CN103916263A - Internet protocol address configuration method, device and system of video conference - Google Patents
Internet protocol address configuration method, device and system of video conference Download PDFInfo
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- CN103916263A CN103916263A CN201310728498.9A CN201310728498A CN103916263A CN 103916263 A CN103916263 A CN 103916263A CN 201310728498 A CN201310728498 A CN 201310728498A CN 103916263 A CN103916263 A CN 103916263A
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Abstract
The invention discloses an IP address configuration method, device and system of a video conference. The method comprises the steps that a server receives a registration message sent by a terminal; when it is determined that the terminal is located in a private network, the server obtains the IP address of a public network from the registration message; the server sends a registration response message to the terminal, and the registration response message carries the IP address of the public network; the terminal extracts the IP address of the public network from the received registration response message and stores the IP address of the public network; in a calling process, the terminal sets the IP address of the public network as the IP address of a signaling layer in a calling message of the terminal.
Description
Technical field
The present invention relates to the network communications technology, relate in particular to a kind of Internet protocol (Internet Protocol, IP) address configuration method, device and system of video conferencing.
Background technology
At present, Adoption Network address transition (Network Address Translation, NAT) technology solves the problem of shortage of ip address conventionally.Static NAT is a kind of implementation of NAT technology, has man-to-man mapping relations between public network IP address and private network IP address.This implementation is mapped as the external network public network IP address of (also claiming public network, public network) by fire compartment wall by the private network IP address of internal network (also claiming private network, private network), like this, the terminal in the private network of fire compartment wall one side can realize and communicating by letter with the public network of fire compartment wall opposite side.
Adopt the static NAT information of static NAT Technology Need at the terminal manual configuration local terminal of private network, described static NAT information comprises the public network IP address that private network IP address is corresponding, private network IP address is changed into public network IP address in signaling to realize the object of private network and public interworking between network.
But the static NAT information operating of manual configuration terminal is loaded down with trivial details, and, in the time that changing, network environment also needs again the static NAT information of manual configuration terminal, be unfavorable for the maintenance and operation of network.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of IP address configuration method, device and system of video conferencing, automatically the static NAT information of configurating terminal.
The Internet protocol IP address configuration method that the invention provides a kind of video conferencing, described method comprises:
Server receives registration message;
In the time determining terminal corresponding to described registration message in private network, described server obtains public network IP address from described registration message;
Described server sends registration reply message, and described registration reply message carries described public network IP address.
Preferably, described server obtains public network IP address and is from described registration message:
The source address of the IP layer of server from described registration message is obtained public network IP address.
Preferably, described method also comprises:
According to the IP address information in described registration message, determine that terminal that described registration message is corresponding is in private network.
The Internet protocol IP address configuration method that the invention provides a kind of video conferencing, described method comprises:
Terminal is extracted described public network IP address and is preserved from the registration reply message of receiving;
In calling procedure, the described public network IP address of described terminal is set to the IP address of the Signaling Layer in local terminal message related to calls.
The Internet protocol IP address configuration method that the invention provides a kind of video conferencing, described method comprises:
The registration message that server receiving terminal sends;
When definite described terminal is during in private network, described server obtains public network IP address from described registration message;
Described server sends registration reply message to described terminal, and described registration reply message carries described public network IP address;
Described terminal is extracted described public network IP address and is preserved from the registration reply message of receiving;
In calling procedure, the described public network IP address of described terminal is set to the IP address of the Signaling Layer in local terminal message related to calls.
Preferably, described server obtains public network IP address and is from described registration message:
The source address field of the IP layer of server from described registration message obtains public network IP address.
Preferably, described method also comprises:
According to the IP address information in described registration message, determine that described terminal is in private network.
The invention provides a kind of server, described server comprises:
Receiving element, for receiving registration message;
Obtain unit, for when terminal corresponding to definite described registration message is during in private network, from described registration message, obtain public network Internet protocol IP address;
Transmitting element, for sending registration reply message, described registration reply message carries described public network IP address.
Preferably, described acquisition unit, specifically in the time judging described terminal in private network, the source address field of the IP layer from described registration message obtains public network IP address.
Preferably, described acquiring unit, also for according to the IP address information of described registration message, determines that terminal that described registration message is corresponding is in private network.
The invention provides a kind of terminal, described terminal comprises:
Processing unit, for extracting described public network Internet protocol IP address and preserving from the registration reply message of receiving;
Setting unit, at calling procedure, described public network IP address is set to the IP address of the Signaling Layer in local terminal message related to calls.
The Internet protocol IP address configuration system of a kind of video conferencing of the present invention, described system comprises server and at least one terminal, wherein,
Described server, the registration message sending for receiving terminal when definite described terminal is during in private network, obtains public network IP address from described registration message; Send registration reply message to described terminal, described registration reply message carries described public network IP address;
Described terminal, for extracting described public network IP address and preserving from the registration reply message of receiving; In calling procedure, described public network IP address is set to the IP address of the Signaling Layer in local terminal message related to calls.
Preferably, described in, obtaining public network IP address is:
The source address field of the IP layer from described registration message obtains public network IP address.
Preferably, described server, also for according to the IP address information of described registration message, determines that terminal that described registration message is corresponding is in private network.
As from the foregoing, technical scheme of the present invention comprises: the registration message that server receiving terminal sends; When definite described terminal is during in private network, described server obtains public network IP address from described registration message; Described server sends registration reply message to described terminal, and described registration reply message carries described public network IP address; Described terminal is extracted described public network IP address and is preserved from the registration reply message of receiving; In calling procedure, the described public network IP address of described terminal is set to the IP address of the Signaling Layer in local terminal message related to calls.Thus, the present invention can realize the static NAT information of automatic configurating terminal.
Accompanying drawing explanation
The realization flow figure of the Internet protocol IP address configuration method of a kind of video conferencing that Fig. 1 provides for the embodiment of the present invention;
The realization flow figure of the Internet protocol IP address configuration method of the another kind of video conferencing that Fig. 2 provides for the embodiment of the present invention;
The realization flow figure of the Internet protocol IP address configuration method of another video conferencing that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the server that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the terminal that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of Internet protocol IP address configuration system that Fig. 6 provides for the embodiment of the present invention.
Embodiment
The embodiment of the Internet protocol IP address configuration method of a kind of video conferencing provided by the invention, as shown in Figure 1, described method comprises:
Step 101, server receive after registration message, judges that whether terminal that registration message is corresponding is in private network;
Here, described server can be the SIP registrar server in GK server or the SIP network in H323 network, can be placed in the public network outside private network fire compartment wall.
Step 102, when judging that described terminal is during in private network, server obtains public network IP address from described registration message;
Here,, in the time judging described terminal in public network, server can not obtain public network IP address from described registration message.
Step 103, server send registration reply message, and described registration reply message carries described public network IP address.
Preferably, described server obtains public network IP address and is from described registration message:
The source address of the IP layer of server from described registration message is obtained public network IP address.
Preferably, describedly judge whether described terminal comprises in private network:
According to the IP address information in described registration message, judge that whether terminal that described registration message is corresponding is in private network.
Concrete, can be whether consistent with the IP address of IP layer according to the IP address of Signaling Layer in described registration message, judge that whether described terminal is in private network; When the IP address of Signaling Layer and the IP address of IP layer inconsistent, judge described in private network; When the IP address of Signaling Layer and the IP address of IP layer consistent, judge described in public network.
The embodiment of another kind of Internet protocol IP address configuration method provided by the invention, as shown in Figure 2, described method comprises:
Step 201, terminal are extracted described public network IP address and are preserved from the registration reply message of receiving;
Step 202, in calling procedure, the described public network IP address of described terminal is set to the IP address of the Signaling Layer in local terminal message related to calls.
The Internet protocol IP address configuration method of another video conferencing provided by the invention, as shown in Figure 3, described method comprises:
Step 301, server are received after the registration message of terminal transmission, are judged that whether described terminal is in private network;
Here, described server can be placed in public network, and the terminal in private network sends log-on message to server by fire compartment wall.
Step 302, when judging that described terminal is during in private network, server obtains public network IP address from described registration message;
Step 303, server send registration reply message to described terminal, and described registration reply message carries described public network IP address;
Step 304, described terminal are extracted described public network IP address and are preserved from the registration reply message of receiving;
Step 305, in calling procedure, the described public network IP address of described terminal is set to the IP address of the Signaling Layer in local terminal message related to calls.
Preferably, described server obtains public network IP address and is from described registration message:
The source address field of the IP layer of server from described registration message obtains public network IP address.
Preferably, describedly judge whether described terminal comprises in private network:
According to the IP address information in described registration message, judge that whether described terminal is in private network.
Concrete, can be whether consistent with the IP address of IP layer according to the IP address of Signaling Layer in described registration message, judge that whether described terminal is in private network; When the IP address of Signaling Layer and the IP address of IP layer inconsistent, judge described in private network; When the IP address of Signaling Layer and the IP address of IP layer consistent, judge described in public network.
The present invention utilizes the unified identification of server and network management private terminal, notify the public network IP address of terminal in private network by extended registration response message field method, private net terminal configures the static NAT address of local terminal automatically by obtaining public network IP address in registration reply message, the realization of intelligence static NAT pass through.
A kind of server provided by the invention, as shown in Figure 4, described server comprises:
Receiving element 401, for receiving registration message
Obtain unit 402, for when terminal corresponding to definite described registration message is during in private network, from described registration message, obtain public network IP address;
Transmitting element 403, for sending registration reply message, described registration reply message carries described public network IP address.
Preferably, described acquisition unit 402, specifically in the time judging described terminal in private network, the source address field of the IP layer from described registration message obtains public network IP address.
Preferably, described acquiring unit 402, also for according to the IP address information of described registration message, determines that terminal that described registration message is corresponding is in private network.
Concrete, can be whether consistent with the IP address of IP layer according to the IP address of Signaling Layer in described registration message, judge that whether described terminal is in private network; When the IP address of Signaling Layer and the IP address of IP layer inconsistent, judge described in private network; When the IP address of Signaling Layer and the IP address of IP layer consistent, judge described in public network.
In actual applications, above-mentioned receiving element 401, acquisition unit 402 and transmitting element 403 can be by (the Central Processing Unit of the central processing unit in server, CPU), digital signal processor (Digital Signal Processor, DSP) or programmable logic array (Field-Programmable Gate Array, FPGA) realize.
A kind of terminal provided by the invention, as shown in Figure 5, described terminal comprises:
Processing unit 501, for extracting described public network IP address and preserving from the registration reply message of receiving;
Setting unit 502, at calling procedure, described public network IP address is set to the IP address of the Signaling Layer in local terminal message related to calls.
In actual applications, above-mentioned processing unit 501 and setting unit 502 can be realized by the CPU in terminal, DSP or FPGA.
A kind of Internet protocol IP address configuration system provided by the invention, as shown in Figure 6, described system comprises server and at least one terminal, wherein,
Described server 601, the registration message sending for receiving terminal when definite described terminal is during in private network, obtains public network IP address from described registration message; Send registration reply message to described terminal, described registration reply message carries described public network IP address;
Described terminal 602, for extracting described public network IP address and preserving from the registration reply message of receiving; In calling procedure, described public network IP address is set to the IP address of the Signaling Layer in local terminal message related to calls.
Preferably, described in, obtaining public network IP address is:
The source address field of the IP layer from described registration message obtains public network IP address.
Preferably, described server, also for according to the IP address information of described registration message, determines that terminal that described registration message is corresponding is in private network.
Concrete, can be whether consistent with the IP address of IP layer according to the IP address of Signaling Layer in described registration message, judge that whether described terminal is in private network; When the IP address of Signaling Layer and the IP address of IP layer inconsistent, judge described in private network; When the IP address of Signaling Layer and the IP address of IP layer consistent, judge described in public network.
In sum, server is received after the registration message of video terminal transmission, is judged that whether described terminal is in private network; In the time judging described terminal in private network, server obtains public network IP address from described registration message; Server sends registration reply message to described terminal, and described registration reply message carries described public network IP address; Described terminal is extracted described public network IP address and is preserved from the registration reply message of receiving; In calling procedure, the described public network IP address of described terminal is set to the IP address of the Signaling Layer in local terminal message related to calls.Wherein server refers to the SIP registrar server in GK server or the SIP network in H323 network, after terminal is registered to it, and server management of terminal information.
The present invention is applied to H.323 agreement and Session initiation Protocol (Session Initiation Protocol, SIP) communication, the present invention is by the original registration reply message of expansion, terminal in private network obtains corresponding public network IP address information, automatically the static NAT information of configurating terminal, realizing simply, NAT traversing method efficiently.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (14)
1. an Internet protocol IP address configuration method for video conferencing, is characterized in that, described method comprises:
Server receives registration message;
In the time determining terminal corresponding to described registration message in private network, described server obtains public network IP address from described registration message;
Described server sends registration reply message, and described registration reply message carries described public network IP address.
2. method according to claim 1, is characterized in that, described server obtains public network IP address and is from described registration message:
The source address of the IP layer of server from described registration message is obtained public network IP address.
3. method according to claim 1, is characterized in that, described method also comprises:
According to the IP address information in described registration message, determine that terminal that described registration message is corresponding is in private network.
4. an Internet protocol IP address configuration method for video conferencing, is characterized in that, described method comprises:
Terminal is extracted described public network IP address and is preserved from the registration reply message of receiving;
In calling procedure, the described public network IP address of described terminal is set to the IP address of the Signaling Layer in local terminal message related to calls.
5. an Internet protocol IP address configuration method for video conferencing, is characterized in that, described method comprises:
The registration message that server receiving terminal sends;
When definite described terminal is during in private network, described server obtains public network IP address from described registration message;
Described server sends registration reply message to described terminal, and described registration reply message carries described public network IP address;
Described terminal is extracted described public network IP address and is preserved from the registration reply message of receiving;
In calling procedure, the described public network IP address of described terminal is set to the IP address of the Signaling Layer in local terminal message related to calls.
6. method according to claim 5, is characterized in that, described server obtains public network IP address and is from described registration message:
The source address field of the IP layer of server from described registration message obtains public network IP address.
7. method according to claim 5, is characterized in that, described method also comprises:
According to the IP address information in described registration message, determine that described terminal is in private network.
8. a server, is characterized in that, described server comprises:
Receiving element, for receiving registration message;
Obtain unit, for when terminal corresponding to definite described registration message is during in private network, from described registration message, obtain public network Internet protocol IP address;
Transmitting element, for sending registration reply message, described registration reply message carries described public network IP address.
9. server according to claim 8, is characterized in that, described acquisition unit, and specifically in the time judging described terminal in private network, the source address field of the IP layer from described registration message obtains public network IP address.
10. server according to claim 8, is characterized in that, described acquiring unit, also for according to the IP address information of described registration message, determines that terminal that described registration message is corresponding is in private network.
11. 1 kinds of terminals, is characterized in that, described terminal comprises:
Processing unit, for extracting described public network Internet protocol IP address and preserving from the registration reply message of receiving;
Setting unit, at calling procedure, described public network IP address is set to the IP address of the Signaling Layer in local terminal message related to calls.
The Internet protocol IP address configuration system of 12. 1 kinds of video conferencing, is characterized in that, described system comprises server and at least one terminal, wherein,
Described server, the registration message sending for receiving terminal when definite described terminal is during in private network, obtains public network IP address from described registration message; Send registration reply message to described terminal, described registration reply message carries described public network IP address;
Described terminal, for extracting described public network IP address and preserving from the registration reply message of receiving; In calling procedure, described public network IP address is set to the IP address of the Signaling Layer in local terminal message related to calls.
13. systems according to claim 12, is characterized in that, described in obtain public network IP address and be:
The source address field of the IP layer from described registration message obtains public network IP address.
14. systems according to claim 12, is characterized in that, described server, also for according to the IP address information of described registration message, determines that terminal that described registration message is corresponding is in private network.
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| CN201310728498.9A CN103916263A (en) | 2013-12-25 | 2013-12-25 | Internet protocol address configuration method, device and system of video conference |
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Patent Citations (4)
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| CN1767493A (en) * | 2004-10-29 | 2006-05-03 | 北京佳讯飞鸿电气有限责任公司 | System and method for realizing VOIP service crossing LAN |
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