CN101489003B - System and method for implementing voice call forwarding through data network - Google Patents
System and method for implementing voice call forwarding through data network Download PDFInfo
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- CN101489003B CN101489003B CN2009100782313A CN200910078231A CN101489003B CN 101489003 B CN101489003 B CN 101489003B CN 2009100782313 A CN2009100782313 A CN 2009100782313A CN 200910078231 A CN200910078231 A CN 200910078231A CN 101489003 B CN101489003 B CN 101489003B
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Abstract
The invention provides a system and method for realizing voice call transfer through a data network, in which the internet VOIP technical involution is applied to the call transfer service of telecommunication, thereby effectively reducing the voice call transfer communication fee, and providing technical solution for telecom operators to introduce voice call transfer service based on VOIP.
Description
Technical field
The present invention relates to telecommunication technology field and Internet communication technical field, particularly a kind of system and method for realizing voice call transfer by data network.
Background technology
At present field of telecommunications, professional people's the communication process of giving of voice call transfer has brought convenience.For fixed-line phone service, the fixed telecommunication communication network is supported three types voice call transfer business: unconditional call forwarding, the busy calling transfer of chance, no-reply call are shifted.For mobile telephone service, communication network is supported four types voice call transfer business: unconditional call forwarding, the busy calling transfer of chance, no-reply call are shifted, the shutdown calling transfer.
The process that telecommunication user is provided with the voice call transfer business is: described user selects certain type call transfer service, described user's telephone number calling is set then transfers to the purpose telephone number.
The defective of voice call transfer is at present: if telecommunication user is called out its telephone number A the telephone number B outside the ownership place of transferring to described telephone number, then after described calling transfer took place, described telecommunication user will be paid the toll message expense of its telephone number A to telephone number B.
For providing better service to telecommunication user, the inventor thinks and is necessary to adopt the VOIP technology to reduce user's calling transfer rate, described VOIP is the abbreviation of Voice over Internet Protocol, promptly the form of sound signal with packet is transmitted immediately by the IP data network.
Summary of the invention
In view of this, the object of the present invention is to provide and a kind ofly realize the system and method for voice call transfer by data network, thereby realize saving the calling transfer call rate or rationally utilizing the function of the communication resource by VOIP, technology realizes comprising:
Telecommunication user is provided with the step of VOIP calling transfer, and promptly described user is provided with call transfer service in communication network, and the purpose telephone number is set to the VOIP calling transfer voice access code by described telecommunication network operators distribution; Described user is provided with the purpose telephone number b of the calling transfer of its telephone number a correspondence in VOIP call forwarding server.VOIP call forwarding server is finished the step of VOIP calling transfer, be that switch in the communication network is proceeding to VOIP call forwarding server to the audio call of described VOIP calling transfer voice access code, VOIP call forwarding server retrieves the mailing address of calling transfer purpose telephone number b and purpose VOIP call forwarding server C according to the original called phone number a of described calling, the VOIP call forwarding server C of described call proceeding to described telephone number b ownership place, VOIP call forwarding server C arrives described telephone number b to described call proceeding by described communication network by VOIP.
Series technical project of the present invention is as follows:
A kind of VOIP call forwarding server, comprise data bank service unit, media gateway business unit and interface unit, it is characterized in that, the data bank service unit is used to set up the correspondence table of the purpose telephone number of VOIP calling transfer user's telephone number and calling transfer, sets up the correspondence table of mailing address of the VOIP call forwarding server of calling transfer purpose telephone number and its ownership; Described media gateway business unit has medium gateway function, and call matches function, described call matches function is meant according to the original called phone number E in the initial call message that receives and retrieves the purpose telephone number F of calling transfer and the mailing address of the purpose VOIP call forwarding server that described purpose telephone number F belongs to from described data bank service unit, by VOIP described purpose VOIP call forwarding server is arrived in described call proceeding, described purpose VOIP call forwarding server arrives described purpose telephone number F to described call proceeding by communication network; Described interface unit is used to realize the interface with communication network, and the interface of realization and IP data network.
Described VOIP call forwarding server, further comprise VLR Visitor Location Register VLR business unit, mobile services switching centre MSC business unit and enhanced media gateway service unit, described VLR Visitor Location Register VLR business unit is used to realize the VLR function of mobile communication; Described mobile services switching centre MSC business unit is used to realize the MSC function of mobile communication; Described enhanced media gateway service unit has medium gateway function, and mobile service triggers function and diverting call function; It is when receiving initial call message that described mobile service triggers function, parse the original called mobile phones number in the described message related to calls, attaching position register HLR under described Mobile Directory Number sends location update message, the roaming position of described Mobile Directory Number is registered as the address of the VOIP call forwarding server of described Mobile Directory Number ownership; Described diverting call function is meant the original called mobile phones number of determining coupling according to the called phone number in the initial call message that receives from described mobile services switching centre MSC business unit, retrieve the mailing address of the purpose VOIP call forwarding server of the purpose telephone number of calling transfer of described original called mobile phones number correspondence and described purpose telephone number ownership from the data bank service unit, by VOIP described purpose VOIP call forwarding server is arrived in described call proceeding, described purpose VOIP call forwarding server arrives described purpose telephone number to described call proceeding by communication network.
A kind of system by data network realization voice call transfer is characterized in that, comprises telephone terminal, VOIP call forwarding server; Described telephone terminal is by communication network and VOIP call forwarding server interconnect, is used to realize the information interaction between VOIP call forwarding server and the telephone terminal; By IP data network interconnection, be used to realize the VOIP communication process between the VOIP call forwarding server between the VOIP call forwarding server; Described communication network is used for VOIP call forwarding server is arrived in the call proceeding to VOIP call forwarding voice access code.
A kind of method to set up by data network realization voice call transfer is characterized in that, may further comprise the steps:
The user is provided with call transfer service in communication network, the purpose telephone number is set to VOIP call forwarding voice access code, and the purpose telephone number of the calling transfer of described subscriber directory number correspondence is set in VOIP call forwarding server;
VOIP call forwarding server is set up the telephone number service table for each VOIP call forwarding server, and described telephone number service table comprises the IP address field of VOIP call forwarding server, port number field, telephone number prefix field.
A kind of direct method by data network realization voice call transfer is characterized in that, may further comprise the steps:
A. communication network is routed to VOIP call forwarding server to the initial call to VOIP call forwarding voice access code;
B.VOIP call forwarding server is according to the purpose telephone number of the original called phone number retrieval calling transfer in the described message related to calls;
C. if there is no, then VOIP call forwarding server sends terminated call message behind described communication network, execution in step G;
D.VOIP call forwarding server retrieves goes out the mailing address of the purpose VOIP call forwarding server of described purpose telephone number ownership;
E.VOIP call forwarding server arrives described purpose VOIP call forwarding server to described call proceeding by VOIP;
F. described purpose VOIP call forwarding server arrives described purpose telephone number to described call proceeding by communication network;
G.VOIP call forwarding server is finished follow-up standard media gateway handshaking procedure.
Described step B comprises: if retrieve the purpose telephone number, judge further that then whether having called number on VOIP call forwarding server is the calling of described purpose telephone number, if then result for retrieval is set to not exist.
A kind of mobile triggering method by data network realization voice call transfer is characterized in that, may further comprise the steps:
A. communication network is routed to VOIP call forwarding server to the initial call that shifts access code to the shutdown of VOIP call forwarding;
Attaching position register HLR under the original called mobile phones number of b.VOIP call forwarding server in described initial call sends location update message, the roaming position of described Mobile Directory Number is registered as the address of the VOIP call forwarding server of described Mobile Directory Number ownership;
C.VOIP call forwarding server sends terminated call message to described communication network, finishes follow-up standard switchboard handshaking procedure.
Before step a, the mobile phone user sets in advance the shutdown calling and transfers to VOIP call forwarding shutdown transfer access code.
A kind of indirect method by data network realization voice call transfer is characterized in that, may further comprise the steps:
(A) VOIP call forwarding server receives the order that Provides Roaming Number, and distributes a roaming number of VOIP call forwarding server, and described roaming number is returned to HLR;
(B) HLR returns to described roaming number the MSC that makes a call;
(C) MSC is routed to VOIP call forwarding server calling out through communication network;
(D) VOIP call forwarding server if there is not the number of coupling, then sends terminated call message to described communication network, execution in step (J) according to the original called mobile phones number of the retrieval of the called phone number in the initial call message that receives coupling;
(E) the purpose telephone number of the calling transfer of the described original called mobile phones number correspondence of VOIP call forwarding server retrieves;
(F) if there is no, then VOIP call forwarding server sends terminated call message to described communication network, execution in step (J);
(G) VOIP call forwarding server retrieves goes out the mailing address of the purpose VOIP call forwarding server of described purpose telephone number ownership;
(H) VOIP call forwarding server arrives described purpose VOIP call forwarding server to described call proceeding by VOIP;
(I) described purpose VOIP call forwarding server arrives described purpose telephone number to described call proceeding by communication network;
(J) VOIP call forwarding server is finished follow-up standard media gateway handshaking procedure.
Described step (E) comprising: if retrieve the purpose telephone number, judge further that then whether having called number on VOIP call forwarding server is the calling of described purpose telephone number, if then result for retrieval is set to not exist.
Technique effect of the present invention is as follows:
Realize the system and method for voice call transfer by data network, the Internet VOIP technological innovation is applied in the call transfer service of telecommunications, reached the purpose of effective reduction voice call transfer communication expense, the voice call transfer business of releasing based on VOIP for telecom operators provides technical solution.
Description of drawings
Fig. 1 is the logical construction schematic diagram of VOIP call forwarding server 100 of the present invention.
Fig. 2 is the logical construction schematic diagram that the present invention expands VOIP call forwarding server 100.
Fig. 3 is a system construction drawing of the invention process.
Embodiment
Consult Fig. 1, the logical construction schematic diagram of VOIP call forwarding server 100 of the present invention comprises:
Media gateway business unit 21 is used to realize the media gateway business;
Data bank service unit 22 is used to provide database service.
A kind of VOIP call forwarding server, comprise data bank service unit 22, media gateway business unit 21 and interface unit 20, it is characterized in that, data bank service unit 22 is used to set up the correspondence table of the purpose telephone number of VOIP calling transfer user's telephone number and calling transfer, sets up the correspondence table of mailing address of the VOIP call forwarding server 100 of calling transfer purpose telephone number and its ownership; Media gateway business unit 21 has medium gateway function, and call matches function, described call matches function is meant according to the original called phone number E in the initial call message that receives and retrieves the purpose telephone number F of calling transfer and the mailing address of the purpose VOIP call forwarding server 100 that described purpose telephone number F belongs to from data bank service unit 22, by VOIP purpose VOIP call forwarding server 100 is arrived in described call proceeding, purpose VOIP call forwarding server 100 arrives described purpose telephone number F to described call proceeding by communication network; Interface realizes that unit 20 is used to realize the interface with communication network, and the interface of realization and IP data network.
Consult Fig. 2, the present invention expands the logical construction schematic diagram of VOIP call forwarding server 100, comprising:
Strengthen media gateway business unit 21 and be used to realize the media gateway business;
Data bank service unit 22 is used to provide database service;
VLR Visitor Location Register VLR business unit is used to realize the function of the VLR of mobile communication;
Mobile services switching centre MSC business unit is used to realize the function of the MSC of mobile communication.
Strengthen VOIP call forwarding server 100, increased VLR Visitor Location Register VLR business unit 23, mobile services switching centre MSC business unit 24 and enhanced media gateway service unit 21 on the basis of VOIP call forwarding server, VLR Visitor Location Register VLR business unit 23 is used to realize the VLR function of mobile communication; Mobile services switching centre MSC business unit 24 is used to realize the MSC function of mobile communication; Enhanced media gateway service unit 21 has medium gateway function, and mobile service triggers function and diverting call function; It is when receiving initial call message that described mobile service triggers function, parse the original called mobile phones number in the described message related to calls, attaching position register HLR under described Mobile Directory Number sends location update message, the roaming position of described Mobile Directory Number is registered as the address of the VOIP call forwarding server 100 of described Mobile Directory Number ownership; Described diverting call function is meant the original called mobile phones number of determining coupling according to the called phone number in the initial call message that receives from mobile services switching centre MSC business unit 24, retrieve the mailing address of the purpose VOIP call forwarding server 100 of the purpose telephone number of calling transfer of described original called mobile phones number correspondence and described purpose telephone number ownership from data bank service unit 22, by VOIP purpose VOIP call forwarding server 100 is arrived in described call proceeding, purpose VOIP call forwarding server 100 arrives described purpose telephone number to described call proceeding by communication network.
Consulting Fig. 3, is system construction drawing of the invention process, wherein,
Connect by IP data network 110 between the VOIP call forwarding server 100, adopt the message content of agreement form to communicate, preferably, adopt Session Initiation Protocol;
The logic of setting up signaling link by communication network 130 between VOIP call forwarding server 100 and the attaching position register HLR120 is connected, and adopts the signalling system No.7 agreement to communicate;
The logic of setting up voice link by communication network 130 between VOIP call forwarding server 100 and the mobile services switching centre MSC140 is connected;
Mobile telephone terminal 160 connects by mobile telephone exchange network and mobile services switching centre MSC140, and communication protocol adopts the MAP MAP of signalling system No.7;
The logic of setting up signaling link by communication network 130 between mobile services switching centre MSC140 and the attaching position register HLR120 is connected, and adopts the signalling system No.7 agreement to communicate;
The logic of setting up voice link by communication network 130 between telephone terminal 150 and the VOIP call forwarding server 100 is connected.
System by data network realization voice call transfer comprises telephone terminal 150, VOIP call forwarding server 100; Telephone terminal 150 is by communication network 130 and 100 interconnection of VOIP call forwarding server, is used to realize the information interaction between VOIP call forwarding server 100 and the telephone terminal 150; By IP data network 110 interconnection, be used to realize the VOIP communication process between the VOIP call forwarding server 100 between the VOIP call forwarding server 100; Communication network 130 is used for VOIP call forwarding server 100 is arrived in the call proceeding to VOIP call forwarding voice access code.
A kind of method to set up by data network realization voice call transfer may further comprise the steps:
The user is provided with call transfer service in communication network, the purpose telephone number is set to VOIP call forwarding voice access code, and the purpose telephone number of the calling transfer of described subscriber directory number correspondence is set in VOIP call forwarding server 100;
VOIP call forwarding server 100 is set up the telephone number service table for each VOIP call forwarding server, and described telephone number service table comprises the IP address field of VOIP call forwarding server, port number field, telephone number prefix field.
A kind of direct method by data network realization voice call transfer may further comprise the steps:
A. communication network 130 is routed to VOIP call forwarding server 100 to the initial call to VOIP call forwarding voice access code;
B.VOIP call forwarding server 100 is according to the purpose telephone number of the original called phone number retrieval calling transfer in the described message related to calls;
C. if there is no, then VOIP call forwarding server 100 sends terminated call message behind communication network 130, execution in step G;
D.VOIP call forwarding server 100 retrieves the mailing address of the purpose VOIP call forwarding server of described purpose telephone number ownership;
E.VOIP call forwarding server 100 arrives described purpose VOIP call forwarding server to described call proceeding by VOIP;
F. described purpose VOIP call forwarding server arrives described purpose telephone number to described call proceeding by communication network 130;
G.VOIP call forwarding server 100 is finished follow-up standard media gateway handshaking procedure.
Wherein, described step B further comprises: if retrieve the purpose telephone number, judge further that then whether having called number on VOIP call forwarding server is the calling of described purpose telephone number, if then result for retrieval is set to not exist.
A kind of mobile triggering method by data network realization voice call transfer may further comprise the steps:
A. communication network 130 is routed to VOIP call forwarding server 100 to the initial call that shifts access code to the shutdown of VOIP call forwarding;
Attaching position register HLR120 under the original called mobile phones number of b.VOIP call forwarding server 100 in described message related to calls sends location update message, the roaming position of described Mobile Directory Number is registered as the address of the VOIP call forwarding server 100 of described Mobile Directory Number ownership;
C.VOIP call forwarding server 100 sends terminated call message to communication network 130, finishes follow-up standard switchboard handshaking procedure.
Wherein, before step a, the mobile phone user sets in advance the shutdown calling and transfers to VOIP call forwarding shutdown transfer access code.
A kind of indirect method by data network realization voice call transfer may further comprise the steps:
(A) VOIP call forwarding server 100 receives the order that Provides Roaming Number, and distributes a roaming number of VOIP call forwarding server 100, and described roaming number is returned to attaching position register HLR120;
(B) attaching position register HLR120 returns to described roaming number the mobile services switching centre MSC140 that makes a call;
(C) mobile services switching centre MSC140 is routed to VOIP call forwarding server 100 calling out through communication network 130;
(D) VOIP call forwarding server 100 is according to the original called mobile phones number of the retrieval of the called phone number in the initial call message that receives coupling, if there is not the number of coupling, then send terminated call message to communication network 130, execution in step (J);
(E) the purpose telephone number of the calling transfer of the described original called mobile phones number correspondence of VOIP call forwarding server 100 retrievals;
(F) if there is no, then VOIP call forwarding server 100 sends terminated call message to communication network 130, execution in step (J);
(G) VOIP call forwarding server 100 retrieves the mailing address of the purpose VOIP call forwarding server of described purpose telephone number ownership;
(H) VOIP call forwarding server 100 arrives described purpose VOIP call forwarding server to described call proceeding by VOIP;
(I) purpose VOIP call forwarding server arrives described purpose telephone number to described call proceeding by communication network 130;
(J) VOIP call forwarding server 100 is finished follow-up standard media gateway handshaking procedure.
Wherein, described step (E) further comprises: if retrieve the purpose telephone number, judge further that then whether having called number on VOIP call forwarding server 100 is the calling of described purpose telephone number, if then result for retrieval is set to not exist.
For the ease of further understanding the present invention, be described in detail below in conjunction with specific embodiment.
Embodiment one realizes on global system for mobile communications GSM network, wherein, following condition is set:
1.VOIP call forwarding voice access code is 4003001234;
2.VOIP it is 4004001234 that access code is shifted in the call forwarding shutdown;
3.VOIP the GT of call forwarding server 100 is 13900167;
4.VOIP the MSRN of call forwarding server 100 is 13700123;
5. Mobile Directory Number 13701291234 is provided with the no-reply call transfer, and the destination Mobile Station International ISDN Number of calling transfer is 4003001234; The calling transfer destination Mobile Station International ISDN Number that is provided with VOIP on VOIP call forwarding server 100 is 13706311234;
6. Mobile Directory Number 13701291234 is provided with the shutdown calling transfer, and the destination Mobile Station International ISDN Number of calling transfer is 4004001234; The calling transfer destination Mobile Station International ISDN Number that is provided with VOIP on VOIP call forwarding server 100 is 13705311234;
7. communication network 130 arrives VOIP call forwarding server 100 to the initial speech call proceeding to number 4003001234;
8. communication network 130 arrives VOIP call forwarding server 100 to the initial speech call proceeding to number 4004001234;
9. communication network 130 arrives VOIP call forwarding server 100 to the initial speech call proceeding that to prefix is 13700123 number;
10. communication network 130 sends to VOIP call forwarding server 100 to the SCCP message that to the GT address is 13900167.
Realize the method to set up of voice call transfer by data network: the user is provided with call transfer service in communication network 130, the purpose telephone number is set to 4003001234, and the purpose telephone number of the calling transfer of described subscriber directory number correspondence is set in VOIP call forwarding server 100;
VOIP call forwarding server 100 is set up the telephone number service table for each VOIP call forwarding server, and described telephone number service table comprises the IP address field of VOIP call forwarding server, port number field, telephone number prefix field.
With Mobile Directory Number 13701291234 no responses is example, realizes the step of voice call transfer by data network:
(a) communication network 130 sends to VOIP call forwarding server 100 to the initial call IAM message to 4003001234;
(b) VOIP call forwarding server 100 is 13706311234 according to the purpose telephone number that the original called phone number 13701291234 in the IAM initial call message retrieves calling transfer;
(c) VOIP call forwarding server 100 retrieves the mailing address (supposition IP address is 211.97.170.28, and port numbers is 8800) of the purpose VOIP call forwarding server of telephone number 13706311234 ownership;
(d) VOIP call forwarding server 100 is described call proceeding the purpose VOIP call forwarding server R of 211.97.170.28:8800 to the address by Session Initiation Protocol;
(e) purpose VOIP call forwarding server R is routed to telephone number 13706311234 to described calling by IAM message by communication network 130;
(f) VOIP call forwarding server 100 is finished follow-up standard media gateway handshaking procedure with purpose VOIP call forwarding server R.
With Mobile Directory Number 13701291234 shutdown is example, realizes the mobile triggering step of voice call transfer by data network:
One, communication network 130 sends to VOIP call forwarding server 100 to the initial call IAM message to 4004001234;
Two, the attaching position register HLR120 under the original called mobile phones number 13701291234 of VOIP call forwarding server 100 in described IAM initial call message sends position renewal UpdateLocation message, the roaming position of described Mobile Directory Number is registered as the GT address 13900167 of the VOIP call forwarding server 100 of described Mobile Directory Number ownership;
Three, VOIP call forwarding server 100 sends terminated call message to communication network 130, finishes follow-up standard switchboard handshaking procedure.
By above-mentioned mobile triggering step,, realize the indirected step of voice call transfer by data network to Mobile Directory Number 13701291234:
(1) VOIP call forwarding server 100 receives the ProvideRoamingNumber order that Provides Roaming Number, a roaming number (being assumed to 13900167001) that distributes VOIP call forwarding server 100, and roaming number 13900167001 returned to attaching position register HLR120;
(2) attaching position register HLR120 returns to roaming number 13900167001 the mobile services switching centre MSC140 that makes a call;
(3) mobile services switching centre MSC140 is called number that 13900167001 initial call message IAM sends to VOIP call forwarding server 100 through communication network 130;
(4) VOIP call forwarding server 100 is according to the original called mobile phones number 13701291234 of the 13900167001 retrieval couplings of the called phone number among the initial call message IAM that receives;
(5) VOIP call forwarding server 100 retrieves the purpose telephone number 13705311234 of the calling transfer of original called mobile phones number 13701291234 correspondences;
(6) VOIP call forwarding server 100 retrieves the mailing address (supposition IP address is 211.97.270.28, and port numbers is 8800) of the purpose VOIP call forwarding server of purpose telephone number 13705311234 ownership;
(7) VOIP call forwarding server 100 is described call proceeding the purpose VOIP call forwarding server T of 211.97.270.28:8800 to the address by Session Initiation Protocol;
(8) purpose VOIP call forwarding server T arrives purpose telephone number 13705311234 to described call proceeding by communication network 130;
(9) VOIP call forwarding server 100 is finished follow-up standard media gateway handshaking procedure with purpose VOIP call forwarding server T.
Above embodiment one equally also is applicable to the Code Division Multiple Access (CDMA) network system, does not repeat them here.
Above-described examples of implementation only are preferred implementations of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also make some improvement, combination and retouching, these improvement, combination and retouching also should be considered as protection scope of the present invention.
Claims (9)
1. VOIP call forwarding server, comprise data bank service unit, media gateway business unit and interface unit, it is characterized in that, the data bank service unit is used to set up the correspondence table of the purpose telephone number of VOIP calling transfer user's telephone number and calling transfer, sets up the correspondence table of mailing address of the VOIP call forwarding server of calling transfer purpose telephone number and its ownership; Described media gateway business unit has medium gateway function, and call matches function, described call matches function is meant according to the original called phone number E in the initial call message that receives and retrieves the purpose telephone number F of calling transfer and the mailing address of the purpose VOIP call forwarding server that described purpose telephone number F belongs to from described data bank service unit, by VOIP described purpose VOIP call forwarding server is arrived in described call proceeding, described purpose VOIP call forwarding server arrives described purpose telephone number F to described call proceeding by communication network; Described interface unit is used to realize the interface with communication network, and the interface of realization and IP data network;
Described VOIP call forwarding server also comprises VLR Visitor Location Register VLR business unit, mobile services switching centre MSC business unit and enhanced media gateway service unit, and described VLR Visitor Location Register VLR business unit is used to realize the VLR function of mobile communication; Described mobile services switching centre MSC business unit is used to realize the MSC function of mobile communication; Described enhanced media gateway service unit has medium gateway function, and mobile service triggers function and diverting call function; It is when receiving initial call message that described mobile service triggers function, parse the original called mobile phones number in the described message related to calls, attaching position register HLR under described Mobile Directory Number sends location update message, the roaming position of described Mobile Directory Number is registered as the address of the VOIP call forwarding server of described Mobile Directory Number ownership; Described diverting call function is meant the original called mobile phones number of determining coupling according to the called phone number in the initial call message that receives from described mobile services switching centre MSC business unit, retrieve the mailing address of the purpose VOIP call forwarding server of the purpose telephone number of calling transfer of described original called mobile phones number correspondence and described purpose telephone number ownership from the data bank service unit, by VOIP described purpose VOIP call forwarding server is arrived in described call proceeding, described purpose VOIP call forwarding server arrives described purpose telephone number to described call proceeding by communication network.
2. the system by data network realization voice call transfer is characterized in that, comprises telephone terminal, VOIP call forwarding server; Described telephone terminal is by communication network and VOIP call forwarding server interconnect, is used to realize the information interaction between VOIP call forwarding server and the telephone terminal; By IP data network interconnection, be used to realize the VOIP communication process between the VOIP call forwarding server between the VOIP call forwarding server; Described communication network is used for VOIP call forwarding server is arrived in the call proceeding to VOIP call forwarding voice access code; Described VOIP call forwarding server is the described VOIP call forwarding of claim 1 server.
3. the method to set up by data network realization voice call transfer is characterized in that, may further comprise the steps:
The user is provided with call transfer service in communication network, the purpose telephone number is set to VOIP call forwarding voice access code, and the purpose telephone number of the calling transfer of described subscriber directory number correspondence is set in VOIP call forwarding server;
VOIP call forwarding server is set up the telephone number service table for each VOIP call forwarding server, and described telephone number service table comprises the IP address field of VOIP call forwarding server, port number field, telephone number prefix field;
Described VOIP call forwarding server is the described VOIP call forwarding of claim 1 server.
4. the direct method by data network realization voice call transfer is characterized in that, comprises and utilizes the performed following steps of the described VOIP call forwarding of claim 1 server:
A. communication network is routed to VOIP call forwarding server to the initial call to VOIP call forwarding voice access code;
B.VOIP call forwarding server is according to the purpose telephone number of the original called phone number retrieval calling transfer in the described message related to calls;
C. if there is no, then VOIP call forwarding server sends terminated call message behind described communication network, execution in step G;
D.VOIP call forwarding server retrieves goes out the mailing address of the purpose VOIP call forwarding server of described purpose telephone number ownership;
E.VOIP call forwarding server arrives described purpose VOIP call forwarding server to described call proceeding by VOIP;
F. described purpose VOIP call forwarding server arrives described purpose telephone number to described call proceeding by communication network;
G.VOIP call forwarding server is finished follow-up standard media gateway handshaking procedure.
5. the direct method that realizes voice call transfer by data network according to claim 4, it is characterized in that, described step B comprises: if retrieve the purpose telephone number, judge further that then whether having called number on VOIP call forwarding server is the calling of described purpose telephone number, if then result for retrieval is set to not exist.
6. the mobile triggering method by data network realization voice call transfer is characterized in that, may further comprise the steps:
A. communication network is routed to VOIP call forwarding server described in claim 1 to the initial call to VOIP call forwarding shutdown transfer access code;
Attaching position register HLR under the original called mobile phones number of b.VOIP call forwarding server in described initial call sends location update message, the roaming position of described Mobile Directory Number is registered as the address of the VOIP call forwarding server of described Mobile Directory Number ownership;
C. the VOIP call forwarding server among the step a sends terminated call message to described communication network, finishes follow-up standard switchboard handshaking procedure.
7. the mobile triggering method by data network realization voice call transfer according to claim 6 is characterized in that, before step a, the mobile phone user sets in advance the shutdown calling and transfers to VOIP call forwarding shutdown transfer access code.
8. the indirect method by data network realization voice call transfer is characterized in that, may further comprise the steps:
(A) the VOIP call forwarding server described in claim 1 receives the order that Provides Roaming Number, and distributes a roaming number of VOIP call forwarding server, and described roaming number is returned to HLR;
(B) HLR returns to described roaming number the MSC that makes a call;
(C) MSC is routed to VOIP call forwarding server calling out through communication network;
(D) VOIP call forwarding server if there is not the number of coupling, then sends terminated call message to described communication network, execution in step (J) according to the original called mobile phones number of the retrieval of the called phone number in the initial call message that receives coupling;
(E) the purpose telephone number of the calling transfer of the described original called mobile phones number correspondence of VOIP call forwarding server retrieves;
(F) if there is no, then VOIP call forwarding server sends terminated call message to described communication network, execution in step (J);
(G) VOIP call forwarding server retrieves goes out the mailing address of the purpose VOIP call forwarding server of described purpose telephone number ownership;
(H) VOIP call forwarding server arrives described purpose VOIP call forwarding server to described call proceeding by VOIP;
(I) described purpose VOIP call forwarding server arrives described purpose telephone number to described call proceeding by communication network;
(J) VOIP call forwarding server in the step (A) and described purpose VOIP call forwarding server are finished follow-up standard media gateway handshaking procedure.
9. the indirect method that realizes voice call transfer by data network according to claim 8, it is characterized in that, described step (E) comprising: if retrieve the purpose telephone number, judge further that then whether having called number on VOIP call forwarding server is the calling of described purpose telephone number, if then result for retrieval is set to not exist.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100782313A CN101489003B (en) | 2009-02-23 | 2009-02-23 | System and method for implementing voice call forwarding through data network |
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| CN2009100782313A CN101489003B (en) | 2009-02-23 | 2009-02-23 | System and method for implementing voice call forwarding through data network |
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| CN101489003A CN101489003A (en) | 2009-07-22 |
| CN101489003B true CN101489003B (en) | 2011-06-22 |
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| CN102711069B (en) * | 2012-05-28 | 2015-11-11 | 陈文凯 | Realize a method for cross operator business continuance, Apparatus and system |
| CN105379320A (en) * | 2013-05-13 | 2016-03-02 | 胡安雄 | Method of and system for enacting digital communication for mobile subscriber |
| CN104703156B (en) * | 2013-12-10 | 2018-08-07 | 李建华 | International roaming speech business method of calling |
| CN106161817B (en) * | 2015-04-16 | 2020-01-21 | 李明 | Communication method and communication system based on VOIP platform |
| CN105228117A (en) * | 2015-09-14 | 2016-01-06 | 深圳市优友互联有限公司 | Based on low rate communication means and the device of user terminal |
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