CN114006889A - Voice gateway implementation method, voice gateway and IP voice communication system - Google Patents
Voice gateway implementation method, voice gateway and IP voice communication system Download PDFInfo
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Abstract
The invention relates to the technical field of digital communication, and discloses a voice gateway implementation method, a voice gateway and an IP voice communication system, which are used for linking a VOIP side outgoing route and an E1 side outgoing route in the voice gateway, so that after the outgoing route on one side is aged, the system can go to other dial routes in the first time. The invention establishes a linkage mechanism in an E1 side outgoing route and a V0IP side outgoing route configured by a voice gateway, wherein the linkage mechanism is used for enabling a VOIP side outgoing route to be invalid after the E1 side outgoing route is invalid and enabling an E1 side outgoing route to be invalid after the VOIP side outgoing route is invalid. The invention is suitable for network telephone communication.
Description
Technical Field
The present invention relates to the field of digital communication technologies, and in particular, to a voice gateway implementation method, a voice gateway, and an IP voice communication system.
Background
VOIP is an abbreviation of Voice Over IP network, and IP telephone is a typical application of VOIP in our daily life, and the application of VOIP on a router makes Voice traffic carried through IP network, such as traditional telephone traffic. The networking mode of the current voice for network telephone communication is shown in fig. 1, in the networking mode, an ethernet port of a voice gateway accesses a two-layer switching network composed of an sip (session Initiation protocol) server and an IP telephony device, an E1 interface (an E1 interface is a digital relay interface (also called a PCM, pulse code modulation) and is a coaxial cable leading from a program controlled switch, the data transmission rate on the cable is 2.048Mbps, and the cable can simultaneously accommodate voice data of 32 time slots × 64 Kbps) is connected with a line of an operator. The internal IP telephone A is registered on the SIP server, when the IP telephone A dials the mobile phone number, the call is firstly sent to the SIP server, then the SIP server is routed to the voice gateway through VOIP dialing, and the voice gateway is routed to the operator through the E1 circuit according to the configured outgoing route. If the user of handset needs to call the internal IP telephone A, the call is sent to the voice gateway through the operator E1 line, the voice gateway is sent to the SIP server through the configured VOIP side outgoing route, and then through the registered user of IP telephone A, the IP telephone A rings, and the call can be carried out after off-hook.
However, the networking scheme of fig. 1 has the following problems: the VOIP side outgoing route and the E1 side outgoing route on the voice gateway are relatively independent, when one outgoing route fails during dialing, the other outgoing route cannot be sensed, and the system cannot go to other dialing routes at the first time, so that the problems of dialing time waste, slow dialing route switching and the like are caused.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a voice gateway implementation method, a voice gateway and an IP voice communication system are provided, which are used for linking VOIP side outgoing route and E1 side outgoing route in the voice gateway, so that after the outgoing route on one side is aged, the system can go to other dial-up routes in the first time.
In order to solve the above problems, the present invention provides a method for implementing a voice gateway, where the voice gateway is configured with an E1-side outgoing route and a V0 IP-side outgoing route; a linkage mechanism is established between the two outgoing routes for disabling the VOIP side outgoing route after the failure of the E1 side outgoing route, and disabling the E1 side outgoing route after the failure of the VOIP side outgoing route.
Further, the method for establishing a linkage mechanism between two outgoing routes includes: adding a ganged command for pointing to the V0IP side outgoing route in a dial-peer (dal-peer) statement of the E1 side outgoing route; the dial peer statement for the outgoing route on the V0IP side adds a ganged command for pointing to the E1 side outgoing route.
Further, the specific implementation method of the linkage mechanism includes:
when the voice gateway deletes the failed E1 side outgoing route in the normally used dial-up route list, the voice gateway finds out the corresponding VOIP side outgoing route according to the failed E1 side outgoing route and the peer statement thereof, and deletes the VOIP side outgoing route in the normally used dial-up route list; when the voice gateway deletes the failed VOIP side outgoing route in the normally used dial-up routing list, the voice gateway finds out the corresponding E1 side outgoing route according to the failed VOIP side outgoing route and the peer statement thereof, and deletes the E1 side outgoing route in the normally used dial-up routing list.
Further, the method for implementing the voice gateway further includes:
when the E1-side outgoing route is restored, the VOIP-side outgoing route is also restored, and when the VOIP-side outgoing route is restored, the E1-side outgoing route is also restored.
The invention also provides a voice gateway, comprising: the system comprises a routing module, a detection module and a linkage control module;
the routing module is used for configuring an E1 side outgoing route and a V0IP side outgoing route, wherein the E1 side outgoing route and the V0IP side outgoing route are respectively used for dialing IP call equipment and operator equipment;
the detection module is used for detecting the states of the E1 side outgoing route and the V0IP side outgoing route in real time;
the linkage control module is used for executing corresponding linkage control according to the state of the outgoing route, and the linkage control comprises the following steps: the VOIP side outgoing route is disabled after the E1 side outgoing route is disabled, and the E1 side outgoing route is disabled after the VOIP side outgoing route is disabled.
Further, the linkage control module is specifically configured to add a linkage command for pointing to the V0 IP-side outgoing route in a dial peer statement of the E1-side outgoing route; the dial peer statement for the outgoing route on the V0IP side adds a ganged command for pointing to the E1 side outgoing route.
Further, the linkage control module is specifically configured to:
when the detection module detects that the invalid E1 side outgoing route is deleted in the normally used dialing route list, the linkage control module finds out the corresponding VOIP side outgoing route according to the invalid E1 side outgoing route and the sentence of the peer thereof, and deletes the VOIP side outgoing route in the normally used dialing route list;
when the detection module detects that the invalid VOIP side outgoing route is deleted in the normally used dial-up route list, the linkage control module finds out the corresponding E1 side outgoing route according to the invalid VOIP side outgoing route and the peer statement thereof, and deletes the E1 side outgoing route in the normally used dial-up route list.
Further, the linkage control module is further configured to: when the E1-side outgoing route is restored, the VOIP-side outgoing route is also restored, and when the VOIP-side outgoing route is restored, the E1-side outgoing route is also restored.
Based on the voice gateway, the invention also provides an IP voice communication system, which comprises an SIP server, IP call equipment and the voice gateway, wherein an Ethernet port of the voice gateway is accessed into a two-layer switching network consisting of the SIP server and the IP call equipment, an E1 interface of the voice gateway is connected with an operator, and the specific functions of the voice gateway can be referred to the functional description of the voice gateway.
The invention has the beneficial effects that: by establishing a linkage mechanism in the E1 side outgoing route and the V0IP side outgoing route, when the E1 line is broken, the VOIP side outgoing route is invalid, and then the server does not send the call to the outgoing gateway. When the outgoing route of the VOIP side is broken, the outgoing route of the E1 side is not effective, and meanwhile, the operator can not send the call to the E1 direction, so that the equipment on both sides can go through other dialing routes, and the time is saved for the whole dialing. Also, when the SIP server has a plurality of dial-up routes, the time for switching the dial-up routes by the IP voice communication system is shortened.
Drawings
Fig. 1 is a schematic diagram of networking of internet phone communication.
Fig. 2 is a block diagram of a voice gateway architecture of the present invention.
Detailed Description
When the voice gateway is configured with the E1 side outgoing route and the V0IP side outgoing route, the invention establishes a linkage mechanism in the E1 side outgoing route and the V0IP side outgoing route, and realizes the simultaneous failure or simultaneous recovery of the E1 side outgoing route and the V0IP side outgoing route through the linkage mechanism. The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
In this embodiment, a method for implementing a voice gateway is disclosed, where the voice gateway is configured with an E1-side outgoing route and a V0 IP-side outgoing route; establishing a linkage mechanism in two outgoing routes, wherein the linkage mechanism comprises linkage of two layers:
1) linkage failure; the VOIP side outgoing route is disabled after the E1 side outgoing route is disabled, and the E1 side outgoing route is disabled after the VOIP side outgoing route is disabled. Therefore, when the outgoing route of the VOIP side is broken, the outgoing route of the E1 side is not effective, and meanwhile, the operator can not send the call to the E1 direction, so that the equipment on both sides can go through other dialing routes, and the time is saved for the whole dialing. Meanwhile, when the SIP server has a plurality of dialing routes, the time for switching the dialing routes by the IP voice communication system can be shortened.
2) Linkage recovery: when the E1-side outgoing route is restored, the VOIP-side outgoing route is also restored, and when the VOIP-side outgoing route is restored, the E1-side outgoing route is also restored. Since the failure of the E1-side outgoing route or the V0 IP-side outgoing route is sometimes temporary, the SIP server and the operator's 2M can be facilitated to be validated together through the coordinated restoration after the failed outgoing route is restored.
The method for establishing a linkage mechanism in two outgoing routes in this embodiment may include: adding a ganged command for pointing to the V0IP side outgoing route in a dial-peer (dal-peer) statement of the E1 side outgoing route; the dial peer statement for the outgoing route on the V0IP side adds a ganged command for pointing to the E1 side outgoing route.
After the above linkage mechanism is established, the specific implementation process of the linkage of the embodiment is as follows:
when the voice gateway deletes the failed E1 side outgoing route in the normally used dial-up route list, the voice gateway finds out the corresponding VOIP side outgoing route according to the failed E1 side outgoing route and the peer statement thereof, and deletes the VOIP side outgoing route in the normally used dial-up route list; when the voice gateway deletes the failed VOIP side outgoing route in the normally used dial-up routing list, the voice gateway finds out the corresponding E1 side outgoing route according to the failed VOIP side outgoing route and the peer statement thereof, and deletes the E1 side outgoing route in the normally used dial-up routing list.
Finally, the voice gateway automatically realizes the linkage function of outgoing routes, when a fault occurs, the internal SIP server and the 2M of the operator do not take effect, and calls at two sides cannot be processed, so that the other side can conveniently walk other routes.
Example 2
In this embodiment, a voice gateway is disclosed, as shown in fig. 2, the voice gateway includes: the system comprises a routing module, a detection module and a linkage control module;
the routing module is used for configuring an E1 side outgoing route and a V0IP side outgoing route, and the E1 side outgoing route and the V0IP side outgoing route are respectively used for dialing IP call equipment and operator equipment.
The detection module is used for detecting the states of the E1 side outgoing route and the V0IP side outgoing route in real time.
The linkage control module is used for executing corresponding linkage control according to the state of the outgoing route, and the linkage control comprises linkage control of two layers:
1) when the E1 side outgoing route fails, the VOIP side outgoing route also fails, and when the VOIP side outgoing route fails, the E1 side outgoing route also fails;
2) when the E1-side outgoing route is restored, the VOIP-side outgoing route is also restored, and when the VOIP-side outgoing route is restored, the E1-side outgoing route is also restored.
In this embodiment, the linkage control module may specifically implement linkage between the E1-side outgoing route and the V0 IP-side outgoing route by the following method: adding linkage commands for pointing to the V0IP side outgoing route in a dialing peer statement of the E1 side outgoing route; the dial peer statement for the outgoing route on the V0IP side adds a ganged command for pointing to the E1 side outgoing route.
Based on the above modules, the specific working principle of the voice gateway is as follows:
s1, when the voice gateway works, the route module firstly configures the E1 side outgoing route and the V0IP side outgoing route which are respectively used for dialing IP communication equipment and operator equipment
S2, the detection module detects the state of the E1 side outgoing route and the V0IP side outgoing route in real time;
s3, when the detection module detects that the invalid E1 side outgoing route (which can be called as abnormal invalid outgoing route) is deleted in the dial routing list which is normally used, the linkage control module finds out the corresponding VOIP side outgoing route according to the invalid E1 side outgoing route and the statement of the peer thereof, and deletes the VOIP side outgoing route (which can be called as linkage invalid outgoing route) in the dial routing list which is normally used;
when the detection module detects that a failed VOIP side outgoing route (which can be called as an abnormal failed outgoing route) is deleted from a normally used dial-up route list, the linkage control module finds out a corresponding E1 side outgoing route according to the failed VOIP side outgoing route and a peer statement thereof, and deletes the E1 side outgoing route (which can be called as a linkage failed outgoing route) from the normally used dial-up route list;
and S4, for the failed outgoing route in S3, the detection module continues to detect the state of the failed outgoing route, and when the abnormally failed outgoing route is recovered, the linkage control module enables the linkage failed outgoing route to be recovered.
Finally, through the voice gateway of the embodiment, when a fault occurs, the internal SIP server and the 2M of the operator do not take effect, and the calls at both sides can not be processed, so that the opposite side can conveniently take other routes.
Example 3
In this embodiment, an IP voice communication system is disclosed, the networking mode of the system is similar to the existing networking mode shown in fig. 1, and as shown in fig. 1, the system includes an SIP server, an IP telephony device (for example, an IP phone), a voice gateway, and an operator, wherein an ethernet port of the voice gateway is connected to a two-layer switching network formed by the SIP server and the IP telephony device, and an E1 interface of the voice gateway is connected to the operator.
The principle of the voice gateway in this embodiment is the same as that of the voice gateway in embodiment 2, and the voice gateway also includes: the system comprises a routing module, a detection module and a linkage control module;
two outgoing routes for dialing are configured above the routing module: e1-side outgoing route and V0 IP-side outgoing route,
the instructions configured for the V0 IP-side outgoing route are:
the instructions configured for the E1-side outgoing route are:
in order to solve the problem that the voice gateway cannot realize the linkage between the VOIP side outgoing route and the E1 side outgoing route, the embodiment further adds a linkage mechanism to the two outgoing routes to add a configuration command: link data-peer numb, which makes mutual link commands on both dial routes. Finally, the complete configuration command is that for outgoing routing at the VOIP side:
on the E1 side, the outgoing route, the complete configuration command is:
thus, the linkage control module link data il-peer numb links the two outgoing routes, when the lines on the two sides of the voice gateway are normal, the VOIP side outgoing route and the E1 side outgoing route are effective and can be both normally outgoing and dialing, and according to the description in the networking diagram shown in the figure 1, the telephone of an operator can be called from an internal telephone, or the internal telephone can be called from the telephone of the operator.
When the 2M line on the E1 side is disconnected, the outgoing route on the E1 side fails, namely the outgoing route of the dial-peer 101voe1 fails, and the outgoing route is deleted in a dial routing list normally used on a voice gateway; after the voice gateway detects that the E1 side outgoing route is invalid through the detection module, the linkage control module disables the VOIP side outgoing route of the link, namely the dial-peer 100VOIP, and deletes the dial route in the list of the dial route which is normally used; therefore, after the SIP server sends the call to the voice gateway, the voice gateway does not return any message to the server and does not perform any processing. And after the SIP server senses the routing, the SIP server continues to search the routing and dials from the next outgoing route.
When the Ethernet fails, the output route of the VOIP side fails, namely the dial-peer 100VOIP fails, and the dial route is deleted from the dial route list normally used on the voice gateway; after the voice gateway detects that the VOIP dial-up route is invalid through the detection module, the linkage control module enables the E1 side outgoing route of the link to be invalid, namely the dial-peer 101voe1 is invalid, the dial-up route is deleted from a normal dial-up route list, and meanwhile, the protocol used by the E1 interface is invalid, so that the program-controlled switch of an operator detects that 2M has problems, a call cannot be sent from an E1 line, and the program-controlled switch of the operator can continuously search the route and send the route to other E1 lines.
Finally, the embodiment automatically realizes the linkage function of outgoing routes on the voice gateway, when a fault occurs, the internal SIP server and the 2M of the operator do not take effect, and the calls at both sides cannot be processed, so that the other side can conveniently walk other routes.
When the E1 line is recovered, the E1 side outgoing route takes effect, and after the dial-up route is found to be normal through the check of the detection module, the linkage control module enables the VOIP side outgoing route to take effect, and the two parties can continue to go out, thereby recovering the original functions of the VOIP and the normal conversation at the two sides of the E1 side. Similarly, when the VOIP line is recovered, the E1 side outgoing route takes effect, and after the dial-up route is found to be normal through the check of the detection module, the linkage control module enables the E1 side outgoing route to take effect, and the two parties can continue to go out, so that the original functions of the VOIP and the normal calls on the two sides of the E1 side are recovered.
The foregoing describes the general principles and features of the present invention and, together with the general principles of the invention, further modifications and improvements thereto, may be made without departing from the spirit and scope of the invention as set forth in the appended claims.
Claims (10)
1. A voice gateway implementation method, wherein the voice gateway is configured with an E1 side outgoing route and a V0IP side outgoing route; the method is characterized in that a linkage mechanism is established in the two outgoing routes, and the linkage mechanism is used for enabling the VOIP side outgoing route to be invalid after the E1 side outgoing route is invalid, and enabling the E1 side outgoing route to be invalid after the VOIP side outgoing route is invalid.
2. The voice gateway implementation of claim 1, wherein the method of establishing a linkage mechanism between two outgoing routes comprises: adding linkage commands for pointing to the V0IP side outgoing route in a dialing peer statement of the E1 side outgoing route; the dial peer statement for the outgoing route on the V0IP side adds a ganged command for pointing to the E1 side outgoing route.
3. The method for implementing the voice gateway according to claim 1, wherein the specific implementation method of the linkage mechanism comprises:
when the voice gateway deletes the failed E1 side outgoing route in the normally used dial-up route list, the voice gateway finds out the corresponding VOIP side outgoing route according to the failed E1 side outgoing route and the peer statement thereof, and deletes the VOIP side outgoing route in the normally used dial-up route list; when the voice gateway deletes the failed VOIP side outgoing route in the normally used dial-up route list, the voice gateway finds out the corresponding E1 side outgoing route according to the failed VOIP side outgoing route and the peer statement thereof, and deletes the E1 side outgoing route in the normally used dial-up route list.
4. A voice gateway implementation method according to any of claims 1-3, characterized in that the method further comprises:
when the E1-side outgoing route is restored, the VOIP-side outgoing route is also restored, and when the VOIP-side outgoing route is restored, the E1-side outgoing route is also restored.
5. Voice gateway, characterized in that, includes: the system comprises a routing module, a detection module and a linkage control module;
the routing module is used for configuring an E1 side outgoing route and a V0IP side outgoing route, wherein the E1 side outgoing route and the V0IP side outgoing route are respectively used for dialing IP call equipment and operator equipment;
the detection module is used for detecting the states of the E1 side outgoing route and the V0IP side outgoing route in real time;
the linkage control module is used for executing corresponding linkage control according to the state of the outgoing route, and the linkage control comprises the following steps: the VOIP side outgoing route is disabled after the E1 side outgoing route is disabled, and the E1 side outgoing route is disabled after the VOIP side outgoing route is disabled.
6. The voice gateway of claim 5, wherein the coordinated control module is specifically configured to add a coordinated command for pointing to a V0 IP-side outgoing route in a dial-up peer statement of an E1-side outgoing route; the dial peer statement for the outgoing route on the V0IP side adds a ganged command for pointing to the E1 side outgoing route.
7. The voice gateway of claim 5, wherein the coordinated control module is specifically configured to:
when the detection module detects that the invalid E1 side outgoing route is deleted in the normally used dialing route list, the linkage control module finds out the corresponding VOIP side outgoing route according to the invalid E1 side outgoing route and the sentence of the peer thereof, and deletes the VOIP side outgoing route in the normally used dialing route list;
when the detection module detects that the invalid VOIP side outgoing route is deleted in the normally used dial-up route list, the linkage control module finds out the corresponding E1 side outgoing route according to the invalid VOIP side outgoing route and the peer statement thereof, and deletes the E1 side outgoing route in the normally used dial-up route list.
8. The voice gateway of any of claims 5-7, wherein the coordinated control module is further configured to: when the E1-side outgoing route is restored, the VOIP-side outgoing route is also restored, and when the VOIP-side outgoing route is restored, the E1-side outgoing route is also restored.
IP voice communication system, characterized in that it comprises a SIP server, a IP telephony device and a voice gateway according to any of claims 5-7, the Ethernet port of which is connected to the two-layer switching network consisting of the SIP server and the IP telephony device, the E1 interface of which is connected to the operator.
10. The voice over IP communication system of claim 9, wherein the coordinated control module is further configured to: when the E1-side outgoing route is restored, the VOIP-side outgoing route is also restored, and when the VOIP-side outgoing route is restored, the E1-side outgoing route is also restored.
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| CN114006889B (en) | 2024-04-16 |
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