CN1678117A - Method for resolving speech channel roundabout - Google Patents
Method for resolving speech channel roundabout Download PDFInfo
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- CN1678117A CN1678117A CN 200410031675 CN200410031675A CN1678117A CN 1678117 A CN1678117 A CN 1678117A CN 200410031675 CN200410031675 CN 200410031675 CN 200410031675 A CN200410031675 A CN 200410031675A CN 1678117 A CN1678117 A CN 1678117A
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- 230000011664 signaling Effects 0.000 claims abstract description 83
- 108091006146 Channels Proteins 0.000 claims description 41
- 238000004891 communication Methods 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 7
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- 238000010586 diagram Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
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Abstract
The method includes steps: (1) when receiving a call for accessing special functional exchange entity, exchange entity assigns a piece of ingoing repeat circuit as telephone channel from ingoing repeat group circuit, and sends the call with carried circuit id code of assigned ingoing repeat circuit to special functional exchange entity; (2) receiving the call, the special functional exchange entity carries out relevant process for the call, assigning a outgoing repeat circuit in outgoing repeat group circuit corresponding to the said circuit id code of assigned ingoing repeat circuit, and the processed call through signaling is sent to corresponding outgoing repeat circuit of exchange entity; (3) after receiving the processed call sent from the special functional exchange entity, the exchange entity continues jointing.
Description
Technical field
The present invention relates to the technology that terminal inserts the specific function switching entity, solve the method for alternative channel when particularly a kind of terminal inserts the specific function switching entity.
Background technology
At present, comprehensive operator may manage a plurality of communication networks simultaneously, as: common exchanging telephone (PSTN) network and code division multiple access (CDMA) network etc., comprehensive operator is for the competitiveness that improves communication service and reduce reason such as construction cost, tend to make a plurality of communication networks of its management to communicate the mutual of information, as: IN service is provided for the terminal in the cdma network with the specific function switching entity of fixed intelligent network, thereby the information interaction of overlay network occurred.
When a terminal wants inter-network to insert specific function switching entity obtaining communication information, for example: the terminal in the cdma network will insert the Service Switching Point of fixed intelligent network, when obtaining IN service in the fixed intelligent network service control point by SSP, as shown in Figure 1, Fig. 1 is the schematic diagram that prior art terminal inter-network inserts specific function switching entity obtaining communication information, wherein, the specific function switching entity of fixed intelligent network has a signalling point, switching entity in the cdma network disposes the trunk group circuit of this signalling point, this trunk group circuit be used for setting up and the switching entity of cdma network between signalling route and speech channel, the specific function switching entity of fixed intelligent network has the speech channel of the trunk group circuit identical with the trunk group circuit of this switching entity in order to switching entity in the cdma network that continues by transmission trunking.
As shown in Figure 2, Fig. 2 is the flow chart of Fig. 1 correspondence, and its concrete steps are:
Terminal in step 200, the cdma network initiates to obtain the calling of IN service request;
Step 201, administer the switching entity of this terminal, be after mobile services switching centre (MSC) receives this calling, distribute a repeat circuit from the relaying group circuit for this terminal, promptly set up on the specific function switching entity SSP that speech channel is routed to fixed intelligent network, the intelligent network business request of obtaining that this terminal is initiated sends to SSP by the form that has signaling, and the speech channel of this terminal is routed on this SSP relevant relay circuit;
Step 202, the SSP that receives this request obtain IN service information according to this request from the SCP of fixed intelligent network, set up on speech channel route another idle repeat circuit from this SSP relevant relay circuit to this MSC trunk group circuit, with continue back MSC and the IN service information that the gets access to form by total signaling sent to this MSC of the speech channel of this terminal;
Step 203, this MSC are routed on other switching entities according to this IN service information, proceed to call out.
In above-mentioned flow process, when the terminal in the cdma network will be obtained the IN service that fixed intelligent network provides, not only to carry out the transmission of signaling, and to set up speech channel from the MSC of cdma network to the SSP of fixed intelligent network and MSC from the SSP of fixed intelligent network to cdma network return speech channel be used for to the terminal of initiating this calling realize speech channel continue continue, so, between cdma network and fixed intelligent network, there are two speech channels, the alternative channel phenomenon has appearred, caused waste, increased investment and the maintenance cost of operator repeat circuit to relay circuit resources.
Same, comprehensive operator is in order to reduce cost, the specific function switching entity quantity that when setting up intelligent network, is provided be switching entity quantity 1/10th in addition still less, such specific function switching entity is just shared for the local network that a plurality of switching entity is administered, therefore, terminal by this terminal under the switching entity of local network when being linked into the specific function switching entity, between this switching entity and specific function switching entity, will there be alternative channel as described in Figure 2, caused waste, increased investment and the maintenance cost of operator repeat circuit to relay circuit resources.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that solves alternative channel, and this method can reduce the relay circuit resources that the terminal call speech channel occupies, thereby reduces the investment and the maintenance cost of operator to repeat circuit.
According to above-mentioned purpose, specific embodiments of the present invention is achieved in that
A kind of method that solves alternative channel, the outgoing trunk group circuit of switching entity to the incoming trunk group circuit of specific function switching entity and specific function switching entity to switching entity is set, the corresponding relation of two trunk group circuit is set, two trunk group circuit that will have corresponding relation at switching entity intersect from ring, and this method also comprises:
A, receive terminal when initiate inserting the calling of specific function switching entity when switching entity, give the incoming trunk circuit of this call distribution in the incoming trunk group circuit as speech channel, and this calling that will carry the cic circuit identification code that is dispensed into repeat circuit to some extent send to the specific function switching entity by signaling;
After B, the specific function switching entity that receives this calling are handled accordingly to this calling, obtain the outgoing trunk circuit in the outgoing trunk group circuit of cic circuit identification code correspondence of the repeat circuit that is dispensed into according to the corresponding relation of setting, the calling after this processing is sent to the outgoing trunk circuit of correspondence in the switching entity by signaling;
C, switching entity continue to continue after receiving calling after the processing of sending from the specific function switching entity.
In described specific function switching entity, be provided with and receive signalling point and send signalling point;
Described incoming trunk group circuit is the reception signalling point that is set to the specific function switching entity from switching entity;
Described outgoing trunk group circuit is that the transmission signalling point from the specific function switching entity is set to switching entity.
A signalling point is set in described specific function switching entity;
Described incoming trunk group circuit is this signalling point that is set to the specific function switching entity from switching entity;
Described outgoing trunk group circuit is that this signalling point from the specific function switching entity is set to switching entity.
The number of the outgoing trunk circuit in the number of the incoming trunk circuit in the incoming trunk group circuit of described setting and the outgoing trunk group circuit is identical.
The corresponding relation of described two trunk group circuit is set up corresponding relation for the incoming trunk circuit in the incoming trunk group circuit and the outgoing trunk circuit in the outgoing trunk group circuit that will have the same circuits identification code;
The incoming trunk circuit in the incoming trunk group circuit and the outgoing trunk circuit in the outgoing trunk group circuit that perhaps will have same order are set up corresponding relation.
Described intersection from ring for have in the making a start of the incoming trunk circuit in the incoming trunk group circuit/receiving end and the outgoing trunk group circuit outgoing trunk circuit of corresponding relation receiving end/making a start links to each other.
Described switching entity is the mobile switching centre in the mobile network or is finishing the function of exchange entity or being the entity of finishing function of exchange in the fixed communication network in the public switched telephone network (PSTN).
Described specific function switching entity is to provide the entity that call charge service is provided for switching entity in the entity of IN service or the fixed communication network for switching entity provides in the entity of IN service or the mobile radio communication to switching entity provides in the entity of call charge service or the fixed communication network to switching entity in the mobile radio communication.
Described signaling is a common channel signalling.
The calling of the described access specific function of steps A switching entity is to need exhaling mouth or being calling that needs specific function switching entity triggering call charge service or the calling that triggers communication service for the specific function switching entity of specific function switching entity trigger intelligent business.
Step B is described to be treated to trigger intelligent business accordingly or to trigger call charge service or the triggering communication service this calling.
From such scheme as can be seen, when the present invention inserts the specific function switching entity when terminal by switching entity, be not that the speech channel that terminal is initiated is linked on the specific function switching entity by switching entity, by the specific function switching entity speech channel is continued again and get back to switching entity, but inside is provided with two repeat circuits intersections from ring on switching entity, the speech channel that terminal is initiated intersects on switching entity from ring, thereby method provided by the invention has reduced the relay circuit resources that the terminal call speech channel occupies, and reduces investment and the maintenance cost of operator to repeat circuit.
Description of drawings
Fig. 1 is the schematic diagram that prior art terminal inter-network inserts specific function switching entity obtaining communication information.
Fig. 2 is the flow chart that prior art terminal inter-network inserts specific function switching entity obtaining communication information.
Fig. 3 inserts the schematic diagram of specific function switching entity obtaining communication information for terminal inter-network of the present invention.
Fig. 4 inserts the flow chart of specific function switching entity obtaining communication information for terminal inter-network of the present invention.
Fig. 5 is the embodiment schematic diagram of the terminal access fixed network SSP in the mobile network of the present invention.
Fig. 6 inserts the embodiment schematic diagram of prepaid platform (Pre-paid Platform) for the terminal far-end in the mobile network of the present invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is further elaborated.
The present invention is provided with two signalling points in advance the specific function switching entity, configuration divides the trunk group circuit that is clipped to two signalling points to switching entity, the scope of the cic circuit identification code (CIC) that these two trunk group circuit have is identical, and the repeat circuit that has identical CIC in these two trunk group circuit is intersected from ring at switching entity.Described intersection from ring be the making a start an of repeat circuit in the trunk group circuit/receiving end with another trunk group circuit in the repeat circuit with identical CIC receiving end/making a start links to each other.
When terminal wants inter-network to insert the specific function switching entity, then as shown in Figure 3, Fig. 3 inserts the schematic diagram of specific function switching entity obtaining communication information for terminal inter-network of the present invention: the signalling point in the setting of specific function switching entity is signalling point A and signalling point B, be configured to the trunk group circuit 1 of signalling point A and the trunk group circuit 2 of signalling point B at switching entity, and trunk group circuit 1 and the trunk group circuit 2 that is provided with intersected from ring.
Signalling point A of the present invention and signalling point B can also be same signalling point, and this signalling point is born the function that sends and receive common channel signalling.
Signalling point A of the present invention can be referred to as to receive signalling point, and described signalling point B can be referred to as to send signalling point, and described trunk group circuit 1 can be referred to as the incoming trunk group circuit, and described trunk group circuit 2 can be referred to as the outgoing trunk group circuit.
As shown in Figure 4, Fig. 4 is the flow chart of Fig. 3 correspondence, and its concrete steps are:
After step 403, switching entity are received the calling of specific function switching entity, the speech channel of trunk group circuit 1 is routed to trunk group circuit 2 after, continue to call out according to the communication information that receives.
Switching entity routes the call to the specific function switching entity by common channel signalling, and destination signaling point is the signalling point A of specific function switching entity; The specific function switching entity is transmitted back to switching entity with calling after carrying out respective handling, and the Original Signaling Point that sends this traffic signaling is the signalling point B of specific function switching entity.Therefore, this exhales the speech channel of mouth not to be connected to the specific function switching entity by switching entity, and be to carry out loopback in switching entity inside, switching entity with striking out to the calling of specific function switching entity and from the calling of specific function switching entity Incoming as two call treatment, thereby make between switching entity and the specific function switching entity and do not need speech channel, only need the signaling link call transmission, thereby reduced to take the resource of repeat circuit.
The present invention also can be inequality in the CIC scope of two trunk group circuit that switching entity is provided with, the CIC that is the CIC of trunk group circuit 1 and trunk group circuit 2 is inequality, it is corresponding one by one and preserve corresponding relation that repeat circuit CIC in the trunk group circuit 1 and the repeat circuit CIC in the trunk group circuit 2 only need be set, and intersects CIC from the related circuit of the correct trunk group 2 of ring and the selection of special switching entity to guarantee related circuit that switching entity correctly carries out trunk group 1 and trunk group 2.Wherein, common channel signalling can be Signaling System Number 7 Telephone User Part (TUP) or Integrated Service Digital Network User Part (ISUP).
Same, if switching entity and specific function switching entity are in an intelligent network, this intelligent network is administered a plurality of local networks, and do not have the specific function switching entity in the local network that this switching entity is administered, this local network then of the present invention also can insert specific function switching entity mode according to the switching entity of the described method of Fig. 4 by this local network and improve corresponding business.
Switching entity of the present invention can or be finishing the function of exchange entity or being the entity of finishing function of exchange in the fixed communication network in the public switched telephone network (PSTN) for the mobile switching centre in the mobile network.
Specific function switching entity of the present invention can be to provide the entity that call charge service is provided for switching entity in the entity of IN service or the fixed communication network for switching entity provides in the entity of IN service or the mobile radio communication to switching entity provides in the entity of call charge service or the fixed communication network to switching entity in the mobile radio communication.
Below lift two specific embodiment explanation the present invention, first embodiment provides the process of IN service for the terminal of mobile network by the switching entity MSC of mobile network for the specific function switching entity SSP that utilizes fixed network, as shown in Figure 5, Fig. 5 is the embodiment schematic diagram of the terminal access fixed network SSP in the mobile network of the present invention, this figure comprises: SSP500 in the fixed network and SCP501, the MSC503 of terminal 502 in the mobile network and administration terminal, switching entity 504 in other networks, suppose that MSC503 in the mobile network does not have IN service function is provided, so work as the calling that terminal 502 initiations will be obtained IN service, this MSC503 must obtain IN service by the SSP500 from fixed network, carries out routing with on the switching entity 504 of call proceeding in other networks according to this IN service that obtains.
Detailed process shown in Figure 5 is: at SSP500 two signalling points are set in advance, signalling point A and signalling point B promptly are set; MSC503 be provided with branch be clipped to signalling point A and and two groups of trunk group circuit of signalling point B, be trunk group circuit 1 and trunk group circuit 2, the CIC scope of these two groups of trunk group circuit is identical, these two groups of trunk group circuit are not connected on the SSP500 by transmission trunking, but MSC503 to signalling point A with and two groups of trunk group circuit of signalling point B in have an identical CIC repeat circuit intersect from encircling.When terminal 502 is initiated the calling of IN service, the speech channel that MSC503 calls out terminal 502 is routed on the repeat circuit of a free time in the trunk group circuit 1, and signalling route is to SSP500, and the initialization address message (IAI/IAM) of initial address message by signalling system No.7 of the calling of CIC that carries this idle relay circuit/have additional information is sent to the signalling point A of SSP500; After SSP500 receives this calling, to carry out IN service by signalling system No.7 mutual with SCP501, distribute in the trunk group circuit 2 to have the speech channel of the repeat circuit identical, and the CIC of this repeat circuit 2 is sent to MSC503 from the signalling point B of the SSP500 IAI/IAM by signalling system No.7 as loopback with the CIC that carries; MSC503 receives after the next calling of SSP500, continues to be routed to the switching entity 504 in other networks.
Loopback has just taken place at MSC503 in the speech channel that makes a call of this terminal 502 like this, and does not need to travel back across on the SSP500.
Second embodiment is used for the charging of overseas somewhere toll telephone, as shown in Figure 6, Fig. 6 inserts the embodiment schematic diagram of Pre-paid Platform for the terminal far-end in the mobile network of the present invention: when terminal 600 when no longer contract signing place is initiated trunk call, be not have the specific function switching entity in the local network at terminal place, this terminal must be chargeed by the Pre-paid Platform that the switching entity MAC in the local network of place inserts this contract signing place this calling to the communication of this terminal 600.
Detailed process shown in Figure 6 is: at Pre-paid Platform 602 two signalling points are set in advance, signalling point A and signalling point B promptly are set; MSC401 at non-these terminal 600 contract signing places of administering this terminal 600 is provided with two groups of trunk group circuit that branch is clipped to signalling point A and signalling point B, be trunk group circuit 1 and trunk group circuit 2, the CIC scope of these two groups of trunk group circuit is identical, these two groups of trunk group circuit are not connected on the Pre-paid Platform 602 by transmission trunking, but at MSC401 the repeat circuit that has identical CIC in two groups of trunk group circuit of signalling point A and signalling point B are carried out from ring.When terminal 600 is initiated trunk call, MSC401 is routed to the speech channel of terminal 600 trunk calls on the repeat circuit of a free time in the trunk group circuit 1, and signalling route sends to the calling that carries the CIC of this idle relay circuit the signalling point A of Pre-paid Platform602 by the IAI/IAM of signalling system No.7 to Pre-paidPlatform602; After Pre-paid Platform 602 receives this calling, start billing function, this charge information that carries the CIC of this idle relay circuit is sent to MSC601 from the signalling point B of Pre-paid Platform 602 IAI/IAM by signalling system No.7; MSC601 receives after the calling of Pre-paid Platform 602, continues to be routed to the switching entity 603 in other networks.
Loopback has just taken place at MSC601 in the speech channel of these terminal 600 initiation trunk calls like this, and does not need to travel back across on the Pre-paid Platform 602.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of method that solves alternative channel, it is characterized in that, the outgoing trunk group circuit of switching entity to the incoming trunk group circuit of specific function switching entity and specific function switching entity to switching entity is set, the corresponding relation of two trunk group circuit is set, two trunk group circuit that will have corresponding relation at switching entity intersect from ring, and this method also comprises:
A, receive terminal when initiate inserting the calling of specific function switching entity when switching entity, give the incoming trunk circuit of this call distribution in the incoming trunk group circuit as speech channel, and this calling that will carry the cic circuit identification code that is dispensed into repeat circuit to some extent send to the specific function switching entity by signaling;
After B, the specific function switching entity that receives this calling are handled accordingly to this calling, obtain the outgoing trunk circuit in the outgoing trunk group circuit of cic circuit identification code correspondence of the repeat circuit that is dispensed into according to the corresponding relation of setting, the calling after this processing is sent to the outgoing trunk circuit of correspondence in the switching entity by signaling;
C, switching entity continue to continue after receiving calling after the processing of sending from the specific function switching entity.
2, the method for claim 1 is characterized in that, is provided with to receive signalling point and send signalling point in described specific function switching entity;
Described incoming trunk group circuit is the reception signalling point that is set to the specific function switching entity from switching entity;
Described outgoing trunk group circuit is that the transmission signalling point from the specific function switching entity is set to switching entity.
3, the method for claim 1 is characterized in that, a signalling point is set in described specific function switching entity;
Described incoming trunk group circuit is this signalling point that is set to the specific function switching entity from switching entity;
Described outgoing trunk group circuit is that this signalling point from the specific function switching entity is set to switching entity.
4, the method for claim 1 is characterized in that, the number of the outgoing trunk circuit in the number of the incoming trunk circuit in the incoming trunk group circuit of described setting and the outgoing trunk group circuit is identical.
5, the method for claim 1, it is characterized in that the corresponding relation of described two trunk group circuit is set up corresponding relation for the incoming trunk circuit in the incoming trunk group circuit and the outgoing trunk circuit in the outgoing trunk group circuit that will have the same circuits identification code;
The incoming trunk circuit in the incoming trunk group circuit and the outgoing trunk circuit in the outgoing trunk group circuit that perhaps will have same order are set up corresponding relation.
6, the method for claim 1 is characterized in that, described intersection from ring for have in the making a start of the incoming trunk circuit in the incoming trunk group circuit/receiving end and the outgoing trunk group circuit outgoing trunk circuit of corresponding relation receiving end/making a start links to each other.
7, the method for claim 1 is characterized in that, described switching entity is the mobile switching centre in the mobile network or is finishing the function of exchange entity or being the entity of finishing function of exchange in the fixed communication network in the public switched telephone network (PSTN).
8, the method for claim 1, it is characterized in that described specific function switching entity is to provide the entity that call charge service is provided for switching entity in the entity of IN service or the fixed communication network for switching entity provides in the entity of IN service or the mobile radio communication to switching entity provides in the entity of call charge service or the fixed communication network to switching entity in the mobile radio communication.
9, the method for claim 1 is characterized in that, described signaling is a common channel signalling.
10, the method for claim 1, it is characterized in that the calling of the described access specific function of steps A switching entity is to need the calling of specific function switching entity trigger intelligent business or be calling that needs specific function switching entity triggering call charge service or the calling that triggers communication service for the specific function switching entity.
Step B is described to be treated to trigger intelligent business accordingly or to trigger call charge service or the triggering communication service this calling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100316759A CN100384291C (en) | 2004-04-02 | 2004-04-02 | Method for resolving speech channel roundabout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100316759A CN100384291C (en) | 2004-04-02 | 2004-04-02 | Method for resolving speech channel roundabout |
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| Publication Number | Publication Date |
|---|---|
| CN1678117A true CN1678117A (en) | 2005-10-05 |
| CN100384291C CN100384291C (en) | 2008-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100316759A Expired - Fee Related CN100384291C (en) | 2004-04-02 | 2004-04-02 | Method for resolving speech channel roundabout |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101141515B (en) * | 2006-09-07 | 2011-06-22 | 中兴通讯股份有限公司 | Method of eliminating speech channel circuity in value-added service |
| CN1870762B (en) * | 2005-11-17 | 2011-08-24 | 华为技术有限公司 | Method and system for transmitting signalling message |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI974590A0 (en) * | 1997-12-22 | 1997-12-22 | Finland Telecom Oy | Viabestaemningsfoerfarande och- system |
| US6868268B2 (en) * | 2001-06-29 | 2005-03-15 | Bellsouth Intellectual Property Corporation | Audio calling name and number delivery |
| CN1177508C (en) * | 2001-08-07 | 2004-11-24 | 华为技术有限公司 | A Method for Realizing Roaming Calls of Intelligent Users in Different Places |
| CN1549573A (en) * | 2003-05-22 | 2004-11-24 | 中兴通讯股份有限公司 | Intelligent public telephone fast switch-in method |
-
2004
- 2004-04-02 CN CNB2004100316759A patent/CN100384291C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1870762B (en) * | 2005-11-17 | 2011-08-24 | 华为技术有限公司 | Method and system for transmitting signalling message |
| CN101141515B (en) * | 2006-09-07 | 2011-06-22 | 中兴通讯股份有限公司 | Method of eliminating speech channel circuity in value-added service |
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| Publication number | Publication date |
|---|---|
| CN100384291C (en) | 2008-04-23 |
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