CN108337388A - Voip communications method and router - Google Patents
Voip communications method and router Download PDFInfo
- Publication number
- CN108337388A CN108337388A CN201710044294.1A CN201710044294A CN108337388A CN 108337388 A CN108337388 A CN 108337388A CN 201710044294 A CN201710044294 A CN 201710044294A CN 108337388 A CN108337388 A CN 108337388A
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- Prior art keywords
- data packet
- communication path
- time
- server
- response server
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
- H04M7/0075—Details of addressing, directories or routing tables
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/4228—Systems providing special services or facilities to subscribers in networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
Abstract
Network telephone communication means provided by the invention is applied to the router connected with the networking telephone (Voice over Internet Protocol, VoIP) client.When detecting VoIP client and being in off hook state, the response server on every communication path sends the first data packet of time used in the first time information for carrying mark sending time and control response server the first data packet of calculation processing；Receive second data packet for including the processing time that the response server is sent, and the second temporal information of the receiving time of the second data packet of mark is generated when receiving the second data packet, to obtain accurate two-way time of first data packet in each path；And according to the exhalation path that the length of accurate two-way time is the VoIP client one optimal quality of selection.The present invention also provides a kind of routers.VoIP communication means and router provided by the invention, two-way time of the calculated data packet on every communication path are more accurate so that the quality for the communication path selected is more reliable.
Description
Technical field
The present embodiments relate to the communications field, more particularly to a kind of networking telephone (Voice over Internet
Protocol, VoIP) communication means and router.
Background technology
Time delay is to evaluate the basic index of network performance.Latency measurement is in necks such as network performance detection, user's behaviors analysis
It has a very wide range of applications in domain.In network performance detection, round-trip delay is often that one of reaction network state is important
Index.Round-trip delay is generally by the transmission time of source to destination, the processing time of purpose end equipment and destination to source
Transmission time, this three parts composition, but since the processing time of purpose end equipment is not that data packet is passed through in a network
Time.Therefore, the round-trip delay for containing processing time can not real reaction network situation.However, existing time delay is surveyed
Round-trip delay measured by amount tool Ping does not remove the processing time, results in the inaccuracy of measured value.
Invention content
In view of the foregoing, it is necessary to a kind of VoIP communication means be provided, by transmission, reception and generate the carrying time
The data packet of information to obtain data packet in the processing time of purpose end equipment, and calculates data packet in every communication path
On accurate round-trip delay, to according to the calculated accurate round-trip delay select optimal communication path.
In view of the foregoing, it there is a need to and a kind of router be provided, by transmission, reception and generate carrying temporal information
Data packet, to obtain data packet in the processing time of purpose end equipment, and calculate data packet on every communication path
Accurate round-trip delay, to select optimal communication path according to the calculated accurate round-trip delay.
The embodiment of the present invention provides a kind of voip communications method, is applied in router, the router is connected to
At least one VoIP client.The router is connected to the first phone by the first communication path and the second communication path
Proxy server and the second telephony proxy server, first communication path and the second communication path respectively include response clothes
Business device, the communication means include：
When detecting that the VoIP client is in off hook state, respectively to the first communication path and the second communication path
On response server send the first data packet, first data packet carry mark sending time first time information and
Information is controlled, the control information is used to indicate the response server and calculates reception first data packet and send for ringing
Answer the time difference between the second data packet of first data packet；It receives on first communication path and the second communication path
The response server send include second data packet of the time difference, and generate and identify second data packet
Receiving time the second temporal information；According to the first time information, the time difference and second temporal information
Calculate separately the two-way time of first data packet on first communication path and the second communication path；And described in comparing
The two-way time of first data packet on first communication path and the second communication path selects shortest one of two-way time
Exhalation path of the communication path as the VoIP client, and described in the VoIP client is registered on the path
Telephony proxy server.
The embodiment of the present invention also provides a kind of router, is connected at least one VoIP client.The router passes through
First communication path and the second communication path are connected to the first telephony proxy server and the second telephony proxy server.Institute
It states the first communication path and the second communication path respectively includes a response server, the router includes detecting module, sends
Module, receiving module, computing module and selection registration module.
The detecting module detects whether the VoIP client is in off hook state.It is plucked when the VoIP client is in
When machine state, response server on first communication path and the second communication path sends the to the sending module respectively
One data packet, first data packet carry the first time information of mark sending time and are used to indicate the response service
Device calculates the time difference received between the second data packet of first data packet and transmission for responding first data packet.
What the receiving module received the transmission of the response server on first communication path and the second communication path includes institute
Second data packet of time difference is stated, and generates the second temporal information of the receiving time for identifying second data packet.Institute
It states computing module and calculates separately described first according to the first time information, the time difference and second temporal information
The two-way time of the first data packet on communication path and the second communication path.The more calculated institute of selection registration module
The two-way time of first data packet on the first communication path and the second communication path is stated, two-way time shortest one is selected
Exhalation path of the communication path as the VoIP client, and the VoIP client is registered to the institute on the path
State telephony proxy server.
Compared to the prior art, VoIP communication means and router provided in an embodiment of the present invention are detecting VoIP visitors
When family end is in off hook state, when the response server on every communication path sends carry mark sending time first
Between the time used in information and control response server the first data packet of calculation processing the first data packet, receive the response and service
Second data packet for including the processing time that device is sent, and the second number of mark is generated when receiving the second data packet
Lead to obtain accurate two-way time of first data packet in each path according to the second temporal information of the receiving time of packet
The length of the accurate two-way time for crossing more each path judges the network state of each path, is selected for the VoIP client
One optimal exhalation path.
Certainly, this known operator can know more about other benefits or other of the embodiment of the present invention upon review of the specification
Purpose.
Description of the drawings
Fig. 1 is the schematic diagram of the VoIP communication systems of the embodiment of the present invention.
Fig. 2 is the functional block diagram of the router of the embodiment of the present invention.
Fig. 3 is the step flow chart of the VoIP communication means of one embodiment of the invention.
Fig. 4 is the step flow chart of the VoIP communication means of another embodiment of the present invention.
Main element symbol description
Following specific implementation mode will be further illustrated the present invention in conjunction with above-mentioned attached drawing.
| VoIP communication systems | 1 |
| VoIP client | 2 |
| Router | 3 |
| Interchanger center | 4 |
| Arbitrating server | 5 |
| Communication path | 6 |
| Response server | 7 |
| Route selection system | 10 |
| Processor | 20 |
| Memory | 30 |
| Detecting module | 100 |
| Sending module | 200 |
| Receiving module | 300 |
| Computing module | 400 |
| Select registration module | 500 |
Specific implementation mode
It is the schematic diagram of the VoIP communication systems of the present invention with reference to figure 1.VoIP communication systems 1 include at least one VoIP
Client 2, router 3, telephony proxy server 4 and arbitrating server 5.VoIP routers 3 are distinguished by communication path 6A, 6B
It is connected at least two telephony proxy server 4A, 4B.Communication path 6A includes a response server 7A, and communication path 6B includes
One response server 7B.
Router 3 is connected to VoIP client 2, arbitrating server 5, response server 7A and response server 7B.
Response server 7A and response server 7B is communicated to connect with telephony proxy server 4, response server 7A and response server
7B is used to receive and process the data packet of the transmission of VoIP routers 3.Arbitrating server 5 takes with response server 7A and response respectively
The 7B communication connections of business device, and the data-handling capacity of response server 7A and response server 7B are monitored in real time.
As shown in Fig. 2, being the functional block diagram of the router of the embodiment of the present invention.Router 3 includes route selection system
10, processor 20 and memory 30.Route selection system 10 include detecting module 100, sending module 200, receiving module 300,
Computing module 400 and selection registration module 500.Module 100-500 is configured to by least one processor (such as the present embodiment
Processor 20) execute, to complete the embodiment of the present invention.Relative program generation of the memory 30 for store path selection system 10
Code data.
Detecting module 100 detects whether VoIP client 2 is in off hook state, wherein off hook state is that user picks up electricity
The receiver of phone or state when pressing hands-free.
When detecting module 100, which detects VoIP client 2, is in off hook state, sending module can service first to response
Device sending time synchronic command so that the time synchronization between router 3 and response server 7, secondly, send module 200 to
Response server 7 on every communication path 6 sends the first data packet respectively, the first data packet carry first time information and
Control information.First data packet can be under Internet protocol sixth version (Internet Protocol Version 6, IPv6)
Internet Control Message Protocol (Internet Control Message Protocol, ICMP) data packet.First time information
It can be timestamp, the destination option message (Destination Options Header) of IPv6 data packets can be carried on
In.
First time information is for identifying sending time T1, control information calculates for control response server 7 and receives the
The time T of one data packet2With the time T for sending the second data packet for responding the first data packet3Between time difference Δ T (Δ
T=T3-T2), calculated time difference Δ T is the time used in the first data packet of processing of response server 7.
What receiving module 300 received the transmission of the response server 7 on every communication path 6 includes calculated time difference Δ
The second data packet of T, and the second temporal information is generated, to identify the receiving time T of the second data packet4.After this, it calculates
Module 300 is according to the sending time T for identifying the first data packet1First time information, identify the second data packet receiving time T4
The second temporal information and the first data packet receiving time T2With the sending time T of the second data packet3Between time difference Δ T,
Pass through formula T=T4-ΔT-T1, calculate accurate round-trip delay value T of first data packet on every communication path 6.
Accurate round-trip delay value of the selecting module 400 according to calculated first data packet on every communication path 6, choosing
Select exhalation path of the shortest communication path of accurate round-trip delay value as VoIP client 2, and by 2 note of VoIP client
Volume to it is selected go out communication path 6 on telephony proxy server 4 in.
In one embodiment, when VoIP client 2 passes through three communication paths 6 and three telephony proxy servers 4 respectively
Connection, and computing module 300 has calculated that accurate round-trip delay T of first data packet on three paths 6 is respectively
When 27.84ms, 22.32ms and 29.68ms, selects registration module 400 according to three round-trip delay values, select round-trip delay
Optimal exhalation path of the communication path as VoIP client 2 that value is 22.32ms, and described in VoIP client 2 is registered to
Telephony proxy server 4 on communication path, the phone to carry out VoIP client by this communication path breathe out.
In one embodiment, it sends module 200 and sends carrying respectively in the response server 7 on every communication path 6
Before the first data packet for having first time information and control information, third data packet also is sent to arbitrating server 5, so that secondary
It cuts out server 5 and a sequence list is generated according to the data-handling capacity of each response server 7, and the sequence list of generation is returned
To router 3, so that sending module 200 sends the according to response server 7 of the sequence list of passback on every communication path 6
One data packet, to reduce network congestion.Sequence list includes the Internet protocol (Internet of each response server 7
Protocol, IP) address and sending module 200 should send the correspondence between the time T0 of the first data packet.
Similarly, it before sending module 200 sends the first data packet, can also be taken respectively to response server 7 and arbitration
Business 5 sending time synchronic command of device, so that the time synchronization between router 3, response server 7 and arbitrating server 5.
Fig. 3 is the step flow chart of the VoIP communication means of one embodiment of the invention.
Whether step S300, detecting VoIP client are in off hook state.
Step S302, when VoIP client is in off hook state, the response server on every communication path respectively
Sending time synchronic command, so that the time synchronization between router and all response servers.
Step S304, response server the first data packet of transmission on every communication path, the first data packet are taken respectively
Band first time information and control information.First time information is used to identify the sending time of the first data packet, and control information is used
Second data packet of the time for receiving the first data packet with transmission for responding the first data packet is calculated in instruction response server
Time between time difference.
Step S306 receives the second data packet comprising the time difference that the response server on every communication path is sent,
And generate the second temporal information of the receiving time of the second data packet of mark.
Step S308 calculates separately every communication path according to first time information, time difference and the second temporal information
On the first data packet accurate two-way time.
Step S310 compares accurate two-way time of first data packet on every communication path, when selection is accurate round-trip
Between exhalation path of the shortest communication path as VoIP client, and the VoIP client is registered to the path
On telephony proxy server.
Fig. 4 is the step flow chart of the VoIP communication means of another embodiment of the present invention.
Whether step S400, detecting VoIP client are in off hook state.
Step S402, when the VoIP client is in off hook state, respectively to response server and arbitrating server
Sending time synchronic command, so that the time synchronization between router, response server and arbitrating server.
Step S404 sends third data packet, so that arbitrating server is according to each response server to arbitrating server
Data-handling capacity generate a sequence list, and by the sequence list of generation return.
Step S406, according to the sequence list that arbitrating server returns, the respectively response server on every communication path
The first data packet is sent, the first data packet carries first time information and control information.First time information is for identifying first
The sending time of data packet, the time that control information is used to indicate response server calculating the first data packet of reception are used for transmission
Respond the time difference between the time of the second data packet of the first data packet.
Step S408 receives the second data packet comprising the time difference that the response server on every communication path is sent,
And generate the second temporal information of the receiving time of the second data packet of mark.
Step S410 correspondingly calculates every communication lines according to first time information, time difference and the second temporal information
The accurate two-way time of the first data packet on diameter.
Step S412 compares accurate two-way time of first data packet on every communication path, when selection is accurate round-trip
Between exhalation path of the shortest communication path as VoIP client, and the VoIP client is registered to the path
On telephony proxy server.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to preferred embodiment to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that, it can modify to technical scheme of the present invention
Or equivalent replacement, without departing from the spirit of the technical scheme of the invention and range.
Claims (6)
1. a kind of voip communications method is applied in router, the router is connected at least one VoIP client,
It is characterized in that, the router is connected to the first call agent service by the first communication path and the second communication path
Device and the second telephony proxy server, first communication path and the second communication path respectively include a response server, institute
Stating communication means includes：
When detecting that the VoIP client is in off hook state, respectively on the first communication path and the second communication path
Response server sends the first data packet, and first data packet carries first time information and the control of mark sending time
Information, the control information are used to indicate the response server and calculate reception first data packet and send for responding
State the time difference between the second data packet of the first data packet；
Receive the response server transmission on first communication path and the second communication path includes the time difference
Second data packet, and generate the second temporal information of the receiving time for identifying second data packet；
First communication lines are calculated separately according to the first time information, the time difference and second temporal information
The two-way time of first data packet on diameter and the second communication path；And
The two-way time for comparing first data packet on first communication path and the second communication path, when selecting round-trip
Between exhalation path of the shortest communication path as the VoIP client, and the VoIP client is registered to described
The telephony proxy server on path.
2. the communication means as described in claim 1, which is characterized in that the router also with an arbitrating server communication link
It connects, the arbitrating server communicates phase with first communication path with the response server on the second communication path respectively
Even, and the data-handling capacity of the response server is monitored in real time, further include step before the forwarding step：
Third data packet is sent to the arbitrating server, so that the arbitrating server is according to first communication path and the
The data-handling capacity of the response server on two communication paths generate an IP address comprising the response server and
First data packet should sending time correspondence sequence list, and the sequence list is returned, so as to according to described suitable
The response server on first communication path and the second communication path sends first data packet to sequence table respectively.
3. communication means as claimed in claim 2, which is characterized in that first data packet is the ICMP numbers under IPv6 agreements
According to packet.
4. a kind of router is connected at least one VoIP client, which is characterized in that the router passes through the first communication lines
Diameter and the second communication path are connected to the first telephony proxy server and the second telephony proxy server, first communication
Path respectively includes a response server with the second communication path, and the router includes：
Detecting module, for detecting whether the VoIP client is in off hook state；
Sending module is used for when the VoIP client is in off hook state, respectively to first communication path and second
Response server on communication path sends the first data packet, when first data packet carries the first of mark sending time
Between information and be used to indicate the response server and calculate and receive first data packet and send for responding first number
According to the time difference between the second data packet of packet；
Receiving module, the packet for receiving the transmission of the response server on first communication path and the second communication path
Second data packet containing the time difference, and generate the second time letter for the receiving time for identifying second data packet
Breath；
Computing module, for being calculated separately according to the first time information, the time difference and second temporal information
The two-way time of the first data packet on first communication path and the second communication path；And
Select registration module, first data packet on more calculated first communication path and the second communication path
Two-way time, select exhalation path of the two-way time shortest communication path as the VoIP client, and by institute
State the telephony proxy server that VoIP client is registered on the path.
5. router as claimed in claim 4, which is characterized in that the router is also communicated to connect with an arbitrating server,
The arbitrating server is connected with first communication path with the response server communication on the second communication path respectively,
And the data-handling capacity of the response server is monitored in real time, the sending module is additionally operable to：
The response server on first communication path and the second communication path respectively send the first data packet it
Before, third data packet is sent to the arbitrating server, so that data of the arbitrating server according to the response server
Processing capacity generate an IP address comprising the response server and first data packet should the corresponding of sending time close
It is sequence list, and the sequence list is returned, is communicated respectively to first communication path with second according to the sequence list
The response server on path sends first data packet.
6. router as claimed in claim 5, which is characterized in that first data packet is the ICMP data under IPv6 agreements
Packet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044294.1A CN108337388A (en) | 2017-01-19 | 2017-01-19 | Voip communications method and router |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044294.1A CN108337388A (en) | 2017-01-19 | 2017-01-19 | Voip communications method and router |
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| Publication Number | Publication Date |
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| CN108337388A true CN108337388A (en) | 2018-07-27 |
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ID=62922172
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710044294.1A Pending CN108337388A (en) | 2017-01-19 | 2017-01-19 | Voip communications method and router |
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Cited By (1)
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| CN109802898A (en) * | 2019-02-01 | 2019-05-24 | 深圳市比速智网技术有限公司 | Multilink data transmission method, reception device and storage medium |
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Application publication date: 20180727 |