CN103067899B - A kind of method, terminal and system realizing call diversion - Google Patents
A kind of method, terminal and system realizing call diversion Download PDFInfo
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- CN103067899B CN103067899B CN201210566450.8A CN201210566450A CN103067899B CN 103067899 B CN103067899 B CN 103067899B CN 201210566450 A CN201210566450 A CN 201210566450A CN 103067899 B CN103067899 B CN 103067899B
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Abstract
The invention discloses a kind of method, terminal and the system that realize call diversion, method comprises, and when requesting terminal occurs that calling access is abnormal, arranges call forwarding request information and is sent to target terminal; Target terminal reads the call diversion mark in call forwarding request information, judges that whether call diversion mark is correct, if so, reads the address of the target terminal in call forwarding request information; Target terminal judges that whether the address of described target terminal is correct, if, read the transfer address mark in call forwarding request information, relay terminal address is set according to described transfer address mark, and call diversion success response information is set is sent to requesting terminal; Requesting terminal receipt of call switching success response information sets up call diversion, additionally provide the terminal and system that adapt with method, when without dispatching desk, call diversion is realized between mobile terminal, user can as required, adopt different transfer address marks to meet the demand of different application scene.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method, terminal and the system that realize call diversion.
Background technology
Trunked communication system realizes the multi channel radio mobile communication system of multiple users share according to the mode of dynamic channel assignment.This system is generally made up of mobile terminal and dispatching desk, has scheduling, grouies busy and preferentially to exhale etc. function.In current trunked communication system, the scheduling of dispatching desk primary responsibility mobile terminal and smart allocation, when mobile terminal calling busy or electricity to exhaust etc. cannot access calling time, dispatching desk is transferred to the calling of this mobile terminal according to demand.
Mobile terminal is after dispatching desk registration, and to dispatching desk application call diversion, dispatching desk sends destination address to mobile terminal and obtains instruction, and mobile terminal sends destination address to dispatching desk, and received destination address stores by dispatching desk.Calling terminal to dispatching desk request call mobile terminal, when mobile terminal calling busy or electricity to exhaust etc. cannot access calling time, dispatching desk sends destination address to calling terminal, and calling terminal makes a call to target terminal, completes the call diversion of mobile terminal.
Those skilled in the art, when using said method to realize call diversion, find that there is following shortcoming:
Mobile terminal sends destination address to dispatching desk and sets up call diversion setting, when carrying out call diversion, send destination address by dispatching desk to calling terminal and realize call diversion, mobile terminal is in passive state in call scheduling assigning process, is subject to the control of dispatching desk; Without in the Conventional communication systems of dispatching desk, mobile terminal can only realize basic call business and information transfer function, cannot realize call diversion.
Summary of the invention
In view of this, the invention provides a kind of method, terminal and the system that realize call diversion, when without dispatching desk, between mobile terminal, realize call diversion function.
Realize a method for call diversion, described method comprises:
When requesting terminal occurs that calling access is abnormal, call forwarding request information is set and is sent to target terminal;
Target terminal reads the call diversion mark in call forwarding request information, judges that whether call diversion mark is correct, if so, reads the address of the target terminal in call forwarding request information;
Target terminal judges that whether the address of described target terminal is correct, if, read the transfer address mark in call forwarding request information, relay terminal address is set according to described transfer address mark, and call diversion success response information is set is sent to requesting terminal;
Requesting terminal receipt of call switching success response information sets up call diversion.
Preferably, when transfer address is designated source terminal mark, describedly relay terminal address be set according to described transfer address mark be:
Target terminal reads the address of the requesting terminal in call forwarding request information;
The address of requesting terminal is set to relay terminal address.
Preferably, when transfer address is designated other terminal iidentification, describedly relay terminal address be set according to described transfer address mark be:
Target terminal reads at least one the carried terminal address in call forwarding request information;
At least one carried terminal address is set to relay terminal address.
Preferably, described destination terminal addresses is correct comprises afterwards further:
Target terminal reads the authorization message in call forwarding request information, judges that whether authorization message is correct, if so, identifies arrange relay terminal address according to described transfer address, and arranges call diversion success response information and be sent to requesting terminal.
Preferably, describedly call forwarding request information is set and comprises further after being sent to target terminal:
Timing is carried out in requesting terminal, when timing time exceed predetermined threshold value also do not receive call diversion success response information time, send triggering signal trigger resend call forwarding request information.
Realize the method that call diversion is cancelled, described method comprises:
When requesting terminal is recovered to call out and accessed normal, call diversion is set and cancels information and be sent to target terminal;
Mark is cancelled in the switching that target terminal reads in call diversion cancellation information, whether correctly judges that mark is cancelled in switching, if so, reads the address of the target terminal in call diversion cancellation information;
Target terminal judges that whether the address of described target terminal is correct, if, read the cancellation address designation in call diversion cancellation information, remove relay terminal address according to described cancellation address designation, and call diversion is set cancels successful information and be sent to requesting terminal;
Requesting terminal is cancelled successful information according to call diversion and is cancelled call diversion.
Realize a requesting terminal for call diversion, described terminal comprises:
Solicited message arranges module, during for occurring that calling access is abnormal, arranges call forwarding request information;
Solicited message sending module, for call forwarding request information is sent to target terminal, so that target terminal reads the call diversion mark in call forwarding request information, judge whether call diversion mark is correct, if, read the address of the target terminal in call forwarding request information, judge that whether the address of described target terminal is correct, if, read the transfer address mark in call forwarding request information, relay terminal address is set according to described transfer address mark, and arranges and send call diversion success response information;
Response message receiver module, sets up call diversion for receipt of call switching success response information.
Preferably, described terminal comprises further:
Timing module, for arranging call forwarding request information and carrying out timing after being sent to target terminal, when timing time exceedes predetermined threshold value, send triggering signal to solicited message sending module, described triggering signal trigger request information sending module resends call forwarding request information.
Realize a target terminal for call diversion, described terminal comprises:
Solicited message receiver module, for receipt of call transfer-request information, described call forwarding request information is that calling out set when accessing abnormal and sending appears in requesting terminal;
Call diversion mark judge module, for judging that whether call diversion mark is correct, if so, reads the address of the target terminal in call forwarding request information;
Destination terminal addresses judge module, whether correct for judging the address of described target terminal, if so, read the transfer address mark in call forwarding request information;
Relay terminal address arranges module, for arranging relay terminal address according to described transfer address mark;
Switching response message arranges module, for when the address of described target terminal is correct, arranges call diversion success response information;
Switching response message sending module, for call diversion success response information is sent to requesting terminal, so that requesting terminal receipt of call switching success response information sets up call diversion.
Preferably, when transfer address is designated source terminal mark, described relay terminal address arranges module and specifically comprises:
First address read module, for reading the address of the requesting terminal in call forwarding request information;
First address arranges module, and the address of requesting terminal is set to relay terminal address.
Preferably, when transfer address is designated other terminal iidentification, described relay terminal address arranges module and specifically comprises:
Second address read module, for reading at least one the carried terminal address in call forwarding request information;
Second address arranges module, and at least one carried terminal address is set to relay terminal address.
Preferably, described terminal comprises further:
Authorization message judge module, time correct for destination address, reads the authorization message in call forwarding request information, judges that whether authorization message is correct, if so, arranges relay terminal address according to described transfer address mark;
Switching response message arranges module, for when authorization message is correct, arranges call diversion success response information.
Realize the requesting terminal that call diversion is cancelled, described terminal comprises:
Cancellation information arranges module, when accessing normal for recovering to call out, arranging call diversion and cancelling information;
Cancel information sending module, target terminal is sent to for call diversion is cancelled information, so that mark is cancelled in the switching that target terminal reads in call diversion cancellation information, judge whether mark is cancelled in switching correct, if, read the address of the target terminal in call diversion cancellation information, judge that whether the address of described target terminal is correct, if, read the cancellation address designation in call diversion cancellation information, remove relay terminal address according to described cancellation address designation, and arrange and send call diversion cancellation successful information;
Cancelling successful information receiver module, cancelling call diversion for cancelling successful information according to call diversion.
Realize the target terminal that call diversion is cancelled, described terminal comprises:
Cancellation information receiving module, for receipt of call switching cancellation information, it is that requesting terminal is recovered set when calling accesses normal and sends that described call diversion cancels information;
Whether mark judge module is cancelled in switching, correct for judging that mark is cancelled in switching, if so, reads the address of the target terminal in call diversion cancellation information;
Address judgment module, whether correct for judging the address of described target terminal, if so, read the cancellation address designation in call diversion cancellation information;
Remove module, for removing relay terminal address according to described cancellation address designation;
Cancel successful information and module is set, for when described destination terminal addresses is correct, call diversion is set and cancels successful information;
Cancel successful information sending module, be sent to requesting terminal for call diversion is cancelled successful information, so that successful information is cancelled in receipt of call switching in requesting terminal cancel call diversion.
Realize a system for call diversion, described system comprises:
Requesting terminal of the present invention and target terminal of the present invention.
As shown in the above, the present invention has following beneficial effect:
A kind of method realizing call diversion provided by the present invention, when requesting terminal occurs that calling access is abnormal, call forwarding request information is set and is sent to target terminal, target terminal reads the call diversion mark in call forwarding request information, judge whether call diversion mark is correct, if, read the address of the target terminal in call forwarding request information, target terminal judges that whether the address of described target terminal is correct, if, read the transfer address mark in call forwarding request information, according to described transfer address mark, relay terminal address is set, and call diversion success response information is set is sent to requesting terminal, requesting terminal receipt of call switching success response information sets up call diversion, call forwarding request information is directly sent to target terminal by requesting terminal, target terminal checking call forwarding request information correct after, relay terminal address and call diversion success response information are set, and call diversion success response information is sent to requesting terminal, set up call diversion, without the need to by dispatching desk, between terminal, realize call diversion.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of call forwarding method embodiment one of the present invention flow chart;
Fig. 2 is the frame structure schematic diagram of the control signal block defined in prior art digital mobile radio standard;
Fig. 3 is call forwarding request protocol data frame structural representation of the present invention;
Fig. 4 is that call diversion information of the present invention carries protocol data frame intermediate mass protocol Data Unit structural representation;
Fig. 5 is that call diversion information of the present invention carries last block protocol Data Unit structural representation of protocol data frame;
Fig. 6 is call diversion response protocol data frame structure schematic diagram of the present invention;
Fig. 7 is that one of the present invention realizes call forwarding method embodiment two flow chart;
Fig. 8 is a kind of requesting terminal embodiment four structural representation realizing call diversion of the present invention;
Fig. 9 is a kind of target terminal embodiment five structural representation realizing call diversion of the present invention;
Figure 10 is a kind of requesting terminal embodiment six structural representation realizing call diversion and cancel of the present invention;
Figure 11 is a kind of target terminal embodiment seven structural representation realizing call diversion and cancel of the present invention;
Figure 12 is example 1 call forwarding request protocol data frame structural representation of the present invention;
Figure 13 is example 1 call diversion response protocol data frame structure schematic diagram of the present invention;
Figure 14 is example 2 call forwarding request protocol data frame structural representation of the present invention;
Figure 15 is that example 2 call diversion of the present invention carries protocol data frame structural representation;
Figure 16 is example 2 call diversion response protocol data frame structure schematic diagram of the present invention.
Embodiment
The invention discloses a kind of method, terminal and the system that realize call diversion, the call diversion that can realize between mobile terminal without the need to using dispatching desk.
Method provided by the present invention, comprising: when requesting terminal occurs that calling access is abnormal, arrange call forwarding request information and be sent to target terminal; Target terminal reads the call diversion mark in call forwarding request information, judges that whether call diversion mark is correct, if so, reads the address of the target terminal in call forwarding request information; Target terminal judges that whether the address of described target terminal is correct, if, read the transfer address mark in call forwarding request information, relay terminal address is set according to described transfer address mark, and call diversion success response information is set is sent to requesting terminal; Requesting terminal receipt of call switching success response information sets up call diversion.
Requesting terminal provided by the present invention, comprising: solicited message arranges module, during for occurring that calling access is abnormal, arranges call forwarding request information; Solicited message sending module, for call forwarding request information is sent to target terminal, so that target terminal reads the call diversion mark in call forwarding request information, judge whether call diversion mark is correct, if, read the address of the target terminal in call forwarding request information, judge that whether the address of described target terminal is correct, if, read the transfer address mark in call forwarding request information, relay terminal address is set according to described transfer address mark, and arranges and send call diversion success response information; Response message receiver module, sets up call diversion for receipt of call switching success response information.
Target terminal provided by the present invention, comprising: solicited message receiver module, and for receipt of call transfer-request information, described call forwarding request information is that calling out set when accessing abnormal and sending appears in requesting terminal; Call diversion mark judge module, for judging that whether call diversion mark is correct, if so, reads the address of the target terminal in call forwarding request information; Destination terminal addresses judge module, whether correct for judging the address of described target terminal, if so, read the transfer address mark in call forwarding request information; Relay terminal address arranges module, for arranging relay terminal address according to described transfer address mark; Switching response message arranges module, for when the address of described target terminal is correct, arranges call diversion success response information; Switching response message sending module, for switching success response information is sent to requesting terminal, so that requesting terminal receipt of call switching success response information sets up call diversion.
Requesting terminal provided by the present invention, comprising: cancellation information arranges module, when accessing normal for recovering to call out, arranging call diversion and cancelling information; Cancel information sending module, target terminal is sent to for call diversion is cancelled information, so that mark is cancelled in the switching that target terminal reads in call diversion cancellation information, judge whether mark is cancelled in switching correct, if, read the address of the target terminal in call diversion cancellation information, judge that whether the address of described target terminal is correct, if, read the cancellation address designation in call diversion cancellation information, remove relay terminal address according to described cancellation address designation, and arrange and send call diversion cancellation successful information; Cancelling successful information receiver module, cancelling call diversion for cancelling successful information according to call diversion.
Target terminal provided by the present invention, comprising: cancellation information receiving module, and for receipt of call switching cancellation information, it is that requesting terminal is recovered set when calling accesses normal and sends that described call diversion cancels information; Whether mark judge module is cancelled in switching, correct for judging that mark is cancelled in switching, if so, reads the address of the target terminal in call diversion cancellation information; Address judgment module, whether correct for judging the address of described target terminal, if so, read the cancellation address designation in call diversion cancellation information; Remove module, for removing relay terminal address according to described cancellation address designation; Cancel successful information and module is set, for when described destination terminal addresses is correct, call diversion is set and cancels successful information; Cancel successful information sending module, be sent to requesting terminal for call diversion is cancelled successful information, so that successful information is cancelled in receipt of call switching in requesting terminal cancel call diversion.
System provided by the present invention, comprising: requesting terminal provided by the present invention and target terminal provided by the present invention.
Below in conjunction with accompanying drawing, specific embodiment is described in detail.
Embodiment one
Shown in Fig. 1 is that one of the present invention realizes call forwarding method embodiment one flow chart, comprising:
Step 101: when requesting terminal occurs that calling access is abnormal, call forwarding request information is set and is sent to target terminal.
Requesting terminal calling access is abnormal comprises a variety of situation.When run into as: when leaving the situations such as service area, battery alarm and busy call, requesting terminal automatically can be triggered and be set up call forwarding request; When run into the situation such as to go on business time, also can be arranged by user and set up trigger call transfer-request.
Requesting terminal, when calling out access and being abnormal, arranges call diversion information, is specially and arranges call forwarding request protocol data frame, carry out concrete definition to each information unit in call forwarding request protocol data frame.
The frame structure of control signal block (Control Signaling Block, CSBK) is defined, as shown in Figure 2 in digital mobile radio (Digital Mobile Radio, DMR) standard.Wherein, 64 Bit datas of byte 2 ~ byte 9 can customize.
Fig. 3 is call forwarding request protocol data frame structural representation, and wherein, each information unit is defined as follows:
Shown in table 1 is the definition of last block (Last_Block, LB) information unit, and taking length is 1, adopts 1 binary code representation.When the value of LB is 0, represent beginning or the intermediate mass of multiple controll block; When the value of LB is 1, represent last block of single control signal block or multiple control signal block.
Last block of table 1 LB information unit defines
Shown in table 2 is the definition of protective emblem (Protect Flag, PF) information unit, and taking length is 1, adopts 1 binary code representation.The value of PF is 0, represents obligate information unit.
Table 2 protective emblem PF information unit defines
Shown in table 3 is the definition of control signal command code (Control Signalling Block Opcode, CSBKOpcode) information unit, and taking length is 6, adopts 6 binary code representations.When the value of CSBKOpcode is 110110, be expressed as call forwarding request control signal command code; When the value of CSBKOpcode is 110111, be expressed as call diversion response limiting signaling manipulation code.Wherein, control signal command code can arrange other value according to actual conditions, do not limit here.
Table 3 control signal command code CSBK Opcode information unit defines
Shown in table 4 is the definition of manufacturer ID (Manufacturer ' s Feature set ID, MFID) information unit, and taking length is 8, adopts 8 binary code representations.When the value of MFID is 00000000, be expressed as the identification code of DMR benchmark service.
Table 4 manufacturer ID MFID information unit defines
Shown in table 5 is the definition of group calling/individual calling (Group or Indicidual, G/I) information unit, and taking length is 1, adopts 1 binary code representation.When the value of G/I is 0, represent that the destination address of calling is single mobile station; When the value of G/I is 1, represent that the destination address of calling is one group of travelling carriage.
Table 5 group calling/individual calling G/I information unit definition
Shown in table 6 is the definition of call diversion command code (Operate Code, OC) information unit, and taking length is 2, adopts 2 binary code representations.When the value of OC is 00, represent that call diversion sets up operation; When the value of OC is 01, represent that call diversion cancels operation.
Table 6 call diversion command code OC information unit defines
Shown in table 7 is the definition of transfer address number (Number of Address, NOA) information unit, and taking length is 4, adopts 4 binary code representations.When the value of NOA is 0, represent that source terminal address is call diversion address; When NOA is any one numerical value in 1 ~ 15, be expressed as the number that third party's terminal carries out call diversion, third party's terminal address is carried terminal address.
Table 7 transfer address number NOA information unit defines
Shown in table 8 is address information element definition, and taking length is 24, adopts 24 binary code representations.The value of address is the number between 1 ~ 16776415, and address, requesting terminal represents call diversion initiator address; Destination terminal addresses represents call diversion target side address, and carried terminal address is expressed as the address that the multiple user of third party carries out call diversion.
Table 8 address information element defines
| Information unit | Length | Value | Mark |
| Address, requesting terminal | 24 | 1～16776415 | The initiator address of call diversion |
| Destination terminal addresses | 24 | 1～16776415 | The target side address of call diversion |
| Carried terminal address | 24 | 1～16776415 | The multiple terminal of third party carries out the address of call diversion |
When carrying out call diversion at least one mobile terminal of third party, also needing definition call diversion information to carry protocol data frame, comprising: intermediate mass protocol Data Unit (as shown in Figure 4) and last block protocol Data Unit (as shown in Figure 5).
Preferably, the present invention can be at most 6 mobile terminals and carries out call diversion to same target terminal.Wherein, call diversion information carries protocol data frame, and intermediate mass protocol Data Unit carries the most-significant byte information of the 4th carried terminal address; Last block protocol Data Unit carries low 16 information of the 4th carried terminal address.
The call forwarding request information set is sent to target terminal by conventional time division access channel.
Step 102: target terminal reads the call diversion mark in call forwarding request information, judges that whether call diversion mark is correct, if so, reads the address of the target terminal in call forwarding request information.
The call diversion mark that target terminal reads, be specially the control signal command code in transfer-request protocol frame, that is, according to the definition of the information unit of above-mentioned table 3 pair control signal command code, the value of control signal command code CSBK Opcode should be 110110.
The address of target terminal, according to the definition of above-mentioned table 8 pair address information element, refers to the address of call diversion target side, is the number between 1 ~ 16776415.
Step 103: target terminal judges that whether the address of described target terminal is correct, if, read the transfer address mark in call forwarding request information, relay terminal address is set according to described transfer address mark, and call diversion success response information is set is sent to requesting terminal.
The transfer address mark that target terminal reads, be specially the transfer address number in transfer-request protocol frame, namely, according to the definition of the information unit of above-mentioned table 6 pair transfer address number, when the transfer address number read is 0, represent that address, requesting terminal is relay terminal address, read requests terminal address is set to relay terminal address; When the transfer address number read is any one numerical value in 1 ~ 15, is expressed as the number that third party carries out call diversion, reads at least one carried terminal address, at least one carried terminal address is set to relay terminal address.Such as, transfer address number is 3, then reading 3 carried terminal addresses and be set to relay terminal address, is that 3 terminals set up call diversion.
When call diversion mark and destination terminal addresses are all correct, call diversion success response information are set, are specially and call diversion response protocol Frame is set, concrete definition is carried out to each information unit in call diversion response protocol Frame.Shown in Fig. 6 is call diversion response protocol data frame structure schematic diagram.
Wherein, the information unit definition of LB is as shown in table 1; The information unit definition of PF is as shown in table 2; The information unit definition of CSBK Opcode is as shown in table 3, and the value that namely should arrange CSBK Opcode is 110111; The information unit definition of MFID is as shown in table 4.Here repeat no more.
Shown in table 9 is the definition of answer code (Response Code, RC) information unit, and taking length is 8, adopts 8 binary code representations.When the value of RC is 0, is expressed as target terminal and allows receipt of call transfer-request, that is, the successful response message of call diversion; When the value of RC is 1, be expressed as target terminal rejection call forwarding request, that is, the response message of call diversion failure.
Table 9 answer code RC information unit defines
Step 104: requesting terminal receipt of call switching success response information sets up call diversion.
When requesting terminal receives the call diversion success response information of target terminal transmission, the success of requesting terminal display call diversion.
As shown in the above, the present invention has following beneficial effect:
The method of a kind of call diversion provided by the present invention, when requesting terminal occurs that calling access is abnormal, call forwarding request information is set and is sent to target terminal, target terminal reads the call diversion mark in call forwarding request information, judge whether call diversion mark is correct, if, read the address of the target terminal in call forwarding request information, target terminal judges that whether the address of described target terminal is correct, if, read the transfer address mark in call forwarding request information, according to described transfer address mark, relay terminal address is set, and call diversion success response information is set is sent to requesting terminal, requesting terminal receipt of call switching success response information sets up call diversion, call forwarding request information is directly sent to target terminal by requesting terminal, target terminal checking call forwarding request information correct after, relay terminal address and call diversion success response information are set, and call diversion success response information is sent to requesting terminal, set up call diversion, without the need to by dispatching desk, realize voluntarily between terminal arranging call diversion.
Embodiment two
Shown in Fig. 7 is a kind of call forwarding method embodiment two of the present invention flow chart, and compared with embodiment one, embodiment two verifies the correctness of authorization message further, specifically comprises:
Step 701: when requesting terminal occurs that calling access is abnormal, call forwarding request information is set and is sent to target terminal.
Call forwarding request information is set, is specially and call forwarding request protocol data frame is set.Wherein, the definition of last block LB, protective emblem PF, control signal command code CSBK Opcode, manufacturer ID MFID, group calling/individual calling G/I, call diversion command code OC, transfer address number NOA and address information element, as described in embodiment one, repeats no more here.
Shown in table 10 is the definition of authorization code (Authorization Code, AC) information unit, and taking length is 8, adopts 8 binary code representations.The value of authorization code is the number between 0 ~ 255, represents the mandate code value of call diversion.Arranging of authorization code is carried out self-defined according to the difference of target terminal.
Table 10 authorization code AC information unit defines
Timing is carried out in requesting terminal while target terminal sends call forwarding request information, sets timing predetermined threshold value according to the actual requirements.When timing time exceedes predetermined threshold value, also do not receive the call diversion response message that target terminal sends, judge whether sending times is finished, if so, then call diversion is set up unsuccessfully; If not, send triggering signal triggering and resend call forwarding request information.
If requesting terminal receives the call diversion success response information that target terminal returns in predetermined threshold value, show that requesting terminal call diversion is successfully established.
If requesting terminal receives the call diversion failure response information that target terminal returns in predetermined threshold value or the number of times resending call forwarding request information exceedes preset times, show that requesting terminal call diversion is set up unsuccessfully.
Step 702: target terminal reads the call diversion mark in call forwarding request information, judges that whether call diversion mark is correct, if so, performs step 703.
The call diversion mark that target terminal reads, is specially the control signal command code in transfer-request protocol frame, and the value of control signal command code is that 110110 expression call diversion marks are correct.
Step 703: target terminal reads the address of the target terminal in call forwarding request information, judges that whether the address of described target terminal is correct, if so, performs step 704.
The address of target terminal refers to the address of call diversion recipient.Target terminal reads the authorization code in call forwarding request information, is specially the authorization code in transfer-request protocol frame.
Step 704: target terminal reads the authorization message in call forwarding request information, judges that whether authorization message is correct, if so, performs step 705; If not, step 706 is performed.
According to the definition of above-mentioned table 10 pair authorization code, authorization code is 8 binary codes, is the number between 0 ~ 255, when the authorization code read mates with the authorization code preset in target terminal, represents that authorization code is correct.
Step 705: relay terminal address is set according to described transfer address mark, and call diversion success response information is set is sent to requesting terminal.
Step 706: call diversion failure response information is set and is sent to requesting terminal.
Step 707: call diversion is set up according to institute's receipt of call switching response message in requesting terminal.
When requesting terminal receives call diversion success response information, show that call diversion is successfully established.
When requesting terminal receives call diversion failure response information, show that call diversion is set up unsuccessfully.
Embodiment three
The method that call diversion is cancelled, comprising:
When step one, requesting terminal are recovered to call out and accessed normal, call diversion is set and cancels information and be sent to target terminal.
When the situations such as the normal or electricity of network is sufficient are recovered in requesting terminal, call diversion is set and cancels information and be sent to target terminal, be specially and call diversion is set annuls the agreement Frame.
Wherein, last block LB, protective emblem PF, control signal command code CSBK Opcode, manufacturer ID MFID, group calling/individual calling G/I, transfer address number NOA and address information element define identical with embodiment one, repeat no more here.
According to the definition of table 6 pair call diversion command code OC information unit, the value of OC should be set to 01.
Mark is cancelled in the switching that step 2, target terminal read in call diversion cancellation information, whether correctly judges that mark is cancelled in switching, if so, reads the address of the target terminal in call diversion cancellation information.
Step 3, target terminal judge that whether the address of described target terminal is correct, if, read the cancellation address designation in call diversion cancellation information, remove relay terminal address according to described cancellation address designation, and call diversion is set cancels successful information and be sent to requesting terminal.
Step 4, requesting terminal are cancelled successful information according to call diversion and are cancelled call diversion.
Preferably, further, when destination address is correct, read the authorization message in call diversion cancellation information, judge that whether authorization message is correct, if so, read the cancellation address designation in call diversion cancellation information, remove relay terminal address according to described cancellation address designation, and arrange call diversion cancel successful information be sent to requesting terminal.
Embodiment four
Shown in Fig. 8 is requesting terminal embodiment four structural representation of a kind of call diversion of the present invention, comprising:
Solicited message arranges module 801, during for occurring that calling access is abnormal, arranges call forwarding request information.
It is identical with embodiment one that call forwarding request information is set, repeats no more here.
Solicited message sending module 802, for call forwarding request information is sent to target terminal, so that target terminal reads the call diversion mark in call forwarding request information, judge whether call diversion mark is correct, if, read the address of the target terminal in call forwarding request information, judge that whether the address of described target terminal is correct, if, read the transfer address mark in call forwarding request information, relay terminal address is set according to described transfer address mark, and arranges and send call diversion success response information.
Response message receiver module 803, sets up call diversion for receipt of call switching success response information.
Preferably, the requesting terminal of call diversion comprises further:
Timing module, for arranging call forwarding request information and carrying out timing after being sent to target terminal, when timing time exceedes predetermined threshold value, send triggering signal to solicited message sending module, described triggering signal trigger request information sending module resends call forwarding request information.
Embodiment five
Shown in Fig. 9 is target terminal embodiment five structural representation of a kind of call diversion of the present invention, comprising:
Solicited message receiver module 901, for receipt of call transfer-request information, described call forwarding request information is that calling out set when accessing abnormal and sending appears in requesting terminal.
Call diversion mark judge module 902, for judging that whether call diversion mark is correct, if so, reads the address of the target terminal in call forwarding request information.
Destination terminal addresses judge module 903, whether correct for judging the address of described target terminal, if so, read the transfer address mark in call forwarding request information.
Relay terminal address arranges module 904, for arranging relay terminal address according to described transfer address mark.
Switching response message arranges module 905, for when the address of described target terminal is correct, arranges call diversion success response information.
Switching response message sending module 906, for switching success response information is sent to requesting terminal, so that requesting terminal receipt of call switching success response information sets up call diversion.
Preferably, relay terminal address arranges module and specifically comprises:
First address read module, for reading the address of the requesting terminal in call forwarding request information;
First address arranges module, and the address of requesting terminal is set to relay terminal address.
Or,
Second address read module, for reading at least one the carried terminal address in call forwarding request information;
Second address arranges module, and at least one carried terminal address is set to relay terminal address.
Preferably, described target terminal comprises further:
Authorization message judge module, time correct for destination address, reads the authorization message in call forwarding request information, judges that whether authorization message is correct, if so, arranges relay terminal address according to described transfer address mark;
Switching response message arranges module, for when authorization message is correct, arranges call diversion success response information.
Embodiment six
Figure 10 is a kind of requesting terminal embodiment six structural representation realizing call diversion and cancel of the present invention, comprising:
Cancellation information arranges module 1001, when accessing normal for recovering to call out, arranging call diversion and cancelling information.
Cancel information sending module 1002, target terminal is sent to for call diversion is cancelled information, so that mark is cancelled in the switching that target terminal reads in call diversion cancellation information, judge whether mark is cancelled in switching correct, if, read the address of the target terminal in call diversion cancellation information, judge that whether the address of described target terminal is correct, if, read the cancellation address designation in call diversion cancellation information, remove relay terminal address according to described cancellation address designation, and arrange and send call diversion cancellation successful information.
Cancelling successful information receiver module 1003, cancelling call diversion for cancelling successful information according to call diversion.
Embodiment seven
Figure 11 is a kind of target terminal embodiment seven structural representation realizing call diversion and cancel of the present invention, comprising:
Cancellation information receiving module 1101, for receipt of call switching cancellation information, it is that requesting terminal is recovered set when calling accesses normal and sends that described call diversion cancels information.
Whether mark judge module 1102 is cancelled in switching, correct for judging that mark is cancelled in switching, if so, reads the address of the target terminal in call diversion cancellation information.
Address judgment module 1103, whether correct for judging the address of described target terminal, if so, read the cancellation address designation in call diversion cancellation information.
Remove module 1104, for removing relay terminal address according to described cancellation address designation.
Cancel successful information and module 1105 is set, for when described destination terminal addresses is correct, call diversion is set and cancels successful information.
Cancel successful information sending module 1106, be sent to requesting terminal for call diversion is cancelled successful information, so that successful information is cancelled in receipt of call switching in requesting terminal cancel call diversion.
Embodiment eight
A kind of call switching system, comprising:
Requesting terminal provided by the present invention and target terminal provided by the present invention.
Below in conjunction with embody rule scene, the embodiment of the present invention is illustrated:
Example 1: requesting terminal is A, target terminal is B, and requesting terminal A carries out call diversion for self, and the target terminal of call diversion is B, that is, when requesting terminal A accesses abnormal, automatically by call diversion to target terminal B.
When requesting terminal A occur electricity exhaust or the calling such as out of reach is then abnormal time, request is set up in trigger call switching.Call forwarding request information is set, that is, call forwarding request protocol data frame.According to the definition of embodiment a pair each information unit of call forwarding request protocol data frame, last block LB is set to 1; Protective emblem PF is set to 0; Control signal command code CSBK Opcode is set to 110110; Group calling/individual calling G/I is set to 0, represent set up call diversion to as if individual calling; Call diversion command code OC is set to 0, represents and sets up call diversion; Transfer address number NOA is set to 0, is expressed as requesting terminal self and carries out call diversion, and the address of requesting terminal is relay terminal address; Authorization code is set to the authorization code mated with target terminal B; The address of requesting terminal is set to the address of A; The address of target terminal is set to the address of B.The call forwarding request protocol data frame arranged as shown in figure 12.
After target terminal B receives call forwarding request information, judge that call diversion identifies, that is, whether control signal command code CSBK Opcode is correct, if so, reads the address of target terminal.Judge that whether the address of target terminal is the address of target terminal B, if so, read authorization code.Judge whether authorization code mates with target terminal B.If CSBK Opcode is correct, destination terminal addresses correct and authorization code coupling is set up simultaneously, the address that relay terminal address is requesting terminal A is set, and call diversion success response information is set.Last block LB is set to 1; Protective emblem PF is set to 0; Control signal command code CSBK Opcode is set to 110111; Answer code is set to 0.The call diversion response protocol Frame arranged as shown in figure 13.
If CSBK Opcode mistake, destination terminal addresses mistake or authorization code do not mate, then arrange call diversion failure response information, answer code is set to 0.
After requesting terminal A receives call diversion success response information, set up call diversion success, when requesting terminal A accesses abnormal, calling automatic transfer target terminal B.
When requesting terminal A recovery calling access is normal, call diversion is set and cancels information.Last block LB is set to 1, protective emblem PF is set to 0, control signal command code CSBK Opcode is set to 110110, group calling/individual calling G/I is set to 0, transfer address number NOA is set to 0, be expressed as requesting terminal self and carry out call diversion cancellation, authorization code is set to the authorization code mated with target terminal B; The address of requesting terminal is set to the address of A; The address of target terminal is set to the address of B.According to the definition of table 6 pair call diversion command code OC information unit, the value of OC should be set to 01.
After target terminal B receives call diversion cancellation information, judge that mark is cancelled in switching, that is, whether control signal command code CSBK Opcode is correct, if so, reads the address of target terminal.Judge that whether the address of target terminal is the address of target terminal B, if so, read authorization code.Judge whether authorization code mates with target terminal B.If CSBK Opcode is correct, destination terminal addresses correct and authorization code coupling is set up simultaneously, remove relay terminal address according to described cancellation address designation, and call diversion cancellation successful information is set.Last block LB is set to 1; Protective emblem PF is set to 0; Control signal command code CSBK Opcode is set to 110111; Answer code is set to 0.
Requesting terminal A cancels call diversion after receiving call diversion cancellation successful information.
Example 2: requesting terminal is C, target terminal is D, and requesting terminal C is that third terminal E and F carries out call diversion, and the target terminal of call diversion is D, that is, when requesting terminal E and F accesses abnormal, automatically by call diversion to target terminal D.
Requesting terminal C arranges call forwarding request information, that is, call forwarding request protocol data frame and call forwarding request carry Frame.Arrange call forwarding request protocol data frame, according to the definition of embodiment a pair each information unit of call forwarding request protocol data frame, last block LB is set to 1; Protective emblem PF is set to 0; Control signal command code CSBK Opcode is set to 110110; Group calling/individual calling G/I is set to 1, represent set up call diversion to as if group calling; Call diversion command code OC is set to 0, represents and sets up call diversion; Transfer address number NOA is set to 2, is expressed as two third party terminal E and F and carries out call diversion, and the address of terminal E and terminal F is relay terminal address; Authorization code is set to the authorization code mated with target terminal D; The address of requesting terminal is set to the address of C; The address of target terminal is set to the address of D.The call forwarding request protocol data frame arranged as shown in figure 14.
Arrange call diversion and carry protocol data frame, last block LB is set to 1; Protective emblem PF is set to 0; Control signal command code CSBK Opcode is set to 110110; The address of terminal E is set to the first carried terminal address; The address of terminal F is set to the second carried terminal address.Call diversion carries protocol data frame as shown in figure 15.
After target terminal D receives call forwarding request information, judge that call diversion identifies, that is, whether control signal command code CSBK Opcode is correct, if so, reads the address of target terminal.Judge that whether the address of target terminal is the address of target terminal D, if so, read authorization code.Judge whether authorization code mates with target terminal D.If CSBK Opcode is correct, destination terminal addresses correct and authorization code coupling is set up simultaneously, the address arranging terminal E and terminal F is relay terminal address, and arranges call diversion success response information.Last block LB is set to 1; Protective emblem PF is set to 0; Control signal command code CSBK Opcode is set to 110111; Answer code is set to 0.The call diversion response protocol Frame arranged as shown in figure 16.
If CSBK Opcode mistake, destination terminal addresses mistake or authorization code do not mate, then arrange call diversion failure response information, answer code is set to 0.
After requesting terminal C receives call diversion success response information, for third party terminal E and terminal F sets up call diversion success, when terminal E and terminal F access is abnormal, calling automatic transfer target terminal D.
In the present invention, set up call diversion and cancel and arrange call diversion when cancelling information, only be set to 1 by call diversion command code OC call diversion need cancelled in data protocol frame, other setting repeats no more here as described in embodiment one.Each mobile terminal both can as requesting terminal, also can as target terminal, and therefore, each mobile terminal has the function sending call forwarding request information and send call diversion response message, does not limit.
The cancellation of call diversion in example 2, can be that requesting terminal C carries out call diversion cancellation for third party terminal E and terminal F, also can carry out call diversion cancellation by third party terminal E and terminal F, specifically not limit here.
In the present invention, mobile terminal can wherein a kind of only as in requesting terminal or target terminal, also can not only as requesting terminal but also as the target terminal of other-end; Mobile terminal only can perform the one in call diversion or call diversion cancellation, also can perform call diversion and also can perform call diversion cancellation, specifically not limit here.
The present invention is preferred, is for intercom carries out call diversion, and other mobile terminal that also conventional time division access channel can be used to carry out communication for other sets up call diversion, does not limit here.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. realize a method for call diversion, it is characterized in that, described method comprises:
When requesting terminal occurs that calling access is abnormal, call forwarding request information is set and is sent to target terminal;
Target terminal reads the call diversion mark in call forwarding request information, judges that whether call diversion mark is correct, if so, reads the address of the target terminal in call forwarding request information;
Target terminal judges that whether the address of described target terminal is correct, if, read the transfer address mark in call forwarding request information, relay terminal address is set according to described transfer address mark, and call diversion success response information is set is sent to requesting terminal;
Requesting terminal receipt of call switching success response information sets up call diversion;
When described transfer address mark is call diversion address for identification sources terminal address, described target terminal arranges relay terminal address according to described transfer address mark and comprises:
Target terminal reads the address of the requesting terminal in call forwarding request information;
The address of requesting terminal is set to relay terminal address;
Or,
When described transfer address mark carries out the number of call diversion for identifying third party's terminal, described target terminal arranges relay terminal address according to described transfer address mark and comprises:
Target terminal reads at least one the carried terminal address in call forwarding request information;
At least one carried terminal address is set to relay terminal address.
2. method according to claim 1, is characterized in that, comprises further after described destination terminal addresses is correct:
Target terminal reads the authorization message in call forwarding request information, judges that whether authorization message is correct, if so, identifies arrange relay terminal address according to described transfer address, and arranges call diversion success response information and be sent to requesting terminal.
3. the method according to claim 1-2 any one, is characterized in that, describedly arranges call forwarding request information and comprises further after being sent to target terminal:
Timing is carried out in requesting terminal, when timing time exceed predetermined threshold value also do not receive call diversion success response information time, send triggering signal trigger resend call forwarding request information.
4. realize the method that call diversion is cancelled, it is characterized in that, described method comprises:
When requesting terminal is recovered to call out and accessed normal, call diversion is set and cancels information and be sent to target terminal;
Mark is cancelled in the switching that target terminal reads in call diversion cancellation information, whether correctly judges that mark is cancelled in switching, if so, reads the address of the target terminal in call diversion cancellation information;
Target terminal judges that whether the address of described target terminal is correct, if, read the cancellation address designation in call diversion cancellation information, remove relay terminal address according to described cancellation address designation, and call diversion is set cancels successful information and be sent to requesting terminal;
Requesting terminal is cancelled successful information according to call diversion and is cancelled call diversion;
When described cancellation address designation is call diversion address for identification sources terminal address, described target terminal removes relay terminal address according to described cancellation address designation and comprises:
Target terminal reads the address of the requesting terminal in call diversion cancellation information;
The address of described request terminal is removed from the relay terminal address arranged;
Or,
When described cancellation address designation carries out the number of call diversion for identifying third party's terminal, described target terminal arranges relay terminal address according to described cancellation address designation and comprises:
Target terminal reads at least one the carried terminal address in call diversion cancellation information;
At least one carried terminal address described is removed from the relay terminal address arranged.
5. realize a requesting terminal for call diversion, it is characterized in that, described terminal comprises:
Solicited message arranges module, during for occurring that calling access is abnormal, arranges call forwarding request information;
Solicited message sending module, for call forwarding request information is sent to target terminal, so that target terminal reads the call diversion mark in call forwarding request information, judge whether call diversion mark is correct, if, read the address of the target terminal in call forwarding request information, judge that whether the address of described target terminal is correct, if, read the transfer address mark in call forwarding request information, relay terminal address is set according to described transfer address mark, and arranges and send call diversion success response information;
Response message receiver module, sets up call diversion for receipt of call switching success response information;
When described transfer address mark is call diversion address for identifying former terminal address, described target terminal arranges relay terminal address according to described transfer address mark and comprises:
Target terminal reads the address of the requesting terminal in call forwarding request information;
The address of requesting terminal is set to relay terminal address;
Or,
When described transfer address mark carries out the number of call diversion for identifying third party's terminal, described target terminal arranges relay terminal address according to described transfer address mark and comprises:
Target terminal reads at least one the carried terminal address in call forwarding request information;
At least one carried terminal address is set to relay terminal address.
6. terminal according to claim 5, is characterized in that, described terminal comprises further:
Timing module, for arranging call forwarding request information and carrying out timing after being sent to target terminal, when timing time exceedes predetermined threshold value, send triggering signal to solicited message sending module, described triggering signal trigger request information sending module resends call forwarding request information.
7. realize a target terminal for call diversion, it is characterized in that, described terminal comprises:
Solicited message receiver module, for receipt of call transfer-request information, described call forwarding request information is that calling out set when accessing abnormal and sending appears in requesting terminal;
Call diversion mark judge module, for judging that whether call diversion mark is correct, if so, reads the address of the target terminal in call forwarding request information;
Destination terminal addresses judge module, whether correct for judging the address of described target terminal, if so, read the transfer address mark in call forwarding request information;
Relay terminal address arranges module, for arranging relay terminal address according to described transfer address mark;
Switching response message arranges module, for when the address of described target terminal is correct, arranges call diversion success response information;
Switching response message sending module, for call diversion success response information is sent to requesting terminal, so that requesting terminal receipt of call switching success response information sets up call diversion;
When described transfer address mark is call diversion address for identifying former terminal address, described relay terminal address arranges module and specifically comprises:
First address read module, for reading the address of the requesting terminal in call forwarding request information;
First address arranges module, and the address of requesting terminal is set to relay terminal address;
Or,
When described transfer address mark carries out the number of call diversion for identifying third party's terminal, described relay terminal address arranges module and specifically comprises:
Second address read module, for reading at least one the carried terminal address in call forwarding request information;
Second address arranges module, and at least one carried terminal address is set to relay terminal address.
8. terminal according to claim 7, is characterized in that, described terminal comprises further:
Authorization message judge module, time correct for destination address, reads the authorization message in call forwarding request information, judges that whether authorization message is correct, if so, arranges relay terminal address according to described transfer address mark;
Switching response message arranges module, for when authorization message is correct, arranges call diversion success response information.
9. realize the requesting terminal that call diversion is cancelled, it is characterized in that, described terminal comprises:
Cancellation information arranges module, when accessing normal for recovering to call out, arranging call diversion and cancelling information;
Cancel information sending module, target terminal is sent to for call diversion is cancelled information, so that mark is cancelled in the switching that target terminal reads in call diversion cancellation information, judge whether mark is cancelled in switching correct, if, read the address of the target terminal in call diversion cancellation information, judge that whether the address of described target terminal is correct, if, read the cancellation address designation in call diversion cancellation information, remove relay terminal address according to described cancellation address designation, and arrange and send call diversion cancellation successful information;
Cancelling successful information receiver module, cancelling call diversion for cancelling successful information according to call diversion;
When described cancellation address designation is call diversion address for identification sources terminal address, described target terminal removes relay terminal address according to described cancellation address designation and comprises:
Target terminal reads the address of the requesting terminal in call diversion cancellation information;
The address of described request terminal is removed from the relay terminal address arranged;
Or,
When described cancellation address designation carries out the number of call diversion for identifying third party's terminal, described target terminal arranges relay terminal address according to described cancellation address designation and comprises:
Target terminal reads at least one the carried terminal address in call diversion cancellation information;
At least one carried terminal address described is removed from the relay terminal address arranged.
10. realize the target terminal that call diversion is cancelled, it is characterized in that, described terminal comprises:
Cancellation information receiving module, for receipt of call switching cancellation information, it is that requesting terminal is recovered set when calling accesses normal and sends that described call diversion cancels information;
Whether mark judge module is cancelled in switching, correct for judging that mark is cancelled in switching, if so, reads the address of the target terminal in call diversion cancellation information;
Address judgment module, whether correct for judging the address of described target terminal, if so, read the cancellation address designation in call diversion cancellation information;
Remove module, for removing relay terminal address according to described cancellation address designation;
Cancel successful information and module is set, for when described destination terminal addresses is correct, call diversion is set and cancels successful information;
Cancel successful information sending module, be sent to requesting terminal for call diversion is cancelled successful information, so that successful information is cancelled in receipt of call switching in requesting terminal cancel call diversion;
When described cancellation address designation is call diversion address for identification sources terminal address, described target terminal removes relay terminal address according to described cancellation address designation and comprises:
Target terminal reads the address of the requesting terminal in call diversion cancellation information;
The address of described request terminal is removed from the relay terminal address arranged;
Or,
When described cancellation address designation carries out the number of call diversion for identifying third party's terminal, described target terminal arranges relay terminal address according to described cancellation address designation and comprises:
Target terminal reads at least one the carried terminal address in call diversion cancellation information;
At least one carried terminal address described is removed from the relay terminal address arranged.
11. 1 kinds of systems realizing call diversion, it is characterized in that, described system comprises:
Requesting terminal described in claim 5-6 any one and the target terminal described in claim 7-8 any one;
Or
Requesting terminal according to claim 9 and target terminal according to claim 10.
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| CN106254674B (en) * | 2016-09-06 | 2019-08-06 | Oppo广东移动通信有限公司 | A kind of method and device for opening calls transfer |
| CN108990098B (en) * | 2017-06-05 | 2021-09-24 | 成都鼎桥通信技术有限公司 | Retransmission method in cluster system |
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| CN101150631A (en) * | 2007-09-20 | 2008-03-26 | 华为技术有限公司 | A method and device for setting call forward |
| CN101360342A (en) * | 2008-09-04 | 2009-02-04 | 深圳华为通信技术有限公司 | Terminal and call switching service customizing method and server |
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| CN1481135A (en) * | 2002-09-04 | 2004-03-10 | 英华达(上海)电子有限公司 | Method for call tansfering short message |
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