request message containing mark of privacy call service to MSC by calling terminal, confirming that this time of service is privacy call service by MSC according to mark carried in said message, setting up privacy call connection between calling terminal and called terminal if it is confirmed that status of calling user is legal and calling as well as called parties are both contracted on privacy call service.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of method for building up of voice private calling service.
Background technology
VPCS (Voice Private Call Service, voice private calling service) is a kind of call business type in the trunked communication system, be between two users single-point to the half-duplex operation of single-point.
In present 3GPP (third generation partner program) agreement, the definition of call signaling " being set up " immediately (IMMEDIATE SETUP), " setting up 2 immediately " (IMMEDIATE SETUP2) and " connection management service request " (CM SERVICE REQUEST) sees Table 1 to table 3.
The definition of table 1 IMMEDIATE SETUP message
| IEI | Cell (Information element) | Type (Type) | Present | Form | Length |
| Protocol-identifier (protocol discriminator) | Protocol-identifier (protocol discriminator) | M | V | 1/2 | |
| Transaction Identifier (transaction identifier) | Transaction Identifier (transaction identifier) | M | V | 1/2 | |
| Type of message (message type) | Type of message (message type) | M | V | 1 | |
| Speaker's priority (Talker priority requested) of request | Speaker's priority (Talker priority) | M | V | 1/2 | |
| Ciphering Key Sequence Number (Ciphering key sequence number) | Ciphering Key Sequence Number (Ciphering key sequence number) | M | V | 1/2 | |
| Mobile station capability (Mobile station classmark) | Mobile station capability 2 (Mobile station classmark 2) | M | LV | 4 | |
| Mobile logo (Mobile identity) | Mobile logo (Mobile identity) | M | LV | 2-9 | |
| Group id (Group identity) | Call reference (Call reference) | M | V | 4 |
The definition of table 2 IMMEDIATE SETUP2 message
| IEI | Cell (Information element) | Type (Type) | Present | Form | Length |
| Protocol-identifier (protocol discriminator) | Protocol-identifier (protocol discriminator) | M | V | 1/2 | |
| Transaction Identifier (transaction identifier) | Transaction Identifier (transaction identifier) | M | V | 1/2 |
| Type of message (message type) | Type of message (message type) | M | V | 1 | |
| Speaker's priority (Talker priority requested) of request | Speaker's priority (Talker priority) | M | V | 1/2 | |
| Ciphering Key Sequence Number (Ciphering key sequence number) | Ciphering Key Sequence Number (Ciphering key sequence number) | M | V | 1/2 | |
| Mobile station capability (Mobile station classmark) | Mobile station capability 2 (Mobile station classmark 2) | M | LV | 4 | |
| Temporarily moved subscriber identification number (TMSI) | Temporarily moved subscriber identification number/former temporarily moved subscriber identification number (TMSI/P-TMSI) | M | V | 2-9 | |
| Group id (Group identity) | Call reference (Call reference) | M | V | 4 | |
| The promoter of compression is to dispatching desk information (Compressed otdi) | The promoter of compression is to dispatching desk information (Compressed otdi) | M | V | 5 |
The definition of table 3 CM SERVICE REQUEST message
| IEI | Cell (Information element) | Type (Type) | Present | Form | Length |
| Mobility management protocol sign (Mobility management protocol discriminator) | Protocol-identifier (protocol discriminator) | M | V | 1/2 | |
| Skip indication (Skip Indicator) | Skip indication (Skip Indicator) | M | V | 1/2 | |
| Connection management business request information type (CM Service Request message type) | Type of message (message type) | M | V | 1 | |
| Connection management type of service (CM Service type) | Connection management type of service (CM Service type) | M | V | 1/2 | |
| Ciphering Key Sequence Number (Ciphering key sequence number) | Ciphering Key Sequence Number (Ciphering key sequence number) | M | V | 1/2 | |
| Mobile station capability (Mobile station classmark) | Mobile station capability 2 (Mobile station classmark 2) | M | LV | 4 | |
| Mobile logo (Mobile identity) | Mobile logo (Mobile identity) | M | LV | 2-9 | |
| Priority (Priority) | Priority (Priority Level) | O | TV | 1 |
Wherein, the definition of protocoldiscriminator sees Table 4 in IMMEDIATE SETUP and the IMMEDIATE SETUP2 message, and the definition of CM Service type sees Table 5 among the CM SERVICE REQUEST.
The definition of table 4 protoeol discriminator
| Bits 4 3 2 1 | |
| 0 0 0 0 | Group calling control (group call contro1) |
| 0 0 0 1 | Broadcast ﹠ call controls (broadcast call control) |
| 0 0 1 0 | Keep, agreement front version is assigned with (Reserved:was allocated in earlier phases of the protocol) |
| 0 0 1 1 | Call out control; The supplementary service message of associated call (call control; Call related SS messages) |
| 0 1 0 0 | GPRS clear transport protocol (GPRS Transparent Transport Protocol (GTTP)) |
| 0 1 0 1 | Mobile management message (mobility management messages) |
| 0 1 1 0 | Radio resource management messages (radio resources management messages) |
| 1 0 0 0 | GPRS mobile management message (GPRS mobility management messages) |
| 1 0 0 1 | Short message service message (SMS messages) |
| 1 0 1 0 | GPRS session management messages (GPRS session management messages) |
| 1 0 1 1 | Non-calling related supplementary service message (non call related SS messages) |
| 1 1 0 0 | 3GPP TS 44.071[8a] the middle location service of describing (Location services specified in 3GPP TS 44.071[8a]) |
| 1 1 1 0 | Reserve (reserved for extension of the PD to one octet length) for PD being expanded to 8 word length |
| 1 1 1 1 | Be 3GPP TS 44.014[5a] and 3GPP TS 34.109[17a] in test program reserve (reserved for tests procedures described in 3GPP TS 44.014[5a] and 3GPP TS 34.109[17a]) |
The definition of table 5 CM Service type
| Bits 4 3 2 1 | |
| 0 0 0 1 | Mobile originating is set up or group mode connects foundation (Mobile originating call establishment or packet mode connection establishment) |
| 0 0 1 0 | (Emergency call establishment) set up in urgent call |
| 0 1 0 0 | Short message service (Short message service) |
| 1 0 0 0 | Supplementary service activates (Supplementary service activation) |
| 1 0 0 1 | Voice group call service is set up (Voice group call establishment) |
| 1 0 1 0 | Voice broadcast call is set up (Voice broadcast call establishment) |
| 1 0 1 1 | Location service (Location Services) |
| Other all values are reserved | |
Can see from above-mentioned definition, in the call signaling of existing 3GPP, not to the professional relevant protocol-identifier of VPC and the definition of connection management type of service, and in the 3GPP agreement, there is not the associated description of other VPCS yet, therefore, if terminal wishes to initiate voice private calling, this type of service can't be notified network side.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method for building up of voice private calling service, makes terminal when initiating voice private calling, the voice private calling service type notification of request can be arrived network side.
For solving the problems of the technologies described above, the objective of the invention is to be achieved through the following technical solutions:
A kind of method for building up of voice private calling service comprises:
A, calling terminal send the call setup request message that carries the secret call service sign to moving exchanging center MSC;
B, MSC confirm that according to the secret call service sign that carries in this message this business is secret call service;
C, MSC confirm if dialing user identity is legal and caller and all signatory secret call service of called subscriber, then set up calling terminal and are connected with the individual call of terminal called.
Wherein, described MSC confirms that legal and caller of dialing user identity and all signatory secret call service of called subscriber specifically comprise:
Whether MSC is legal to VLR Visitor Location Register VLR inquiring calling user identity, if VLR indication dialing user identity is legal, then MSC is further to VLR inquiring calling and called subscriber signatory secret call service whether, when VLR indicated caller and called subscriber all to contract secret call service, MSC confirmed dialing user identity legal and caller and all signatory secret call service of called subscriber.
Also comprise before the described steps A: base station sub-system BSS gives calling terminal assignment Separate Dedicated Control Channel according to the request of calling terminal; MSC described in the step C sets up calling terminal and is connected specifically with the individual call of terminal called and comprises:
C1, MSC assign to calling terminal on the group-calling channel after giving calling terminal place cell allocation group-calling channel, and by BSS paging terminal called;
C2, BSS give terminal called assignment Separate Dedicated Control Channel according to the request of terminal called;
C3, terminal called report page-response message to MSC; The current calling of MSC notice terminal called is an individual call;
C4, MSC give terminal called place cell allocation group-calling channel, and after assigning to terminal called on the group-calling channel, notice calling terminal individual call is set up and finished.
Preferably, described steps A specifically comprises:
Calling terminal to BSS report comprise the secret call service sign the Asynchronous Balanced Mode frame is set;
BSS sends complete layer three information that comprise this sign to MSC, and returns the unnumbered acknowledge frame that comprises this sign to calling terminal.
Preferably, BSS specifically comprises for the terminal assignments Separate Dedicated Control Channel in this method: terminal is to the BSS channel request message; BSS receives the immediate assignment message that is returned as the terminal assignments Separate Dedicated Control Channel after this message.
Preferably, described step C1 specifically comprises:
MSC sends individual call assignment request to base station controller BSC; BSC distributes group-calling channel after receiving this message, and returns the individual call assignment to MSC and finish message;
MSC sends beep-page message to BSC, and BSC passes through beep-page message paging terminal called in the lane place at terminal called place;
MSC sends the assignment request message that calling terminal is assigned to group-calling channel to BSS;
After BSS was assigned to group-calling channel to calling terminal transmission Assignment Command with calling terminal, calling terminal returned assignment to BSS and finishes message;
BSS returns assignment to MSC and finishes message.
Preferably, described step C3 specifically comprises:
Terminal called to BSS report comprise page-response message the Asynchronous Balanced Mode frame is set;
BSS sends complete layer three information that comprise this message to MSC;
It is individual call that MSC sets up the current calling of message informing terminal called by transmission.
Preferably, described step C4 specifically comprises:
MSC sends individual call assignment request to BSC, and BSC distributes group-calling channel after receiving this message, and returns the individual call assignment to MSC and finish message;
MSC sends the assignment request message that terminal called is assigned to group-calling channel to BSS;
BSS sends the channel release message of carrying to terminal called place cell allocation group-calling channel information to terminal called terminal called is assigned to group-calling channel, and returns assignment to MSC and finish message;
MSC sends notice calling terminal individual call to calling terminal and sets up the connection message of finishing.
Wherein, steps A can specifically comprise: calling terminal to MSC send carry the secret call service sign set up message immediately.
Wherein, steps A also can specifically comprise: calling terminal to MSC send carry the secret call service sign set up 2 message immediately.
Wherein, steps A can also specifically comprise: calling terminal sends the connection management business request information of carrying the secret call service sign to MSC.
As can be seen from the above technical solutions, the present invention has the following advantages:
Calling terminal is when initiating secret call service, by send the call setup request message that carries the secret call service sign to MSC, make MSC to confirm that the business of calling terminal request is a secret call service according to the secret call service sign that carries in this message, solved in the current 3GPP agreement and the secret call service type notification can't have been arrived the problem of network side, and then can realize the foundation of voice private calling service.
Description of drawings
Fig. 1 is the flow chart of voice private calling service method for building up embodiment one of the present invention;
Fig. 2 is the flow chart of voice private calling service method for building up embodiment two of the present invention;
Fig. 3 is the flow chart of voice private calling service method for building up embodiment three of the present invention.
Embodiment
The present invention is directed under the existing 3GPP agreement, when initiating voice private calling, terminal this type of service can't be notified the problem of network side, the basic design that addresses this problem is provided, promptly in the call signaling of existing 3GPP agreement, increase the definition relevant with voice private calling service, like this, terminal is when initiating secret call service, by to MSC (Mobile Switch Center, mobile switching centre) transmission comprises the call setup request message that carries the secret call service sign, make MSC to confirm that the business of terminal request is a secret call service, and then follow-up processing is carried out in this calling according to this secret call service sign.
In the protocoldiscriminator of IMMEDIATE SETUP and the IMMEDIATE SETUP2 message definition at present, " 0010 " is defined as reserving, and therefore, can expand the definition of protocol-identifier, and the definition of expansion back sees the following form 6.
The protocol discriminator definition of table 6 expansion
| Bits 4 3 2 1 | |
| 0 0 0 0 | Group calling control (group call control) |
| 0 0 0 1 | Broadcast ﹠ call controls (broadcast call control) |
| 0 0 1 0 | Individual call control (Private call control) |
| 0 0 1 1 | Call out control; With calling related supplementary service message (call control; Call related SS messages) |
| 0 1 0 0 | GPRS clear transport protocol (GPRS Transparent Transport Protocol (GTTP)) |
| 0 1 0 1 | Mobile management message (mobility management messages) |
| 0 1 1 0 | Radio resource management messages (radio resources management messages) |
| 1 0 0 0 | GPRS mobile management message (GPRS mobility management messages) |
| 1 0 0 1 | Short message service message (SMS messages) |
| 1 0 1 0 | GPRS session management messages (GPRS session management messages) |
| 1 0 1 1 | Non-calling related supplementary service message (non call related SS messages) |
| 1 1 0 0 | 3GPP TS 44.071[8a] the middle location service of describing (Location services specified in 3GPP TS 44.071[8a]) |
| 1 1 1 0 | Reserve (reserved for extension of the PD to one octet length) for PD being expanded to 8 word length |
| 1 1 1 1 | Be 3GPP TS 44.014[5a] and 3GPP TS 34.109[17a] in test program reserve (reserved for tests procedures described in 3GPP TS 44.014[5a] and 3GPP TS 34.109[17a]) |
By the definition of protocoldiscriminator in IMMEDIATE SETUP and the IMMEDIATE SETUP2 message is expanded, terminal can use IMMEDIATE SETUP or IMMEDIATE SETUP2 message to initiate voice private calling.Below in conjunction with Fig. 1, embodiment one to voice private calling service method for building up of the present invention is described, in the present embodiment, calling terminal is initiated individual call by send SABM (Asynchronous Balanced Mode is set) frame that comprises IMMEDIATE SETUP message to BSS (base station sub-system), after MSC knows that this business is individual call, calling terminal adopts group calling to set up flow process, and terminal called adopts the paging flow process of point to point call.
Step 101 to step 102, calling terminal sends CHAN_REQ (channel request) message to BSS, the request allocated channel; BSS returns IMM_ASS (assignment immediately) message after receiving this message, is this terminal assignments SDCCH (Separate Dedicated Control Channel).
Step 103, calling terminal report the SABM frame to BSS, wherein comprise IMMEDIATE SETUP message, and the value of protocol-identifier is individual call control in this message, and the indicating services type is an individual call; Also comprise calling subscriber and called number in the message.
Step 104 sends COMP_L3_INFO (layer three information fully) to step 105, BSS to MSC, and wherein comprising the protocol-identifier value is the IMMEDIATE SETUP message of individual call control; And return UA (unnumbered acknowledge) frame that comprises IMMEDIATE SETUP message to calling terminal, this message that expression sends receives.
Step 106, MSC judge if the value of protocol-identifier equals individual call control among the IMMEDIATE SETUP, confirm that then this business is individual call, continues follow-up processing flow.
Step 107 sends PROC_ACC_REQ (handling the request of access) message to step 108, MSC to VLR (VLR Visitor Location Register), and whether the inspection calling subscriber is legal; VLR returns PROC_ACC_ACK (handle and insert response) message to MSC, and whether the indication calling subscriber is legal.
Step 109 sends SEND_INFO_OUT (transmission information) message to VLR to step 110, MSC, checks calling subscriber's secret call service of whether having contracted; VLR returns COMPLETE_CALL (finishing calling) response to MSC, and the indication calling subscriber secret call service of whether having contracted if the calling subscriber is signatory, includes calling subscriber's subscription data in this response message.
Step 111 to step 112, MSC sends CHECK_VPCS_CALLED (checking that individual call is called) message to VLR, checks called subscriber's secret call service of whether having contracted; VLR returns CHECK_VPCS_CALLED_RSP (checking the called response of individual call) to MSC, the indication called subscriber secret call service of whether having contracted, if the called subscriber is signatory, include called subscriber's current place cell information and called subscriber's subscription data in this response message.
Step 113 sends VPCS_ASS_REQ (individual call assignment request) to BSC to step 116, MSC, indication distributes group-calling channel in sub-district, calling terminal place, BSC distributes group-calling channel after receiving this message, and returns VPCS_ASS_COMP (the individual call assignment is finished) message to MSC; In addition, MSC sends BSSMAP_PAGING (paging) message, paging terminal called to BSC; BSC passes through PAGING (paging) message paging terminal called in the lane place at terminal called place.
Step 117, MSC send ASS_REQ (assignment request) message to BSS, and notice BSS assigns to calling terminal on the group-calling channel.
Step 118 sends ASS_CMD (Assignment Command) to calling terminal to step 119, BSS, and calling terminal is assigned to group-calling channel; Calling terminal returns ASS_CMP (assignment is finished) message on group-calling channel, this moment, calling terminal entered the group calling sending mode, and the calling terminal speech can transfer to network side.
Step 120, BSS return ASS_COMP (assignment is finished) message to MSC.
Step 121 to step 122, terminal called sends CHAN_REQ (channel request) message to BSS, the request allocated channel; BSS returns IMM_ASS (assignment immediately) message after receiving this message, is this terminal assignment SDCCH channel immediately.
Step 123 to step 124, terminal called reports the SABM frame to BSS on the SDCCH channel, wherein comprise PAGING_RSP (page response) message; The COMP_L3_INFO message that BSS will comprise PAGING_RSP message sends to MSC.
Step 125, MSC send SETUP (foundation) message to terminal called, and the current calling of notice terminal called is an individual call.
Step 126 sends VPCS_ASS_REQ to step 127, MSC to BSC, and indication distributes group-calling channel in sub-district, terminal called place; BSC distributes group-calling channel after receiving this message, and returns VPCS_ASS_COMP message to MSC.
Step 128 sends ASS_REQ message to step 130, MSC to BSS, and notice BSS assigns to terminal called on the individual call channel; BSS sends CHANNEL_RELEASE (channel release) message to terminal called, wherein carries the information into the group-calling channel of terminal called place cell allocation; BSS returns ASS_COMP message to MSC.
Step 131, MSC send CONNECT (connection) message to calling terminal, show that the calling subscriber can talk.
Fig. 2 is the flow chart of voice private calling service method for building up embodiment two of the present invention.In this embodiment, the message that COMP_L3_INFO message that sends to MSC except that the step 203 SABM frame that calling terminal sends to BSS to the step 205, BSS and BSS carry in the UA frame that calling terminal returns is IMMEDIATE SETUP2 but not the IMMEDIATE SETUP, individual call set up flow process with
The flow process of embodiment one is identical.
In addition, also can expand the definition of the CM Service type of CM SERVICE REQUEST message, the definition of expansion back sees the following form 7.
The CM Service type definition of table 7 expansion
| Bits 4 3 2 1 | |
| 0 0 0 1 | Mobile originating is set up or group mode connects foundation (Mobile originating call establishment or packet mode connection establishment) |
| 0 0 1 0 | (Emergency call establishment) set up in urgent call |
| 0 1 0 0 | Short message service (Short message service) |
| 1 0 0 0 | Supplementary service activates (Supplementary service activation) |
| 1 0 0 1 | Voice group call service is set up (Voice group call establishment) |
| 1 0 1 0 | Voice broadcast call is set up (Voice broadcast call establishment) |
| 1 0 1 1 | Location service (Location Services) |
| 1 1 0 0 | Voice private calling is set up (Voice private call establishment) |
| Other all values are reserved | |
Certainly, also can expand secret call service with " 1100 " outer writeeing down characters in advance of other.After expansion, terminal can be initiated voice private calling with CM SERVICE REQUEST message.In conjunction with Fig. 3, embodiment three to voice call service method for building up of the present invention is described, in the present embodiment, calling terminal is initiated individual call by send the SABM frame that comprises CM SERVICE REQUEST message to BSS, after MSC knows that this business is individual call, calling terminal adopts group calling to set up flow process, and terminal called adopts the paging flow process of point to point call.
Step 301 sends CHAN_REQ message to step 302, calling terminal to BSS, the request allocated channel; BSS returns IMM_ASS message after receiving this message, is this terminal assignment SDCCH immediately.
Step 303, calling terminal report the SABM frame to BSS, wherein comprise CM SERVICEREQUEST message, and the value of CM Service type is that voice private calling is set up in this message, and the indicating services type is an individual call; Also carry calling subscriber's number in this message.
Step 304 to step 305, BSS sends COMP_L3_INFO message to MSC, wherein comprises the CM SERVICE REQUEST message of CM Service type value for voice private calling foundation; And return the UA frame that comprises CM SERVICE REQUEST message to calling terminal, this message that expression sends receives.
Step 306, MSC judge if the value of CM Service type equals voice private calling foundation among the CM SERVICE REQUEST, confirm that then this business is individual call, continues follow-up processing flow.
Step 307 sends PROC_ACC_REQ message to step 308, MSC to VLR, and whether the inspection calling subscriber is legal; VLR returns PROC_ACC_ACK message to MSC, and whether the indication calling subscriber is legal.
Step 309, MSC carry out authentication and encryption to calling terminal.
Step 310, calling terminal send SETUP message to MSC, and indication will be set up calling, carries called subscriber's number in this message.
Step 311 to step 312, MSC sends SEND_INFO_OUT message to VLR, checks calling subscriber's secret call service of whether having contracted; VLR returns COMPLETE_CALL response to MSC, and the indication calling subscriber secret call service of whether having contracted if the calling subscriber is signatory, includes calling subscriber's subscription data in this response message.
Step 313 to step 314, MSC sends CHECK_VPCS_CALLED message to VLR, checks called subscriber's secret call service of whether having contracted; VLR returns CHECK_VPCS_CALLED_RSP to MSC, and the indication called subscriber secret call service of whether having contracted if the called subscriber is signatory, includes the current position of called subscriber district's information and called subscriber's subscription data in this response message.
Step 315 sends VPCS_ASS_REQ to step 318, MSC to BSC, and indication distributes group-calling channel in sub-district, calling terminal place, and BSC distributes group-calling channel after receiving this message, and returns VPCS_ASS_COMP message to MSC; In addition, MSC sends BSSMAP_PAGING message to BSC, and paging is called; BSC is called by the paging of PAGING message in the sub-district at terminal called place.
Step 319, MSC send ASS_REQ message to BSS, and notice BSS assigns to calling terminal on the group-calling channel.
Step 320 sends ASS_CMD to calling terminal to step 321, BSS, and calling terminal is assigned to group-calling channel; Calling terminal returns ASS_CMP message on group-calling channel, this moment, calling terminal entered the group calling sending mode, and the calling terminal speech can transfer to network side.
Step 322, BSS return ASS_COMP message to MSC.
Step 323 sends CHAN_REQ message to step 324, terminal called to BSS, the request allocated channel; BSS returns IMM_ASS message after receiving this message, is this terminal assignment SDCCH channel immediately.
Step 325 to step 326, terminal called reports the SABM frame to BSS on the SDCCH channel, wherein comprise PAGING_RSP message; The COMP_L3_INFO message that BSS will comprise PAGING_RSP message sends to MSC.
Step 327, MSC send SETUP message to terminal called, and notifying called current calling is individual call.
Step 328 sends VPCS_ASS_REQ to step 329, MSC to BSC, and indication distributes group-calling channel in sub-district, terminal called place; BSC distributes group-calling channel after receiving this message, and returns VPCS_ASS_COMP message to MSC.
Step 330 sends ASS_REQ message to step 332, MSC to BSS, and notice BSS assigns to terminal called on the individual call channel; BSS sends CHANNEL_RELEASE message to terminal called, wherein carries the information into the group-calling channel of terminal called place cell allocation; BSS returns ASS_COMP message to MSC.
Step 333, MSC send CONNECT message to calling terminal, show that the calling subscriber can talk.
More than the method for building up of a kind of voice private calling service provided by the present invention is described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (11)
1, a kind of method for building up of voice private calling service is characterized in that, this method comprises:
A, calling terminal send the call setup request message that carries the secret call service sign to moving exchanging center MSC;
B, MSC confirm that according to the secret call service sign that carries in this message this business is secret call service;
C, MSC confirm if dialing user identity is legal and caller and all signatory secret call service of called subscriber, then set up calling terminal and are connected with the individual call of terminal called.
2, voice private calling service method for building up as claimed in claim 1 is characterized in that, described MSC confirms that legal and caller of dialing user identity and all signatory secret call service of called subscriber specifically comprise:
Whether MSC is legal to VLR Visitor Location Register VLR inquiring calling user identity, if VLR indication dialing user identity is legal, then MSC is further to VLR inquiring calling and called subscriber signatory secret call service whether, when VLR indicated caller and called subscriber all to contract secret call service, MSC confirmed dialing user identity legal and caller and all signatory secret call service of called subscriber.
3, voice private calling service method for building up as claimed in claim 1 is characterized in that, also comprises before the described steps A: base station sub-system BSS gives calling terminal assignment Separate Dedicated Control Channel according to the request of calling terminal; MSC described in the step C sets up calling terminal and is connected specifically with the individual call of terminal called and comprises:
C1, MSC assign to calling terminal on the group-calling channel after giving calling terminal place cell allocation group-calling channel, and by BSS paging terminal called;
C2, BSS give terminal called assignment Separate Dedicated Control Channel according to the request of terminal called;
C3, terminal called report page-response message to MSC; The current calling of MSC notice terminal called is an individual call;
C4, MSC give terminal called place cell allocation group-calling channel, and after assigning to terminal called on the group-calling channel, notice calling terminal individual call is set up and finished.
4, voice private calling service method for building up as claimed in claim 1 is characterized in that, described steps A specifically comprises:
Calling terminal to BSS report comprise the secret call service sign the Asynchronous Balanced Mode frame is set;
BSS sends complete layer three information that comprise this sign to MSC, and returns the unnumbered acknowledge frame that comprises this sign to calling terminal.
5, voice private calling service method for building up as claimed in claim 3 is characterized in that, BSS specifically comprises for the terminal assignments Separate Dedicated Control Channel in this method: terminal is to the BSS channel request message; BSS receives the immediate assignment message that is returned as the terminal assignments Separate Dedicated Control Channel after this message.
6, voice private calling service method for building up as claimed in claim 3 is characterized in that, described step C1 specifically comprises:
MSC sends individual call assignment request to base station controller BSC; BSC distributes group-calling channel after receiving this message, and returns the individual call assignment to MSC and finish message;
MSC sends beep-page message to BSC, and BSC passes through beep-page message paging terminal called in the lane place at terminal called place;
MSC sends the assignment request message that calling terminal is assigned to group-calling channel to BSS;
After BSS was assigned to group-calling channel to calling terminal transmission Assignment Command with calling terminal, calling terminal returned assignment to BSS and finishes message;
BSS returns assignment to MSC and finishes message.
7, voice private calling service method for building up as claimed in claim 3 is characterized in that, described step C3 specifically comprises:
Terminal called to BSS report comprise page-response message the Asynchronous Balanced Mode frame is set;
BSS sends complete layer three information that comprise this message to MSC;
It is individual call that MSC sets up the current calling of message informing terminal called by transmission.
8, voice private calling service method for building up as claimed in claim 3 is characterized in that, described step C4 specifically comprises:
MSC sends individual call assignment request to BSC, and BSC distributes group-calling channel after receiving this message, and returns the individual call assignment to MSC and finish message;
MSC sends the assignment request message that terminal called is assigned to group-calling channel to BSS;
BSS sends the channel release message of carrying to terminal called place cell allocation group-calling channel information to terminal called terminal called is assigned to group-calling channel, and returns assignment to MSC and finish message;
MSC sends notice calling terminal individual call to calling terminal and sets up the connection message of finishing.
9, as each described voice private calling service method for building up of claim 1 to 8, it is characterized in that described steps A specifically comprises: calling terminal to MSC send carry the secret call service sign set up message immediately.
10, as each described voice private calling service method for building up of claim 1 to 8, it is characterized in that described steps A specifically comprises: calling terminal to MSC send carry the secret call service sign set up 2 message immediately.
11, as each described voice private calling service method for building up of claim 1 to 8, it is characterized in that described steps A specifically comprises: calling terminal sends the connection management business request information of carrying the secret call service sign to MSC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101035198A CN1889782A (en) | 2006-07-19 | 2006-07-19 | Voice private calling service establishing method |
Applications Claiming Priority (1)
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| CNA2006101035198A CN1889782A (en) | 2006-07-19 | 2006-07-19 | Voice private calling service establishing method |
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| CN1889782A true CN1889782A (en) | 2007-01-03 |
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| CNA2006101035198A Pending CN1889782A (en) | 2006-07-19 | 2006-07-19 | Voice private calling service establishing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813035A (en) * | 2014-12-30 | 2016-07-27 | ***通信集团公司 | Method and system for identifying secure voice service and network device |
| CN105813106A (en) * | 2014-12-31 | 2016-07-27 | ***通信集团公司 | Method and device for determining type of voice service |
-
2006
- 2006-07-19 CN CNA2006101035198A patent/CN1889782A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813035A (en) * | 2014-12-30 | 2016-07-27 | ***通信集团公司 | Method and system for identifying secure voice service and network device |
| CN105813035B (en) * | 2014-12-30 | 2019-12-17 | ***通信集团公司 | Method, system and network equipment for identifying secret voice service |
| CN105813106A (en) * | 2014-12-31 | 2016-07-27 | ***通信集团公司 | Method and device for determining type of voice service |
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