CN101400061B - Call processing method based on IP and system thereof - Google Patents
Call processing method based on IP and system thereof Download PDFInfo
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- CN101400061B CN101400061B CN200710175234XA CN200710175234A CN101400061B CN 101400061 B CN101400061 B CN 101400061B CN 200710175234X A CN200710175234X A CN 200710175234XA CN 200710175234 A CN200710175234 A CN 200710175234A CN 101400061 B CN101400061 B CN 101400061B
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Abstract
The invention discloses a IP-based calling processing method and system for No.7 signalling network. The method comprises: step 1, mobile exchange center receives calling sent by calling terminal and forwards to intelligent peripherals; step 2, the intelligent peripherals triggers the service to the service control point according to the calling, and sending calling number to the mobile exchange center according to instruction information issued by the control point; step 3, the mobile exchange center receives the calling number, and establishing a speech path between calling terminal and called terminal according the calling number. The inventive method solves problem of conflict of intelligent peripherals IP voice service and calling resource, can provide normal voice service and does not participate in talking course, thereby effectively saves resource of intelligent peripherals.
Description
Technical field
The present invention relates to No.7 nation-wide Network and intelligent net system, particularly relate to a kind of call processing method and system thereof based on IP (IntelligentPeripheral, ip intelligent peripherals).
Background technology
For traditional intelligent net system, the purposes of ip intelligent peripherals IP is to provide the intelligent sound service to the user specially, (the Mobile Switching Center of switch or mobile switching centre, MSC) speech business can focus on the ip intelligent peripherals IP and finish, so ip intelligent peripherals IP usually is called as independent IP.Under the special applications, ip intelligent peripherals IP also can go to participate in calling out.
When ip intelligent peripherals IP receives IAM (the InitialAddress Message that switch or MSC send by repeated link, initial address message) after, trigger IDP (Initial Detection Point, start detection point message) give service control point (Service Control Point, SCP), SCP issues CTR (Connect To Resource is connected to resource), PA (Play Announcement broadcasts notice) indication ip intelligent peripherals IP and carries out playback.SCP also can issue CTR, P﹠amp; C (Prompt and Collect userinformation, user profile is also collected in prompting) indication ip intelligent peripherals IP carries out playback and collects the digits, and collects the digits after the end, may also can continue to issue CTR, P﹠amp; The C operation.When sound or P﹠amp have been put in the PA operation; C collect the digits finish after, SCP ip intelligent peripherals IP if desired goes to continue called, then issues CONNECT (connection), can carry calling number and called number in the CONNECT operation, ip intelligent peripherals IP will go to call out by this number.
If the calling and called conversation, ip intelligent peripherals IP is with foundation and calling party and callee's speech channel so, and resources such as the relaying of ip intelligent peripherals IP and time slot are occupied at this moment; If the call volume that ip intelligent peripherals IP relates to is bigger, then require resources such as the enough relayings of ip intelligent peripherals IP configuration, veneer, to guarantee the unimpeded of the circuitous speech channel of process ip intelligent peripherals IP.Otherwise when traffic peak occurs, since speech channel constantly take the occupied consequences that uses up of resource such as relaying may occur, like this, switch or MSC can't send IAM message to ip intelligent peripherals IP by repeated link, normally provide voice service thereby influence ip intelligent peripherals IP.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of IP-based call processing method and system thereof, is used to solve service of ip intelligent peripherals ip voice and the afoul problem of call resources.
To achieve these goals, the invention provides a kind of IP-based call processing method, be used for No.7 nation-wide Network and intelligent net system, this method comprises:
Step 1, mobile switching centre receives calling sent by calling terminal and is forwarded to ip intelligent peripherals;
Step 2, described ip intelligent peripherals triggers the Business-to-Business control point according to described calling; Described service control point carries out the authentication of calling number, judges that calling number issues the connection message that carries the called number that need continue and gives described ip intelligent peripherals when having the right to call out, and also discharges the INAP dialogue with described ip intelligent peripherals simultaneously; Described ip intelligent peripherals is judged current when to trigger professional service key be service key with the professional agreement of service control point, sends call number to described mobile switching centre; Wherein, sending call number to described mobile switching centre in the described step 2 specifically comprises: described ip intelligent peripherals obtains described called number according to described connection message, and current when to trigger professional service key be service key with the business agreement of described service control point, to described calling number and the described called number generation facility request message of encoding, be sent to described mobile switching centre again;
Step 3, described mobile switching centre receives described call number, and sets up speech channel between described calling terminal and the terminal called according to described call number; Described mobile switching centre obtains described calling number and described called number according to described facility request message, and loopback facility accepted message, resource release message are to described ip intelligent peripherals; After all resources of described ip intelligent peripherals release busy, loopback discharges acknowledgement message and finishes the release confirmation to mobile switching centre.
Described IP-based call processing method, wherein, described call number comprises calling number, called number.
Described IP-based call processing method, wherein, in the described step 2, further comprise: described service control point carries out authentication by the calling number to described calling terminal, indicate described ip intelligent peripherals to play voice, and inform the step that the described calling terminal of described ip intelligent peripherals is had the right or had no right to call out.
Described IP-based call processing method wherein, in the described step 2, further comprises:
When described calling terminal had no right to call out, then described service control point issued call release and is operated to described ip intelligent peripherals, the step of call release.
Described IP-based call processing method, wherein, in the described step 3, further comprise: described mobile switching centre receives the release acknowledgement message that described ip intelligent peripherals discharges loopback after all resources, and sends the step of calling out to described terminal called according to the described called number that obtains from described ip intelligent peripherals.
Described IP-based call processing method wherein, in the described step 3, further comprises:
Behind described dialed terminal bell, described mobile switching centre receives the address complete message of described terminal called loopback, and is transmitted to the step of described calling terminal; And/or
After described terminal called was replied, described mobile switching centre received the called party answer message of described terminal called loopback, and was transmitted to the step of described calling terminal.
To achieve these goals, the invention provides a kind of IP-based call processing system, comprise calling terminal, terminal called, mobile switching centre, ip intelligent peripherals, service control point:
Described mobile switching centre receives described calling sent by calling terminal and is forwarded to described ip intelligent peripherals;
Described ip intelligent peripherals triggers the Business-to-Business control point according to described calling; Described service control point carries out the authentication of calling number, judges that calling number issues the connection message that carries the called number that need continue and gives described ip intelligent peripherals when having the right to call out, and also discharges the INAP dialogue with described ip intelligent peripherals simultaneously; Described ip intelligent peripherals is judged current when to trigger professional service key be service key with the professional agreement of service control point, sends call number to described mobile switching centre; Wherein, describedly send call number to described mobile switching centre and specifically comprise: described ip intelligent peripherals obtains described called number according to described connection message, and current when to trigger professional service key be service key with the business agreement of described service control point, to described calling number and the described called number generation facility request message of encoding, be sent to described mobile switching centre again;
Described mobile switching centre receives described call number, and sets up speech channel between described calling terminal and the described terminal called according to described call number; Described mobile switching centre obtains described calling number and described called number according to described facility request message, and loopback facility accepted message, resource release message are to described ip intelligent peripherals; After all resources of described ip intelligent peripherals release busy, loopback discharges acknowledgement message and finishes the release confirmation to mobile switching centre.
Described IP-based call processing system, wherein, described mobile switching centre carries out Signalling exchange by ISUP signaling and described ip intelligent peripherals, described calling terminal, described terminal called; Described ip intelligent peripherals carries out Signalling exchange by INAP signaling and described service control point.
The present invention has following beneficial effect:
1) can put prompt tone according to the result of caller authentication by the service control point (SCP), inform the information of customer call or have no right and call out;
2) called number that issues for the service control point (SCP), ip intelligent peripherals IP do not need to do processing such as number analysis just can directly send moving exchanging center MSC to by FAR message; Ip intelligent peripherals IP plays the effect of transfer in the centre;
3) the calling and called conversation does not take the IP resource, has reached the effect of saving the IP resource.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is a system construction drawing of the present invention;
Fig. 2 is a signaling process flow chart of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is made further more detailed description.
As shown in Figure 1, be system construction drawing of the present invention.The protocol type that the position relation of these figure display system 10 each parts and mutual signaling are used, particularly, this system 10 comprises: service control point (SCP) 11, ip intelligent peripherals IP 12, moving exchanging center MSC 13, and calling terminal 21 and terminal called 22.
Service control point (SCP) 11, be responsible for professional control, calling terminal 21 is carried out authentication, indicate ip intelligent peripherals IP 12 playbacks and issue number, and carry out Signalling exchange by INAP (IntelligentNetwork Application Protocol) between the ip intelligent peripherals IP 12.
Ip intelligent peripherals IP 12 is responsible for trigger intelligent business, carries out playback and sends number to moving exchanging center MSC 13; And and service control point (SCP) 11 between by the INAP Signalling exchange, and pass through ISUP (ISDN User Part between the moving exchanging center MSC 13, ISDNYong Hubufen) carry out Signalling exchange, ISDN is integrated services digital network (Integrated Services Digital Network).
Moving exchanging center MSC 13, be responsible for calling, the calling that reception calling terminal 21 is sent also is transmitted to ip intelligent peripherals IP 12, the call number that reception ip intelligent peripherals IP 12 sends also discharges IP, simultaneously terminal called 22 is made a call, and carry out Signalling exchange by ISUP with ip intelligent peripherals IP 12 and calling terminal 21, terminal called 22.
In Fig. 1, existing Signalling exchange has speech channel again between moving exchanging center MSC 13 and calling terminal 21, the terminal called 22, and and have only Signalling exchange between the ip intelligent peripherals IP 12 and do not have speech channel; Also have only Signalling exchange between ip intelligent peripherals IP 12 and the service control point (SCP) 11 and do not have speech channel.
As shown in Figure 2, be signaling process flow chart of the present invention.This flow process is that (Release Link Trunk, the RLT) handling process of Ying Yonging have been described utilization ip intelligent peripherals IP and carried out the intelligent sound service, and after providing call number to the calling subscriber, the process of RLT to discharging repeated link.In conjunction with Fig. 1, this flow process specifically comprises the steps:
Step 202, moving exchanging center MSC 13 sends IAM message to ip intelligent peripherals IP 12;
Step 203, ip intelligent peripherals IP 12 triggers IDP (starting DP message) to service control point (SCP) 11 by the called prefix in the IAM message is analyzed;
Step 204, the authentication of calling number is carried out in service control point (SCP) 11, and issues CTR (being connected to resource), PA (broadcasting notice) to ip intelligent peripherals IP 12 broadcast voice, informs that the information of customer call or prompting user have no right to call out;
Step 205, after playback finished, ip intelligent peripherals IP 12 reported SRR (Specialized ResourceReport, private resource report) to give service control point (SCP) 11;
In this step, service control point (SCP) 11 also discharges the INAP dialogue (DialogStopped) with ip intelligent peripherals IP 12 simultaneously, and promptly service control point (SCP) 11 sides discharge;
Step 207, after ip intelligent peripherals IP 12 receives the CONNECT operation, the called number that acquisition need continue; When ip intelligent peripherals IP 12 judges current when triggering the service key that professional service key arranges with service control point (SCP) 11 business just, think that current business of triggering is the business that the present invention uses, decision starts application flow of the present invention, do not carry out the called number analysis, directly information such as calling number and called number are encoded according to ISUP signaling international standard, be organized into FAR (Facility Request, capability request) message and send to moving exchanging center MSC 13;
Wherein, ip intelligent peripherals IP 12 has arranged a service key with service control point (SCP) 11 business, and ip intelligent peripherals IP 12 can be known this service key by configuration;
Step 209, after all resources of ip intelligent peripherals IP 12 release busies, loopback RLC (ReleaseComplete Message, Release complete) promptly discharges acknowledgement message, discharges confirmation for moving exchanging center MSC 13;
Step 210, moving exchanging center MSC 13 is called out according to the number that obtains from ip intelligent peripherals IP 12, sends IAM message to terminal called 22;
Step 211, behind the called terminal ringing, terminal called 22 loopback ACM (Address Complete Message, address complete message) give moving exchanging center MSC 13; Moving exchanging center MSC 13 is given to calling terminal 21 again; And/or behind the called party answer, terminal called 22 loopback ANM (Answer Message, called party answer message) give moving exchanging center MSC 13, and moving exchanging center MSC 13 is given to calling terminal 21 again;
Step 212, calling terminal 21 is through the speech channel of moving exchanging center MSC 13 foundation with terminal called 22, and both sides enter communication process;
Step 213, after The Calling Party Hooks On, calling terminal 21 sent REL (release) message and gives moving exchanging center MSC 13, and moving exchanging center MSC 13 is given to terminal called 22 again, and whole calling discharges.
Adopt the inventive method, solved service of ip intelligent peripherals ip voice and the afoul problem of call resources, can provide normal voice service not participate in communication process again, thereby effectively save the resource of ip intelligent peripherals IP.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (8)
1. the call processing method based on ip intelligent peripherals is used for No.7 nation-wide Network and intelligent net system, it is characterized in that, this method comprises:
Step 1, mobile switching centre receives calling sent by calling terminal and is forwarded to ip intelligent peripherals;
Step 2, described ip intelligent peripherals triggers the Business-to-Business control point according to described calling; Described service control point carries out the authentication of calling number, judges that calling number issues the connection message that carries the called number that need continue and gives described ip intelligent peripherals when having the right to call out, and also discharges the INAP dialogue with described ip intelligent peripherals simultaneously; Described ip intelligent peripherals is judged current when to trigger professional service key be service key with the professional agreement of service control point, sends call number to described mobile switching centre; Wherein, sending call number to described mobile switching centre in the described step 2 specifically comprises: described ip intelligent peripherals obtains described called number according to described connection message, and current when to trigger professional service key be service key with the business agreement of described service control point, to described calling number and the described called number generation facility request message of encoding, be sent to described mobile switching centre again;
Step 3, described mobile switching centre receives described call number, and sets up speech channel between described calling terminal and the terminal called according to described call number; Described mobile switching centre obtains described calling number and described called number according to described facility request message, and loopback facility accepted message, resource release message are to described ip intelligent peripherals; After all resources of described ip intelligent peripherals release busy, loopback discharges acknowledgement message and finishes the release confirmation to mobile switching centre.
2. the call processing method based on ip intelligent peripherals according to claim 1 is characterized in that described call number comprises calling number, called number.
3. the call processing method based on ip intelligent peripherals according to claim 2, it is characterized in that, in the described step 2, further comprise: described service control point carries out authentication by the calling number to described calling terminal, indicate described ip intelligent peripherals to play voice, and inform the step that the described calling terminal of described ip intelligent peripherals is had the right or had no right to call out.
4. the call processing method based on ip intelligent peripherals according to claim 3 is characterized in that, in the described step 2, further comprises:
When described calling terminal had no right to call out, then described service control point issued call release and is operated to described ip intelligent peripherals, the step of call release.
5. the call processing method based on ip intelligent peripherals according to claim 4, it is characterized in that, in the described step 3, further comprise: described mobile switching centre receives the release acknowledgement message that described ip intelligent peripherals discharges loopback after all resources, and sends the step of calling out to described terminal called according to the described called number that obtains from described ip intelligent peripherals.
6. the call processing method based on ip intelligent peripherals according to claim 5 is characterized in that, in the described step 3, further comprises:
Behind described dialed terminal bell, described mobile switching centre receives the address complete message of described terminal called loopback, and is transmitted to the step of described calling terminal; And/or
After described terminal called was replied, described mobile switching centre received the called party answer message of described terminal called loopback, and was transmitted to the step of described calling terminal.
7. the call processing system based on ip intelligent peripherals comprises calling terminal, terminal called, mobile switching centre, ip intelligent peripherals, service control point, it is characterized in that:
Described mobile switching centre receives described calling sent by calling terminal and is forwarded to described ip intelligent peripherals;
Described ip intelligent peripherals triggers the Business-to-Business control point according to described calling; Described service control point carries out the authentication of calling number, judges that calling number issues the connection message that carries the called number that need continue and gives described ip intelligent peripherals when having the right to call out, and also discharges the INAP dialogue with described ip intelligent peripherals simultaneously; Described ip intelligent peripherals is judged current when to trigger professional service key be service key with the professional agreement of service control point, sends call number to described mobile switching centre; Wherein, describedly send call number to described mobile switching centre and specifically comprise: described ip intelligent peripherals obtains described called number according to described connection message, and current when to trigger professional service key be service key with the business agreement of described service control point, to described calling number and the described called number generation facility request message of encoding, be sent to described mobile switching centre again;
Described mobile switching centre receives described call number, and sets up speech channel between described calling terminal and the described terminal called according to described call number; Described mobile switching centre obtains described calling number and described called number according to described facility request message, and loopback facility accepted message, resource release message are to described ip intelligent peripherals; After all resources of described ip intelligent peripherals release busy, loopback discharges acknowledgement message and finishes the release confirmation to mobile switching centre.
8. the call processing system based on ip intelligent peripherals according to claim 10 is characterized in that, described mobile switching centre carries out Signalling exchange by ISUP signaling and described ip intelligent peripherals, described calling terminal, described terminal called; Described ip intelligent peripherals carries out Signalling exchange by INAP signaling and described service control point.
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| CN200710175234XA CN101400061B (en) | 2007-09-27 | 2007-09-27 | Call processing method based on IP and system thereof |
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| CN200710175234XA CN101400061B (en) | 2007-09-27 | 2007-09-27 | Call processing method based on IP and system thereof |
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| CN101400061B true CN101400061B (en) | 2010-12-08 |
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| CN101692714A (en) * | 2009-09-27 | 2010-04-07 | 中兴通讯股份有限公司 | Intelligent network multi-service triggering method, intelligent network and intelligent gateway device |
Citations (2)
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|---|---|---|---|---|
| CN1257388A (en) * | 1998-12-12 | 2000-06-21 | Lg情报通信株式会社 | Method for excuting business in mobile intelligent network |
| CN1852466A (en) * | 2005-09-02 | 2006-10-25 | 华为技术有限公司 | Method and system for realizing virtual-number-like voice increment business |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257388A (en) * | 1998-12-12 | 2000-06-21 | Lg情报通信株式会社 | Method for excuting business in mobile intelligent network |
| CN1852466A (en) * | 2005-09-02 | 2006-10-25 | 华为技术有限公司 | Method and system for realizing virtual-number-like voice increment business |
Non-Patent Citations (2)
| Title |
|---|
| 李湘宜，廖建新，王纯，王晓彬.一种基于移动智能网的欠费风险控制方式.北京工商大学学报（自然科学版）25 4.2007,25(4),第39-43页. |
| 李湘宜,廖建新,王纯,王晓彬.一种基于移动智能网的欠费风险控制方式.北京工商大学学报(自然科学版)25 4.2007,25(4),第39-43页. * |
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