CN105812597A - Implementation method for accessing PSTN (public switched telephone network) during remote deployment of terminals in IP scheduling system - Google Patents

Implementation method for accessing PSTN (public switched telephone network) during remote deployment of terminals in IP scheduling system Download PDF

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Publication number
CN105812597A
CN105812597A CN201610206888.3A CN201610206888A CN105812597A CN 105812597 A CN105812597 A CN 105812597A CN 201610206888 A CN201610206888 A CN 201610206888A CN 105812597 A CN105812597 A CN 105812597A
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terminal
gateway
pstn
route
region
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CN201610206888.3A
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CN105812597B (en
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孙聪
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Beijing Jiaxun Feihong Electrical Co Ltd
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Beijing Jiaxun Feihong Electrical Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0024—Services and arrangements where telephone services are combined with data services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/128—Details of addressing, directories or routing tables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/1285—Details of finding and selecting a gateway for a particular call
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/186—Processing of subscriber group data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H04W84/22—Self-organising networks, e.g. ad-hoc networks or sensor networks with access to wired networks

Abstract

The invention discloses an implementation method for accessing a PSTN (public switched telephone network) during remote deployment of terminals in an IP scheduling system. The method comprises the following steps: grouping the terminals on the basis of regions according to user numbers of the terminals; adding optional configuration of calling restriction in a route configuration for restricting the user group using the route; setting a gateway connected with the PSTN in each region according to the grouping, and establishing a corresponding route between each scheduling cluster server and each gateway; and when the terminal calls a public network number, determining the route line according to the group of the terminal and the set calling restriction, selecting the gateway at the attribution of the terminal to access the PSTN for communication. Under the condition that the scheduling cluster servers and the terminals are remotely deployed and connected with the PSTN in the IP scheduling system, the problem that the use is inconvenient since an area code is required to be dialed while the terminals at different attributions are calling the local public network telephone is effectively solved, and the problem of producing unnecessary long-distance call charges is avoided.

Description

When in a kind of IP dispatching patcher, terminal strange land is disposed, access PSTN's realizes method
Technical field
That accesses PSTN when the present invention relates to the deployment of a kind of terminal strange land realizes method, and that accesses PSTN when particularly relating to terminal strange land deployment in a kind of IP dispatching patcher realizes method, belongs to communication technical field.
Background technology
In existing IP dispatching patcher, scheduling cluster server can pass through voice gateways and connect with PSTN (PublicSwitchedTelephoneNetwork, i.e. public switched telephone network), and networking structure is as shown in Figure 1.When called number is interpreted as public network phone, call business is routed to gateway Gateway_A according to routing configuration R-CA-GA by scheduling cluster server Center_A, then goes to PSTN and carries out called subscriber's addressing.
Under this type of system group network pattern, when in IP dispatching patcher, how dispatch terminal existence is disposed, the on-site terminal of non-scheduled cluster server then must dial local area code when the local public network phone of calling, and actual talk business is toll message.
As in figure 2 it is shown, scheduling cluster server Center_A with being deployed in A (Beijing), terminal UE _ B_1 is (Guangzhou) with being deployed in B.Terminal in all dispatching patchers is all registered on Pekinese's central server.When terminal UE _ B_1 needs the public network phone of calling this locality: 9-66668888 is (assuming that the public network telephone service identification code arranged in IP dispatching patcher is 9, below all as example) time, local area code must be dialed, that is: 9-020-66668888, otherwise can by acquiescence as Beijing local call: 9-010-66668888.Thus there is user in-convenience in use and produce extra toll message expense problem.Terminal UE _ B_1 equally exists problems when dialing special service number.
In order to solve the problems referred to above, realize the mode of strange land group network, also serve as a kind of mechanism improving system reliability simultaneously, the bicentric mode in strange land generally can be adopted to dispose, Liang Ge adheres at center two places separately and standby each other, is connected with local PSTN each via gateway.As shown in Figure 3, its realization mechanism can simply be interpreted as: two places user belongs to two territories respectively, terminal use is registered in its home domain under normal circumstances, when breaking down in one of them center, the user of its ownership place can switch and is registered to another one center, center, opposite end receivability user roams, and can normally provide service.When double; two centers are all normal, terminal UE _ A_1 is registered on scheduling cluster server Center_A, and service channel is Center_A；Terminal UE _ B_1 is registered on scheduling cluster server Center_B, and service channel is Center_B.When terminal UE _ A_1 calls public network phone 9-66668888, calling PSTN network by gateway Gateway_A, the called subscriber of final calling is UE_X (010-66668888)；When terminal UE _ B_1 calls public network phone 9-66668888, calling PSTN network by gateway Gateway_B, the called subscriber of final calling is UE_Y (020-66668888).
But, when dispatching cluster server Center_A exception, terminal UE _ A_1 switching is registered on scheduling cluster server Center_B, service channel also changes Center_B therewith into, when terminal UE _ A_1 needs calling public network phone, calling PSTN network only by gateway Gateway_B, now user's not perception registrar switches, it is likely that cause that call failure or calling make mistakes.
Summary of the invention
For the deficiencies in the prior art, the technical problem to be solved is in that to provide in a kind of IP dispatching patcher terminal strange land access PSTN when disposing realize method.
For achieving the above object, the present invention adopts following technical scheme:
That accesses PSTN in a kind of IP dispatching patcher during the deployment of terminal strange land realizes method, comprises the steps:
Terminal is grouped by the Subscriber Number according to terminal according to region；
Routing configuration increases caller restriction can arrangement, for limiting the user's group using described route；
According to packet, a gateway connecting PSTN is set in each region, and makes to set up between each scheduling cluster server and each gateway a corresponding route；
When terminal call public network number, limit according to the caller of the packet at terminal place and setting and determine route lines, select the gateway accessing PSTN on terminal attaching ground to converse.
Wherein more preferably, terminal is grouped by the described Subscriber Number according to terminal according to region, comprises the steps:
Obtain the Subscriber Number of terminal, it is judged that whether Subscriber Number carries out region differentiation according to number section, if it is, Subscriber Number is grouped according to a number section；
If it is not, then obtain the Subscriber Number register information table of storage, by contrasting the region confirmed belonging to Subscriber Number one by one, and then Subscriber Number is grouped.
Wherein more preferably, when the caller in routing configuration limits and do not configure, described route can be used by all terminals；When setting caller restriction in routing configuration, described route uses when can only be breathed out by the caller group within the scope of restriction.
Wherein more preferably, described according to packet, a gateway connecting PSTN is set in each region, and makes to set up between each scheduling cluster server and each gateway a corresponding route, comprise the steps:
S31, according to packet, judges whether region exists a gateway connecting PSTN one by one；If described region is fitted without connecting the gateway of PSTN, then increase a gateway connecting PSTN in described region；Otherwise, step S32 is turned to；
S32, it is judged that whether there is route between each scheduling cluster server and gateway, if it is present turn to step S33；Otherwise, between each scheduling cluster server and gateway, a corresponding route is set up；
S33, repeats step S31～S32, until each region arranges a gateway connecting PSTN in packet, sets up a corresponding route between each scheduling cluster server and each gateway.
Wherein more preferably, described terminal is any one in pc client, IP phone, base, mobile phone.
What in IP dispatching patcher provided by the present invention, PSTN was accessed in terminal strange land when disposing realizes method, by be grouped and in routing configuration, increase caller restriction can arrangement so that particular way is used by when can only be breathed out by the caller group within the scope of restriction.Then basis is grouped in each region and arranges a gateway connecting PSTN, and makes to set up between each scheduling cluster server and each gateway a corresponding route；When terminal call public network number, select the gateway accessing PSTN on terminal attaching ground, converse, efficiently solve scheduling cluster server and terminal exist strange land dispose and by gateway be connected with PSTN when, the user of different ownership place is when calling public network phone, it is easy to cause the problem that call failure or calling make mistakes.
Accompanying drawing explanation
Fig. 1 is in existing IP dispatching patcher, the schematic diagram of terminal call this locality public network phone；
Fig. 2 is in existing IP dispatching patcher, when how terminal existence is disposed, and the schematic diagram of terminal call this locality, various places public network phone；
Fig. 3 is in existing IP dispatching patcher, when adopting the bicentric mode in strange land to dispose, and the schematic diagram of various places terminal call public network phone；
Fig. 4 is the flow chart of PSTN is accessed in the terminal strange land method that realizes when disposing in IP dispatching patcher provided by the present invention；
Fig. 5 is in one embodiment of the present of invention, when how terminal existence is disposed, and the schematic diagram of terminal call this locality, various places public network phone；
Fig. 6 is in one embodiment of the present of invention, when adopting the bicentric mode in strange land to dispose, and the schematic diagram of various places terminal call public network phone.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the technology contents of the present invention is carried out detailed specific description.
The gateway accessing of calling subscribe's ownership place is can select that during for realizing non-scheduled cluster server location terminal call public network number, the method that realizes that the present invention proposes together decides on the strategy of route according to calling number and called number, completes the terminal calling to public network number.As shown in Figure 4, that accesses PSTN in IP dispatching patcher provided by the present invention during the deployment of terminal strange land realizes method, comprises the steps: first, according to region, terminal is grouped according to the Subscriber Number of terminal；Secondly, increase in routing configuration caller restriction can arrangement, for limiting the user's group using this route；Then, according to packet, a gateway connecting PSTN is set in each region, and makes to set up between each scheduling cluster server and each gateway a corresponding route；Finally, when terminal call public network number, limit according to the caller of the packet at terminal place and setting and determine route lines, select the gateway accessing PSTN of user ascription area, converse.Below this process is done detailed specific description.
S1, is grouped terminal according to region according to the Subscriber Number of terminal.
In IP dispatching patcher, the user of zones of different is commonly accorded different number prefixes, it is possible to user is grouped according to region according to the Subscriber Number of terminal.Number prefix is the prefix of number, is start and a string number of continuous print from first in number.Number prefix both can be the previous position of number or former item code, it is also possible to is whole numbers of number.In actual IP dispatching patcher, the Subscriber Number in some place carries out region differentiation according to number section, and in embodiment provided by the present invention, number section preferably takes area code.Such as: 010 represents Beijing；021 represents Shanghai.But, the Subscriber Number number of the being not necessarily to section in some place is distinguished, so Subscriber Number carries out the mode that packet adopts all number and non-all number to combine, also can be grouped even if two places Subscriber Number can not be distinguished in strict accordance with number section.Specifically include following steps:
Obtain the Subscriber Number of terminal, it is judged that whether Subscriber Number carries out region differentiation according to number section, if carrying out region differentiation according to number section, then according to a number section, Subscriber Number is grouped；
Carry out region differentiation if not according to number section, then obtain the Subscriber Number register information table of storage, by contrasting the region confirmed belonging to Subscriber Number one by one, and then Subscriber Number is grouped.
Wherein, Subscriber Number register information table is registered when Subscriber Number is registered, and is stored in the Database Systems on backstage.
S2, in routing configuration increase caller restriction can arrangement, for limit use this route user's group.
In embodiment provided by the present invention, routing configuration except comprising the information such as necessary far-end address, port, increase caller restriction can arrangement, for limit use this route user's group.When caller restriction does not configure, this route can be used by all terminals；When setting caller restriction, this route uses when can only be breathed out by the caller group within the scope of restriction.By the setting that caller limits, can ensure that the terminal of different ownership place is when calling public network phone, scheduling cluster server ensures that when not changing system dialing rule and decoding rule the gateway accessing PSTN selecting terminal attaching ground is to meet subscriber dialing custom, to avoid toll message.
S3, according to packet, arranges a gateway connecting PSTN, and makes to set up between each scheduling cluster server and each gateway a corresponding route in each region.
According to packet, judge whether each region exists a gateway connecting PSTN, a gateway connecting PSTN is increased in the region of the gateway being absent from this connection PSTN, and make dispatching patcher is set up between each scheduling cluster server and each gateway a corresponding route, specifically include following steps:
S31, according to packet, judges whether region exists a gateway connecting PSTN one by one；If this region is fitted without connecting the gateway of PSTN, then increase a gateway connecting PSTN in this region；Otherwise, step S32 is turned to；
S32, it is judged that whether there is route between each scheduling cluster server and gateway, if it is present turn to step S33；Otherwise, between each scheduling cluster server and gateway, a corresponding route is set up.
S33, repeats step S31～S32, until each region arranges a gateway connecting PSTN in packet, sets up a corresponding route between each scheduling cluster server and each gateway.
It is described in detail with two specific embodiments below.As shown in Figure 5, in first embodiment provided by the present invention, according to packet, user's (terminal) of two places is divided into user to organize Group_A, user organizes Group_B, terminal UE _ A_1 belongs to user and organizes Group_A, and terminal UE _ B_1 belongs to user and organizes Group_B.Wherein, terminal UE _ A_1 and terminal UE _ B_1 can be the one in pc client, IP phone, base, mobile phone etc..Fig. 5 show single centre deployment scenario, only need to increase a gateway Gateway_B connecting PSTN at B, then in scheduling cluster server, increase a corresponding route R-CA-GB, can ensure to set up a corresponding route between scheduling cluster server and each gateway.
In routing configuration, the caller restriction of route R-CA-GA is set to user and organizes Group_A, and the caller restriction of route R-CA-GB is set to user and organizes Group_B.In business plan configuration prefix be 9 configuration item in corresponding route be set to R-CA-GB R-CA-GA two, then shown in routing configuration the example such as table 1, table 2 and table 3 of the scheduling cluster server in system shown in Figure 5.
Table 1 user organizes allocation list
Table 2 routing configuration table
Table 3 business plan allocation list
As shown in Figure 6, in the second embodiment provided by the present invention, according to packet, user's (terminal) of two places is divided into user to organize Group_A, user organizes Group_B, terminal UE _ A_1 belongs to user and organizes Group_A, and terminal UE _ B_1 belongs to user and organizes Group_B.Fig. 6 show double; two centers, strange land deployment mode, and all there are scheduling cluster server and gateway in various places.Only between scheduling cluster server Center_A and gateway Gateway_B, and between scheduling cluster server Center_A and gateway Gateway_B, a corresponding route R-CA-GB and R-CB-GA need to be increased respectively.Can ensure to set up between each scheduling cluster server and each gateway a corresponding route.
S4, when terminal call public network number, limits according to the caller of the packet at terminal place and setting and determines route, select the gateway accessing PSTN on terminal attaching ground, converse.
As it is shown in figure 5, in first embodiment provided by the present invention, system is single centre deployment scenario.When terminal UE _ B_1 is registered on scheduling cluster server Center_A, when calling public network phone by dispatching cluster server Center_A, when terminal call public network number, route R-CA-GB is determined in packet and the caller restriction of setting according to terminal place, the gateway Gateway_B selecting terminal attaching ground accesses PSTN, converses.And terminal UE _ A_1 is when calling public network phone by Center_A, limits according to the caller of the packet at terminal place and setting and determine route R-CA-GA, select the gateway Gateway_A on terminal attaching ground to access PSTN, converse.Thus ensure that the gateway accessing PSTN that can select user ascription area under not changing the premise of dialing rule of dispatching patcher according to calling number, decreasing calling local call and also needing to add the operation of dial area code, avoiding unnecessary toll message expense simultaneously.
As shown in Figure 6, in the second embodiment provided by the present invention, system is double; two centers, strange land deployment modes, and all there are scheduling cluster server and gateway in various places.Scheduling cluster server Center_A and Center_B all registers with terminal UE _ B_1 and the log-on message of terminal UE _ A_1.Under normal circumstances, terminal UE _ B_1 calls public network phone by dispatching cluster server Center_B, when terminal call public network number, limits according to the caller of the packet at terminal place and setting and determines route R-CB-GB, the gateway Gateway_B selecting terminal attaching ground accesses PSTN, converses.In like manner, when terminal UE _ A_1 calls public network number, limit according to the caller of the packet at terminal place and setting and determine route R-CA-GA, select the gateway Gateway_A on terminal attaching ground to access PSTN, converse.nullWhen dispatching cluster server Center_A exception，Terminal UE _ A_1 only exists the log-on message being registered on scheduling cluster server Center_B，Service channel also changes Center_B therewith into，When terminal UE _ A_1 needs calling public network phone，Route R-CA-GB is determined in packet and the caller restriction of setting according to terminal place，The gateway Gateway_A still selecting terminal attaching ground accesses PSTN，Converse，Thus ensure that the gateway accessing PSTN that can select user ascription area under not changing the premise of dialing rule of dispatching patcher according to calling number，Decrease calling local call and also need to add the operation of dial area code，Avoid call failure or calling makes mistakes，Even if certain central fault can be realized cause that user roams，Still ensure that the gateway accessing PSTN selecting terminal attaching ground when calling public network phone.
In sum, that accesses PSTN in IP dispatching patcher provided by the present invention during the deployment of terminal strange land realizes method, terminal is grouped according to region according to the Subscriber Number of terminal；According to packet, a gateway connecting PSTN is set in each region, and makes to set up between each scheduling cluster server and each gateway a corresponding route；When terminal call public network number, limit according to the caller of the packet at terminal place and setting and determine route lines, select the gateway accessing PSTN on terminal attaching ground to converse.According to numbers of calling and called parties determine the method for route can efficiently solve IP dispatching patcher is dispatched cluster server and terminal exist strange land dispose and be connected with PSTN when, the terminal of different ownership place need to add the inconvenient problem with use of dial area code when the local public network phone of calling, avoids the problem producing unnecessary toll message expense simultaneously.
The method that realizes accessing PSTN when above terminal strange land in IP dispatching patcher provided by the present invention being disposed has been described in detail.For one of ordinary skill in the art, any apparent change under the premise without departing substantially from true spirit, it done, all by composition to infringement of patent right of the present invention, corresponding legal responsibility will be undertaken.

Claims (5)

1. when in an IP dispatching patcher, terminal strange land is disposed, access PSTN's realizes method, it is characterised in that comprise the steps:
Terminal is grouped by the Subscriber Number according to terminal according to region；
Routing configuration increases caller restriction can arrangement, for limiting the user's group using described route；
According to packet, a gateway connecting PSTN is set in each region, and makes to set up between each scheduling cluster server and each gateway a corresponding route；
When terminal call public network number, limit according to the caller of the packet at terminal place and setting and determine route lines, select the gateway accessing PSTN on terminal attaching ground to converse.
2. when in IP dispatching patcher as claimed in claim 1, terminal strange land is disposed, access PSTN's realizes method, it is characterised in that terminal is grouped by the described Subscriber Number according to terminal according to region, comprises the steps:
Obtain the Subscriber Number of terminal, it is judged that whether Subscriber Number carries out region differentiation according to number section, if it is, Subscriber Number is grouped according to a number section；
If it is not, then obtain the Subscriber Number register information table of storage, by contrasting the region confirmed belonging to Subscriber Number one by one, and then Subscriber Number is grouped.
3. when in IP dispatching patcher as claimed in claim 1, terminal strange land is disposed, access PSTN's realizes method, it is characterised in that:
When the caller in routing configuration limits and do not configure, described route can be used by all terminals；When setting caller restriction in routing configuration, described route uses when can only be breathed out by the caller group within the scope of restriction.
4. when in IP dispatching patcher as claimed in claim 1, terminal strange land is disposed, access PSTN's realizes method, it is characterized in that, described according to packet, one gateway connecting PSTN is set in each region, and make to set up between each scheduling cluster server and each gateway a corresponding route, comprise the steps:
S31, according to packet, judges whether region exists a gateway connecting PSTN one by one；If described region is fitted without connecting the gateway of PSTN, then increase a gateway connecting PSTN in described region；Otherwise, step S32 is turned to；
S32, it is judged that whether there is route between each scheduling cluster server and gateway, if it is present turn to step S33；Otherwise, between each scheduling cluster server and gateway, a corresponding route is set up；
S33, repeats step S31～S32, until each region arranges a gateway connecting PSTN in packet, sets up a corresponding route between each scheduling cluster server and each gateway.
5. when in IP dispatching patcher as claimed in claim 1, terminal strange land is disposed, access PSTN's realizes method, it is characterised in that:
Described terminal is any one in pc client, IP phone, base, mobile phone.
CN201610206888.3A 2016-04-05 2016-04-05 The implementation method of PSTN is accessed in a kind of IP scheduling system when the deployment of terminal strange land Active CN105812597B (en)

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