CN102378398A - Session initiation protocol (SIP)-based cross-gateway self-switch method and gateway - Google Patents
Session initiation protocol (SIP)-based cross-gateway self-switch method and gateway Download PDFInfo
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- CN102378398A CN102378398A CN201010260164XA CN201010260164A CN102378398A CN 102378398 A CN102378398 A CN 102378398A CN 201010260164X A CN201010260164X A CN 201010260164XA CN 201010260164 A CN201010260164 A CN 201010260164A CN 102378398 A CN102378398 A CN 102378398A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
Abstract
The invention relates to a session initiation protocol (SIP)-based cross-gateway self-switch method and an SIP-based cross-gateway self-switch gateway. The method comprises the following steps of: configuring a number matching table of a related gateway for a calling gateway; and when the communication between an access network in which the calling gateway is positioned and a core network is interrupted and a called number does not belong to a user of the calling gateway, performing self-switch calling service between the calling gateway and the related gateway according to the number matching table and an SIP signaling. In the gateway, cross-gateway self-switch service is configured for access networks of different manufactures at the same, once the communication between an uplink service interface of the access network and the core network is interrupted, each access gateway can switch to a self-switch state automatically, so that not only the self-switch calling service in the access network can be realized, but also the cross-gateway self-switch calling service among the access gateways can also be realized if the access gateway can communicate other gateways in a local network segment. Therefore, network resources can be utilized to the maximum and basic communication service among the gateways can be ensured.
Description
Technical field
The present invention relates to field of network communication, relate in particular to a kind of inter-network and close method and gateway from exchange based on SIP.
Background technology
At present; No matter at NGN (Next Generation Network; Next generation network) still be that the communication between Access Network and the core net is vital in IMS (IP Multimedia Subsystem, the IP multimedia system) system; In case communicating interrupt occurs, the business of user of access network provides and can not normally carry out.
A kind of guard method when the exchange technology is Access Network uplink service interface generation communicating interrupt.Behind the own exchange traffic that configures business interface, in case business interface generation communicating interrupt, system can automatically switch and get into from the exchange state.Dial the inner user of Access Network if get into the interface user of this state, can be through realizing user's basic service, for telex network provides dual assurance from the exchange mode.But when business interface generation communicating interrupt, if the business interface user dials the outside user of Access Network, then the basic service between the user can't be protected.
In the prior art; Though existing part access devices has realized the exchange function certainly that inner inter-network is closed; But because the private ownership of its interface does not promptly have versatility, such as IAD (AG) number of joining voluntarily of some producer, collect the digits and carry out the T net and continue; Make when Access Network uplink service interface and core net communicating interrupt occurring; Can't carry out between each producer's IAD realizing the communication between each IAD user, not only cause the waste of resource, and can not ensure the use of IAD user to greatest extent basic service from exchange.
Summary of the invention
Main purpose of the present invention is to provide a kind of inter-network based on SIP to close method and gateway from exchange, when Access Network and core net communicating interrupt, can realize that the inter-network pass from exchange, ensures user's between the different IADs basic communication service.
The present invention proposes a kind of inter-network based on application layer signaling control protocol SIP and closes the method from exchange, may further comprise the steps:
Numbers match table for caller gateway configuration associated gateway;
Access Network and core net communicating interrupt when said caller gateway place, and called number carries out the call business of exchange certainly between said caller gateway and associated gateway according to said numbers match table and through the SIP signaling when not belonging to this caller gateway user.
Preferably, saidly specifically comprise according to the numbers match table and the step that exchanges call business certainly of carrying out between said caller gateway and associated gateway through the SIP signaling:
From said numbers match table, search associated gateway with said called number coupling;
Through SIP signaling sequence or the parallel request of making a call of the associated gateway to said coupling;
Receive the response message of the associated gateway of said coupling according to said call request feedback; Said response message comprises: mate called successful respond message or mate called failure response message;
According to said response message, between the associated gateway of said caller gateway and said coupling, carry out call proceeding, accomplish the calling and called conversation; Perhaps, discharge this calling for the calling subscriber.
Preferably, said step of from the numbers match table, searching the associated gateway of mating with said called number also comprises afterwards:
If all associated gateway all do not match with said called number, then discharge this calling for said calling subscriber.
Preferably, said according to response message, the step of between the associated gateway of said caller gateway and said coupling, carrying out call proceeding also comprises before:
Associated gateway triplicate to not feeding back said response message is in the given time initiated said call request, if wait timeout then discharges this calling for said calling subscriber.
Preferably, also comprise after the step of said numbers match table for caller gateway configuration associated gateway:
Access Network and core net communicating interrupt when said caller gateway place, and called number carries out call proceeding when belonging to this caller gateway user in said caller gateway, accomplish calling and called and converse.
The present invention also proposes a kind of inter-network based on SIP and closes the gateway from exchange, comprising:
Configuration module is the numbers match table of caller gateway configuration associated gateway;
From the interchange mode piece; Access Network and core net communicating interrupt when said caller gateway place; And when called number does not belong to this caller gateway user, carry out the call business of exchange certainly between said caller gateway and associated gateway according to said numbers match table and through the SIP signaling.
Preferably, saidly comprise from the interchange mode piece:
Search the unit, be used for searching the associated gateway of mating with said called number from said numbers match table;
The unit is initiated in call request, is used for through SIP signaling sequence or the parallel request of making a call of the associated gateway to said coupling;
Receiving element is used to receive the response message of the associated gateway of said coupling according to said call request feedback; Said response message comprises: mate called successful respond message or mate called failure response message;
Insert releasing unit, be used for, between the associated gateway of said caller gateway and said coupling, carry out call proceeding, accomplish the calling and called conversation according to said response message; Perhaps, discharge this calling for the calling subscriber.
Preferably, said access releasing unit also is used for when all associated gateway all do not match with said called number, for said calling subscriber discharges this calling.
Preferably; The unit is initiated in said call request; Also be used for initiating said call request, if wait timeout is that said calling subscriber discharges this calling by said access releasing unit then to the associated gateway triplicate that does not feed back said response message in the given time.
Preferably, said from the interchange mode piece, also be used for Access Network and core net communicating interrupt, and called number carries out call proceeding when belonging to this gateway user in said gateway when said gateway place, accomplish calling and called and converse.
The present invention proposes a kind of inter-network based on SIP and closes method and gateway from exchange; Numbers match table through configuration caller gateway and the associated gateway except that this caller gateway; When the Access Network at caller gateway place during with the core net communicating interrupt, each IAD can automatically switch to from the exchange state, not only can realize the call business of exchange certainly of IAD inside; If IAD can with other IAD communication in the LAN; Can also realize between each IAD that the inter-network pass exchanges call business certainly, thereby can utilize Internet resources to greatest extent, ensure the basic communication service between the gateway.
Description of drawings
Fig. 1 is that the inter-network that the present invention is based on SIP is closed the method one embodiment schematic flow sheet from exchange;
Fig. 2 is that the idiographic flow sketch map that exchanges call business certainly between caller gateway and associated gateway is carried out according to the numbers match table and through the SIP signaling in the inter-network pass that the present invention is based on SIP in method one embodiment of exchange;
Fig. 3 is that the inter-network that the present invention is based on SIP is closed another embodiment schematic flow sheet of method from exchange;
Fig. 4 is that the inter-network that the present invention is based on SIP is closed the gateway one example structure sketch map from exchange;
Fig. 5 is that the inter-network that the present invention is based on SIP is closed in gateway one embodiment of exchange from interchange mode piece concrete structure sketch map.
In order to make technical scheme of the present invention clearer, clear, will combine accompanying drawing to do further to detail below.
Embodiment
Embodiment of the invention solution mainly is through the numbers match table between configuration caller gateway and the associated gateway; When the communicating interrupt between Access Network and the core net; Can be through searching the numbers match table; From the associated gateway of coupling is that the call number of caller gateway is mated corresponding called number, realizes that inter-network closes from exchanging call business.
As shown in Figure 1, one embodiment of the invention proposes a kind of inter-network based on SIP (Session InitiationProtocol, application layer signaling control protocol) and closes the method from exchange, comprising:
Step S101 is the numbers match table of caller gateway configuration associated gateway;
In the present embodiment; The caller gateway can be the IAD that SIP communicates by letter that passes through that belongs in the same LAN with associated gateway; The present embodiment associated gateway is meant other IAD except that the caller gateway in the same LAN; In order to realize when the Access Network at caller gateway place and the core net communicating interrupt; User in this caller gateway still can carry out basic communication service with user in other gateway, and at first for other IAD of caller gateway configuration is that the concrete little directory of associated gateway is numbers match table (or number analysis), this numbers match table should be tried one's best accurately; So that called number can be unique definite or definite among a small circle in other gateways, the protocol IP address that disposes corresponding gateway simultaneously.Through this numbers match table; Can search the corresponding matching relationship of each calling subscriber calls out in the caller gateway called number and associated gateway, promptly called number can be in the associated gateway of coupling unique confirm or can a few gateway (one or more) among a small circle in definite.
Step S102, Access Network and core net communicating interrupt when caller gateway place, and called number carries out the call business of exchange certainly between caller gateway and associated gateway according to the numbers match table and through the SIP signaling when not belonging to this caller gateway user.
Core net can be core net such as IMS, NGN in the present embodiment; Access Network and core net communicating interrupt when caller gateway place; Be that uplink service interface and the communication between the core net of the Access Network at caller gateway place is when taking place to interrupt; The caller gateway judges according to called number whether this called number is this gateway user; If this called number is not the user in this caller gateway, then carries out numbers match, and can mate each (one or more) associated gateway request of making a call of this called number to other through what the SIP signaling sequence perhaps walked abreast according to above-mentioned numbers match table.The response of each associated gateway of caller gateway waits afterwards; Up to receiving from the called successful respond message of the coupling of associated gateway or mating called failure response message; Handle accordingly according to response message then, perhaps wait timeout discharges this calling for the calling subscriber.If called coupling success and called subscriber are idle, then between the associated gateway of caller gateway and coupling, carry out call proceeding, accomplish inter-network and close from exchanging call business; If called coupling failure then discharges this calling for the calling subscriber.
As shown in Figure 2, specifically comprise according to numbers match table and the call business of exchange certainly that carries out between caller gateway and associated gateway through the SIP signaling among the step S102:
Step S1021 searches the associated gateway with the called number coupling from the numbers match table;
Step S1022 is through SIP signaling sequence or the parallel associated gateway request of making a call to coupling;
In the present embodiment; Communicate by letter through the SIP signaling between each IAD; If be the serial communication pattern between caller gateway and the associated gateway; Then can be through the SIP signaling successively to the request of making a call of the associated gateway that can mate, up to can confirming called number place associated gateway, or all associated gateway all do not have this called number.If between caller gateway and the associated gateway be the parallel communications pattern, then the caller gateway is simultaneously to the request of making a call of the associated gateway that can mate, and waits for the response of the associated gateway of each coupling.
Step S1023 receives the response message of the associated gateway of coupling according to the call request feedback;
When the associated gateway of each coupling is received the call request of caller gateway; Carry out the coupling of called number separately; To caller gateway feeding back response information, this response message comprises according to matching result: mate called successful respond message or mate called failure response message.
If in the given time, the associated gateway of coupling is feeding back response information not, and then the caller gateway can as if wait timeout, then discharge this calling to the calling subscriber to not the making a call request of associated gateway triplicate of feedback.
Step S1024 according to response message, carries out call proceeding between the associated gateway of caller gateway and coupling, accomplish the calling and called conversation; Perhaps, discharge this calling for the calling subscriber.
In the present embodiment, after step S1021, also comprise:
Step S1025 if all associated gateway all do not match with called number, then discharges this calling for the calling subscriber.
When present embodiment occurs interrupting when communication between Access Network and the core net, still can between the user, realize basic service to greatest extent, thereby make the business of user of access network provide safer guarantee with general interface.
As shown in Figure 3, another embodiment of the present invention proposes a kind of inter-network based on SIP and closes the method from exchange, comprising:
Step S301 is the numbers match table of caller gateway configuration associated gateway;
Step S302, Access Network and core net communicating interrupt when caller gateway place, and called number carries out the call business of exchange certainly between caller gateway and associated gateway according to the numbers match table and through the SIP signaling when not belonging to this caller gateway user.
Above-mentioned steps S301 and step S302 are identical with step S102 with step S101 in the foregoing description, are not described in detail at this.
Step S303, Access Network and core net communicating interrupt when caller gateway place, and called number carries out call proceeding when belonging to this caller gateway user in the caller gateway, accomplish calling and called and converse.
In the present embodiment; When the Access Network at caller gateway place and core net communicating interrupt; If the caller gateway judges that called number belongs to the user in this caller gateway in the call business, then in this caller gateway, carry out accomplishing the calling and called conversation from exchanging call business.
Be that example specifies the present embodiment method flow with the telex network between four IADs in the LAN below:
If access gateway AG 1, AG2, AG3, AG4 based on SIP are in the same network segment of local area network (LAN), the concrete little directory that each gateway configuration is removed other gateway outside the Pass the Home Network is the numbers match table, and the protocol IP address of corresponding gateway.
During initial condition, AG1, AG2, AG3, AG4 all can with the core net normal communication, carry out communication through protocol interface and equipment of the core network separately, accomplish to call out reciprocal process.
When the occurring network fault, AG1, AG2, AG3, AG4 all with the core net communicating interrupt, but communication is normal between each AG.With AG1 is example, and AG1 changes over to from the exchange state.
User's off-hook that AG1 is last, AG1 is put dialing tone for this user; Subscriber dialing; AG1 collects the digits, and carries out numbers match according to the numbers match rule.
At first, whether the called number that the AG1 judges is dialled is this gateway user, if, then close inside and directly carry out call proceeding at Home Network, accomplish the calling and called conversation, up to end of conversation, accomplish this time and call out; Otherwise if not this gateway user, then the numbers match table table with pre-configured AG2, AG3, AG4 matees, and according to the match condition of the numbers match table of called number and other each gateway, sends call request to each gateway A G that can mate.If each gateway does not all match, then directly for calling number is that the calling subscriber is put busy tone, wait for the calling number on-hook, discharge this calling.
Suppose that called this number and AG2, AG3, AG4 all mate.Be serial mode if communicate by letter between AG1 and AG2, AG3 and the AG4, then AG1 sends call request (INVITE) message to the gateway that can mate successively, and up to can confirming that called number belongs to gateway, or all gateways all do not have this number.Be parallel schema if communicate by letter between AG1 and AG2, AG3 and the AG4, then AG1 sends INVITE to all the other each gateways simultaneously.
Afterwards, AG1 waits for the response message of other gateway, in wait state, if overtime, then retransmits three INVITE to each AG that does not receive answer, does not still receive response message, thinks that then network is obstructed, discharges this time and calls out this end of calling.
After AG2, AG3 and AG4 receive INVITE, carry out the coupling of called number separately, send response message according to matching result to AG1:, then reply coupling called failure (404Not Found) message to AG1 if can not mate called number; If can mate called number, then get into the normal call flow process, reply corresponding response message according to present called subscriber condition to AG1:, then reply the 486Busy Here message that the user does to AG1 if this called subscriber is just busy; If this called subscriber is just idle, then reply 180Ringing message to AG1, the expression called subscriber is idle, and to called subscriber's ring.
Caller gateway A G1 makes handled according to the response message of each gateway feedback:
If AG1 receives the 404Not Found message that AG2 replys, know the called subscriber not on AG2, AG1 checks whether also have the dont answer gateway.If have, do not deal with, continue to wait for; Otherwise, if each gateway all replied 404Not Found message, but know that the called subscriber does not shut at all pair nets, so AG1 is that caller is piled up busy tone, wait for discharging this time after the calling number on-hook and call out this end of calling.
AG1 is if receive the 486Busy Here that AG3 replys, and knows the called subscriber on AG3 and just busy at present, and AG1 piles up busy tone to caller, waits for discharging this time after the calling number on-hook and calls out this end of calling; AG1 is known called number on AG3 if receive the 180Ringing that AG3 replys, and therefore puts ring-back tone for calling number, gets into next step.
Called subscriber's off-hook, AG3 sends OK to AG1, and the calling and called user gets into talking state, and calling number is with typing conversation on ticket, until user's on-hook.
If the calling number on-hook, AG1 sends BYE message to AG3, and will finish air time typing ticket, and AG3 receives the BYE message that AG1 sends, for the called subscriber is put busy tone.Called subscriber's on-hook discharges this time and calls out this end of calling.
If called subscriber's on-hook, AG3 sends out BYE message to AG1, and AG1 receives the BYE message that AG3 sends, and for caller is piled up busy tone, and will finish the air time and record the conversation ticket.The calling number on-hook discharges this time and calls out this end of calling.
Wherein, the conversation ticket is produced by the caller gateway, can keep in the caller gateway, also can pass to webmaster or accounting server.
Adopt the said method of the embodiment of the invention; Access Network between different manufacturers disposes inter-network simultaneously and closes own exchange traffic; In case Access Network uplink service interface and core net generation communicating interrupt, each IAD can automatically switch to from the exchange state, not only can realize the call business of exchange certainly that IAD is inner; If IAD can with other IAD communication in the LAN; Can also realize between each IAD that then the inter-network pass exchanges call business certainly, thereby can utilize Internet resources to greatest extent, ensure the basic communication service between the gateway.
As shown in Figure 4, one embodiment of the invention proposes a kind of inter-network based on SIP and closes the gateway from exchange, comprising: configuration module 401 and from interchange mode piece 402, wherein:
In the present embodiment; The caller gateway can be the IAD that SIP communicates by letter that passes through that belongs in the same LAN with associated gateway; The present embodiment associated gateway is meant other IAD except that the caller gateway in the same LAN; In order to realize when the Access Network at caller gateway place and the core net communicating interrupt; User in this caller gateway still can carry out basic communication service with user in other gateway, and at first for the caller gateway is that the concrete little directory of associated gateway is numbers match table (or number analysis) through configuration module 401 other IADs of configuration, this numbers match table should be tried one's best accurately; So that called number can be unique definite or definite among a small circle in other gateways, the protocol IP address that disposes corresponding gateway simultaneously.Through this numbers match table; Can search the corresponding matching relationship of each calling subscriber calls out in the caller gateway called number and associated gateway, promptly called number can be in the associated gateway of coupling unique confirm or can a few gateway (one or more) among a small circle in definite.
From interchange mode piece 402, be used for Access Network and core net communicating interrupt, and called number carries out the call business of exchange certainly between caller gateway and associated gateway according to the numbers match table and through the SIP signaling when not belonging to this caller gateway user when caller gateway place.
In the present embodiment; Access Network and core net communicating interrupt when caller gateway place; Be that uplink service interface and the communication between the core net of the Access Network at caller gateway place is when taking place to interrupt; The caller gateway judges according to called number whether this called number is this gateway user from interchange mode piece 402; If this called number is not the user in this caller gateway, then carries out numbers match, and can mate each (one or more) associated gateway request of making a call of this called number to other through what the SIP signaling sequence perhaps walked abreast according to above-mentioned numbers match table.The response of each associated gateway of caller gateway waits afterwards; Up to receiving from the called successful respond message of the coupling of associated gateway or mating called failure response message; Handle accordingly according to response message then, perhaps wait timeout discharges this calling for the calling subscriber.If called coupling success and called subscriber are idle, then between the associated gateway of caller gateway and coupling, carry out call proceeding, accomplish inter-network and close from exchanging call business; If called coupling failure then discharges this calling for the calling subscriber.
As shown in Figure 5, comprise from interchange mode piece 402: search unit 4021, call request initiation unit 4022, receiving element 4023 and insert releasing unit 4024, wherein:
Search unit 4021, be used for searching the associated gateway of mating with called number from the numbers match table;
Unit 4022 is initiated in call request, is used for through SIP signaling sequence or the parallel associated gateway request of making a call to coupling;
Receiving element 4023 is used to receive the response message of the associated gateway of coupling according to the call request feedback; Response message comprises: mate called successful respond message or mate called failure response message;
Insert releasing unit 4024, be used for, between the associated gateway of caller gateway and coupling, carry out call proceeding, accomplish the calling and called conversation according to response message; Perhaps, discharge this calling for the calling subscriber.
Further, insert releasing unit 4024, also be used for when all associated gateway all do not match with called number, for the calling subscriber discharges this calling.
Unit 4022 is initiated in call request, also is used for to the not associated gateway triplicate request of making a call of feeding back response information in the given time, if wait timeout is that the calling subscriber discharges this calling by inserting releasing unit then.
In a further embodiment, also be used for Access Network and core net communicating interrupt, and called number carries out call proceeding when belonging to this gateway user in this gateway, accomplish calling and called and converse when gateway place from interchange mode piece 402.
Need to prove that core net can be core net such as IMS, NGN in the embodiment of the invention.
The Access Network of the embodiment of the invention between different manufacturers disposes inter-network simultaneously and closes own exchange traffic; In case Access Network uplink service interface and core net generation communicating interrupt; Each IAD can automatically switch to from the exchange state; Not only can realize the call business of exchange certainly that IAD is inner, and if IAD can with other IAD communication in the LAN, can also realize between each IAD that then inter-network closes oneself and exchange call business; Thereby can utilize Internet resources to greatest extent, ensure the basic communication service between the gateway.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. the inter-network based on application layer signaling control protocol SIP is closed the method from exchange, it is characterized in that, may further comprise the steps:
Numbers match table for caller gateway configuration associated gateway;
Access Network and core net communicating interrupt when said caller gateway place, and called number carries out the call business of exchange certainly between said caller gateway and associated gateway according to said numbers match table and through the SIP signaling when not belonging to this caller gateway user.
2. method according to claim 1 is characterized in that, saidly specifically comprises according to the numbers match table and the step that exchanges call business certainly of carrying out between said caller gateway and associated gateway through the SIP signaling:
From said numbers match table, search associated gateway with said called number coupling;
Through SIP signaling sequence or the parallel request of making a call of the associated gateway to said coupling;
Receive the response message of the associated gateway of said coupling according to said call request feedback; Said response message comprises: mate called successful respond message or mate called failure response message;
According to said response message, between the associated gateway of said caller gateway and said coupling, carry out call proceeding, accomplish the calling and called conversation; Perhaps, discharge this calling for the calling subscriber.
3. method according to claim 2 is characterized in that, said step of from the numbers match table, searching the associated gateway of mating with said called number also comprises afterwards:
If all associated gateway all do not match with said called number, then discharge this calling for said calling subscriber.
4. method according to claim 2 is characterized in that, and is said according to response message, and the step of between the associated gateway of said caller gateway and said coupling, carrying out call proceeding also comprises before:
Associated gateway triplicate to not feeding back said response message is in the given time initiated said call request, if wait timeout then discharges this calling for said calling subscriber.
5. according to each described method in the claim 1 to 4, it is characterized in that, also comprise after the step of said numbers match table for caller gateway configuration associated gateway:
Access Network and core net communicating interrupt when said caller gateway place, and called number carries out call proceeding when belonging to this caller gateway user in said caller gateway, accomplish calling and called and converse.
6. the inter-network based on SIP is closed the gateway from exchange, it is characterized in that, comprising:
Configuration module is the numbers match table of caller gateway configuration associated gateway;
From the interchange mode piece; Access Network and core net communicating interrupt when said caller gateway place; And when called number does not belong to this caller gateway user, carry out the call business of exchange certainly between said caller gateway and associated gateway according to said numbers match table and through the SIP signaling.
7. gateway according to claim 6 is characterized in that, saidly comprises from the interchange mode piece:
Search the unit, be used for searching the associated gateway of mating with said called number from said numbers match table;
The unit is initiated in call request, is used for through SIP signaling sequence or the parallel request of making a call of the associated gateway to said coupling;
Receiving element is used to receive the response message of the associated gateway of said coupling according to said call request feedback; Said response message comprises: mate called successful respond message or mate called failure response message;
Insert releasing unit, be used for, between the associated gateway of said caller gateway and said coupling, carry out call proceeding, accomplish the calling and called conversation according to said response message; Perhaps, discharge this calling for the calling subscriber.
8. gateway according to claim 7 is characterized in that, said access releasing unit also is used for when all associated gateway all do not match with said called number, for said calling subscriber discharges this calling.
9. gateway according to claim 7; It is characterized in that; The unit is initiated in said call request; Also be used for initiating said call request, if wait timeout is that said calling subscriber discharges this calling by said access releasing unit then to the associated gateway triplicate that does not feed back said response message in the given time.
10. according to each described gateway in the claim 6 to 9, it is characterized in that, said from the interchange mode piece; Also be used for Access Network and core net communicating interrupt when said gateway place; And when called number belongs to this gateway user, in said gateway, carry out call proceeding, accomplish the calling and called conversation.
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| CN201010260164.XA CN102378398B (en) | 2010-08-17 | 2010-08-17 | Method and the gateway of the spanning gateway self-exchange based on SIP |
| PCT/CN2011/071933 WO2012022148A1 (en) | 2010-08-17 | 2011-03-17 | Method and gateway for cross-gateway self-exchange based on session initiation protocol |
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| CN201010260164.XA CN102378398B (en) | 2010-08-17 | 2010-08-17 | Method and the gateway of the spanning gateway self-exchange based on SIP |
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| CN108616507A (en) * | 2018-03-28 | 2018-10-02 | 深圳震有科技股份有限公司 | A kind of voice gateway system and its processing method to access terminal |
| CN109495661A (en) * | 2018-12-27 | 2019-03-19 | 广州芯德通信科技股份有限公司 | A kind of communication means of the VOIP equipment based on multiple IP relaying |
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| CN101163171A (en) * | 2006-10-13 | 2008-04-16 | 中兴通讯股份有限公司 | Method of implementing uplink service interface protection based on access network |
| CN101682674A (en) * | 2007-02-21 | 2010-03-24 | 泰克莱克公司 | Be used to use the inquiry of position-based routing number and method, system and the computer program that response mechanism routes the call to IP Multimedia System (IMS) user |
| CN101316448A (en) * | 2007-06-01 | 2008-12-03 | 日立通讯技术株式会社 | Gateway device, optical network terminal, and passive optical network system |
| CN101106612A (en) * | 2007-07-25 | 2008-01-16 | 中兴通讯股份有限公司 | A method and system for realizing self-switching disaster tolerance in NGN network |
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| CN102916962A (en) * | 2012-10-25 | 2013-02-06 | 华为技术有限公司 | Self-exchange triggering method, device and system under Internet protocol multimedia subsystem (IMS) architecture |
| WO2014063548A1 (en) * | 2012-10-25 | 2014-05-01 | 华为技术有限公司 | Method for triggering self-exchange in internet protocol multimedia subsystem architecture, apparatus and system thereof |
| CN102916962B (en) * | 2012-10-25 | 2016-09-28 | 华为技术有限公司 | The triggering method of self-exchange, Apparatus and system under a kind of IMS architecture |
| CN108616507A (en) * | 2018-03-28 | 2018-10-02 | 深圳震有科技股份有限公司 | A kind of voice gateway system and its processing method to access terminal |
| CN109495661A (en) * | 2018-12-27 | 2019-03-19 | 广州芯德通信科技股份有限公司 | A kind of communication means of the VOIP equipment based on multiple IP relaying |
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| WO2012022148A1 (en) | 2012-02-23 |
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