CN104683610B - A kind of method and apparatus improving VoIP voice quality - Google Patents
A kind of method and apparatus improving VoIP voice quality Download PDFInfo
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- CN104683610B CN104683610B CN201310627163.8A CN201310627163A CN104683610B CN 104683610 B CN104683610 B CN 104683610B CN 201310627163 A CN201310627163 A CN 201310627163A CN 104683610 B CN104683610 B CN 104683610B
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Abstract
The invention discloses a kind of methods and apparatus for improving VoIP voice quality to carry calling number and called address information in Click To Dial request this method comprises: network side receives the Click To Dial request that VoIP client is sent；The network side keeps the connecting of the VoIP talking link of the VoIP client, and sends call request message to the corresponding terminal device of the calling number according to the calling number；The network side receives the call message that the corresponding terminal device of the calling number returns, and removes the VoIP talking link of the VoIP client；The network side sends call request message to the corresponding terminal device of the called address information according to the called address information, and receives the call message that the corresponding terminal device of the called address information returns.In the present invention, VoIP voice quality is improved.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of methods and apparatus for improving VoIP voice quality.
Background technique
VoIP(Voice over Internet Protocol, Internet Protocol telephone) technology: i.e. IP phone, by analog signal
Digitlization, by the way that voice compression coding, packing grouping, distribution route, storage exchanges, unpack the exchanges such as decompression processing, in IP network
Real-time speech communicating is realized on network or on Internet.Since voip technology is one to grow up on the basis of Internet
Kind voice transfer scheme, therefore it is a kind of towards connectionless application, data transmission follows one kind " doing one's best " (best
Effort principle), after ip voice packet is issued from distal end, paths traversed is not known simultaneously, and time delay not can guarantee, packet loss
Unexpected, network delay and delay variation change with the quality of Network status, have immeasurability and uncertainty.Together
When, any one Transmission system will be limited in bandwidth, and network transmission is no exception, if packet loss quantity reaches a certain pole
Limit, will also cause the decline of voice quality, therefore the service quality (Quality of Service, abbreviation QoS) of VoIP is always
It cannot ensure.
It improves VoIP speech quality needs to set about in terms of two: first is that IP network service quality is improved, second is that will be in IP
Telephone terminal guarantees voice quality using various technologies.And the prior art is mostly set about in terms of improving QoS, by being passed to speech
Defeated MAC(Medium Access Control, media access control) layer analysis, for the DCF of MAC layer
(Distributed Coordination Function, distributed coordination function) mechanism and HCF(Hybrid Coordination
Function, Hybrid Coordination Function) it proposes modified hydrothermal process or introduces priority mechanism, to improve the QoS of VoIP.It is this
Mode is comparatively laborious, needs to prove by accurate theory analysis and emulation experiment, and be not sufficiently stable, if Network status is very
Difference or network congestion, this mode cannot achieve the effect that improve speech quality.
Summary of the invention
The present invention provides a kind of methods and apparatus for improving VoIP voice quality, to improve VoIP voice quality.
In order to reach the goals above, the embodiment of the invention provides a kind of sides for improving Internet Protocol telephone VoIP voice quality
Method, comprising:
Network side receives the Click To Dial request that VoIP client is sent, and carries in Click To Dial request
Calling number and called address information；Wherein, the Click To Dial request is that the VoIP client was conversed in VoIP
It is determined in journey after meeting trigger condition to network side transmission；
The network side keeps the connecting of the VoIP talking link of the VoIP client, and according to the calling number to
The corresponding terminal device of the calling number sends call request message；
The network side receives the call message that the corresponding terminal device of the calling number returns, and described in dismounting
The VoIP talking link of VoIP client；
The network side sends calling to the corresponding terminal device of the called address information according to the called address information
Request message, and receive the call message that the corresponding terminal device of the called address information returns.
The embodiment of the invention also provides a kind of methods for improving Internet Protocol telephone VoIP voice quality, comprising:
When the VoIP client determines in VoIP communication process meets trigger condition, the VoIP client is to net
Network side sends Click To Dial request, carries calling number and called address information in Click To Dial request；
The VoIP client receives the VoIP talking link that network side is sent and removes request, and request is removed in VoIP call
It is that the network side receives dial business request, according to the calling number to the corresponding terminal device of the calling number
Call request message is sent, and after receiving the call message that the corresponding terminal device of the calling number returns, to institute
State VoIP client transmission；
The VoIP client returns to VoIP talking link to the network side and removes response message, so that the network side
Calling is sent to the corresponding terminal device of the called address information after receiving the VoIP talking link and removing response message
Request message.
The embodiment of the invention also provides a kind of network side equipments, comprising:
Receiving module, for receiving the Click To Dial request of VoIP client transmission, Click To Dial request
In carry calling number and called address information；Wherein, the Click To Dial request is that the VoIP client exists
It is determined in VoIP communication process after meeting trigger condition to network side transmission；Receive the corresponding terminal device of the calling number
The call message of return；Receive the call message that the called address information counterpart terminal equipment returns；
Sending module, for sending call request to the corresponding terminal device of the calling number according to the calling number
Message；When the receiving module receives the call message that the corresponding terminal device of the calling number returns, according to
The called address information sends call request message to the corresponding terminal device of the called address information；
Processing module, when for receiving the Click To Dial request of VoIP client transmission when the receiving module,
Keep the connecting of the VoIP talking link of the VoIP client；When to receive the calling number corresponding for the receiving module
When the call message that terminal device returns, the VoIP talking link of the VoIP client is removed.
The embodiment of the invention also provides a kind of VoIP clients, comprising:
Determining module meets trigger condition for determining whether in VoIP communication process；
Sending module, for sending click to dial industry to network side when the determining module determines and meets trigger condition
Business is requested, and carries calling number and called address information in Click To Dial request；When the VoIP client receives
When the VoIP talking link sent to the network side removes request, VoIP talking link is returned to the network side and removes response
Message；
Receiving module, the VoIP talking link for receiving network side transmission remove request, and request is removed in VoIP call
It is that the network side receives dial business request, according to the calling number to the corresponding terminal device of the calling number
Call request message is sent, and after receiving the call message that the corresponding terminal device of the calling number returns, to institute
State VoIP client transmission.
In the above embodiment of the present invention, when VoIP client determines in VoIP communication process meets trigger condition, to
Network side sends Click To Dial request, carries calling number and called address information in Click To Dial request；
After network side receives dial business request, the connecting of the VoIP talking link of the VoIP client is kept, and according to the master
Code of calling out the numbers to the corresponding terminal device of the calling number sends call request message；It is returned when network side receives the calling number
Call message when, remove the VoIP talking link of the VoIP client, and according to Click To Dial request in carry
Called address information send call request to the corresponding terminal device of the called address information, and then receive called address letter
Cease the call message that corresponding terminal device returns, during VoIP call, by the access way of VoIP call by
Internet access way is switched to click to dial access way, improves VoIP voice quality.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of method for improving VoIP voice quality provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram of method for improving VoIP voice quality provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of network side equipment provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of VoIP client provided in an embodiment of the present invention.
Specific embodiment
For above-mentioned problems of the prior art, the embodiment of the invention provides a kind of raising VoIP voice qualities
Technical solution.In the technical scheme, when VoIP client, determination meets trigger condition in VoIP communication process, to network
Side sends Click To Dial request, carries calling number and called address information in Click To Dial request；Network
It flanks after receiving dial business request, keeps the connecting of the VoIP talking link of the VoIP client, and according to the caller number
Code sends call request message to the corresponding terminal device of the calling number；When network side receives exhaling for calling number return
When being response message, remove the VoIP talking link of the VoIP client, and according to Click To Dial request in the quilt that carries
It makes address information send call request to the corresponding terminal device of the called address information, and then receives the called address information pair
The call message that the terminal device answered returns, during VoIP call, by the access way of VoIP call by
Internet access way is switched to click to dial access way, improves VoIP voice quality.
Below in conjunction with the attached drawing in the application, clear, complete description is carried out to the technical solution in the application, is shown
So, described embodiment is a part of the embodiment of the application, instead of all the embodiments.Based on the implementation in the application
Example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all belongs to
In the range of the application protection.
As shown in Figure 1, for a kind of flow diagram for the method for improving VoIP voice quality provided in an embodiment of the present invention,
It may comprise steps of:
Step 101, when VoIP client in VoIP communication process determine meet trigger condition when, the VoIP client to
Network side sends Click To Dial request, carries calling number and called address information in Click To Dial request.
Specifically, in embodiments of the present invention, in order to guarantee VoIP voice quality, in VoIP communication process, when call matter
When measuring poor, the VoIP access way conversed automatically or manually can be switched to common movement by internet access way
Audio access (such as click to dial access).
In order to achieve the above object, VoIP client can be in the MOS(Mean Opinion for detecting current VoIP call
Score, average opinion value) value when being lower than threshold value (threshold value can be preset according to practical application scene), determines current shape
State meets trigger condition, sends Click To Dial request to network side；Alternatively, VoIP client can refer to receiving switching
It when enabling, determines that current state meets trigger condition, sends Click To Dial request to network side, which can be
The corresponding user of VoIP client is (as special in clicked by preset operation when finding that current VoIP speech quality is poor
Determine button), it is sent to VoIP client.
Wherein, VoIP client carries calling number and called ground into the Click To Dial request that network side is sent
Location information, so that network side can determine corresponding calling terminal according to the calling number and called address information and be called eventually
End.Wherein, which can be the communication number of the communicating terminal of the corresponding user of the VoIP client.
Step 102, network side keep the connecting of the VoIP talking link of VoIP client, and are asked according to Click To Dial
The calling number of middle carrying is asked to send call request message to the corresponding terminal device of the calling number.
Specifically, in embodiments of the present invention, in order to guarantee that communication process does not interrupt, network side is determining click to dial industry
The corresponding terminal device of calling number carried in business request is connected before the Click To Dial newly initiated, and can't be removed
The current VoIP call of VoIP client.
Correspondingly, when network side receives the Click To Dial request of VoIP client transmission, network side is kept should
The connecting of the VoIP talking link of VoIP client, and according to Click To Dial request in the calling number that carries to caller number
The corresponding terminal device of code (can be mobile phone or base) sends call request message.
Step 103, network side receive the call message that the corresponding terminal device of the calling number returns, and to VoIP
Client sends VoIP talking link and removes request.
Specifically, after the corresponding terminal device of calling number receives the call request message that network side is sent, Ke Yiti
Show whether call establishment returns to call message to network side and when receiving the instruction of call establishment of user to user.
After network side receives the call message that the corresponding terminal device of calling number returns, determination can be removed
The VoIP talking link of VoIP client sends VoIP talking link to the VoIP client and removes request.
Step 104, VoIP client return to VoIP talking link to network side and remove response message.
Specifically, after the VoIP talking link that VoIP client receives network side transmission removes request, due to VoIP visitor
The corresponding user in family end has had turned on the corresponding calling of Click To Dial, and therefore, VoIP client can remove current
VoIP talking link returns to VoIP talking link to network side and removes response message.
Step 105, network side according to Click To Dial request in the called address information that carries believe to the called address
It ceases corresponding terminal device and sends call request, and receive the call that the corresponding terminal device of the called address information returns
Message.
Specifically, network side determines that VoIP client has removed VoIP talking link, and determine that Click To Dial is asked
After asking the corresponding terminal device of the calling number of carrying to connect the corresponding calling of Click To Dial, network side can be to click
The corresponding terminal device of called address information carried in dial business request sends call request, and sets when receiving the terminal
After the standby call message returned, determine that calling party and callee have re-established the corresponding call of Click To Dial.Its
In, the called address information in Click To Dial request can be called SIP(Session Initiation
Protocol, Session initiation Protocol) URI(Uniform Resource Identifier, same resource identifier).
It should be noted that the calling number carried in Click To Dial request is not limited in the embodiment of the present invention
The communication number of the communicating terminal of the corresponding user of VoIP client, called address information are also not limited to called SIP URI,
Based on the embodiment of the present invention, those skilled in the art are without creative efforts to calling number and called address
The modification that information is made, should belong to the scope of the present invention.
Technical solution provided in an embodiment of the present invention is described below in greater detail below with reference to specific application scenarios.
As shown in Fig. 2, for a kind of flow diagram for the method for improving VoIP voice quality provided in an embodiment of the present invention,
May include:
Just in VoIP communication process, the voip client end of user A finds voice communication by step 201, user A and user B
It is second-rate, to carry out click to dial switching action (manually or automatically), the VoIP client by addition calling number and
Called address information initiates Click To Dial request to IMS network side.
Step 202, IMS core net receive Click To Dial request, send response message and keep VoIP talking link
Connecting.
The calling number that step 203, IMS core net are provided according to user A, to the corresponding user A terminal of the calling number
Equipment (mobile phone, base etc.) sends call request message.
Step 204, user's A terminal device receive call request message, send call message.
Step 205, IMS core net remove the previous VoIP access way (i.e. original VoIP talking link) of user A.
Step 206, the VoIP client returning response information of user A.
Step 207, IMS core net initiate call request information to user B according to called address information.
Step 208, user B send call information.User A and user B continue voice communication.
Through above description as can be seen that in technical solution provided in an embodiment of the present invention, when VoIP client exists
When determination meets trigger condition in VoIP communication process, Click To Dial request, the Click To Dial are sent to network side
Calling number and called address information are carried in request；After network side receives dial business request, keep the VoIP objective
The connecting of the VoIP talking link at family end, and calling is sent to the corresponding terminal device of the calling number according to the calling number and is asked
Seek message；When network side receives the call message of calling number return, the VoIP for removing the VoIP client is logical
Talk about link, and according to Click To Dial request in the called address information that carries set to the corresponding terminal of called address information
Preparation send call request, and then receives the call message that the corresponding terminal device of the called address information returns, in VoIP
During call, the VoIP access way conversed is switched to click to dial access way by internet access way, is mentioned
High VoIP voice quality, avoid network bandwidth it is insufficient caused by the even chain rupture of speech quality difference.
Based on the same technical idea, the embodiment of the invention also provides a kind of network side equipments, can be applied to above-mentioned
Embodiment of the method.
As shown in figure 3, being a kind of structural schematic diagram of network side equipment provided in an embodiment of the present invention, may include:
Receiving module 31, for receiving the Click To Dial request of VoIP client transmission, which is asked
Calling number and called address information are carried in asking；Wherein, the Click To Dial request is that the VoIP client exists
It is determined in VoIP communication process after meeting trigger condition to network side transmission；Receive the corresponding terminal device of the calling number
The call message of return；Receive the call message that the called address information counterpart terminal equipment returns；
Sending module 32 is asked for sending calling to the corresponding terminal device of the calling number according to the calling number
Seek message；When the receiving module receives the call message that the corresponding terminal device of the calling number returns, root
Call request message is sent to the corresponding terminal device of the called address information according to the called address information；
Processing module 33, for receiving the Click To Dial request of VoIP client transmission when the receiving module
When, keep the connecting of the VoIP talking link of the VoIP client；When the receiving module receives the calling number pair
When the call message that the terminal device answered returns, the VoIP talking link of the VoIP client is removed.
Wherein, the trigger condition includes:
The average opinion value MOS value of VoIP call is lower than threshold value；Or,
Receive switching command.
Wherein, the processing module 33 removes the VoIP of the VoIP client specifically for being accomplished by the following way
Talking link:
VoIP talking link, which is sent, to the VoIP client removes request；Receive the VoIP that the VoIP client returns
Talking link removes response message.
Based on the same technical idea, the embodiment of the invention also provides a kind of VoIP clients, can be applied to above-mentioned
Embodiment of the method.
As shown in figure 4, being a kind of structural schematic diagram of VoIP client provided in an embodiment of the present invention, may include:
Determining module 41 meets trigger condition for determining whether in VoIP communication process；
Sending module 42, for sending click to dial to network side when the determining module determines and meets trigger condition
Service request, the Click To Dial request in carry calling number and called address information；When the VoIP client connects
When receiving the VoIP talking link dismounting request that the network side is sent, returns to VoIP talking link to the network side and remove and ring
Answer message；
Receiving module 43, the VoIP talking link for receiving network side transmission remove request, and VoIP call, which is removed, asks
Network side described in Seeking Truth receives the dial business request, is set according to the calling number to the corresponding terminal of the calling number
Preparation send call request message, and after receiving the call message that the corresponding terminal device of the calling number returns, to
What the VoIP client was sent.
Wherein, the determining module 41 is specifically used for meeting trigger condition in following situations determination:
The VoIP client detects the average opinion value MOS value of VoIP call lower than threshold value；Or,
The VoIP client receives switching command.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required general hardware platform to realize, naturally it is also possible to which by hardware, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which is stored in a storage medium, if including
Dry instruction is used so that a terminal device (can be mobile phone, personal computer, server or the network equipment etc.) executes sheet
Invent method described in each embodiment.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
Depending on protection scope of the present invention.
Claims (6)
1. a kind of method for improving Internet Protocol telephone VoIP voice quality characterized by comprising
Network side receives the Click To Dial request that VoIP client is sent, and carries caller in Click To Dial request
Number and called address information；Wherein, the Click To Dial request is the VoIP client in VoIP communication process
It determines after meeting trigger condition to network side transmission；
The network side keeps the connecting of the VoIP talking link of the VoIP client, and according to the calling number to described
The corresponding terminal device of calling number sends call request message；
The network side receives the call message that the corresponding terminal device of the calling number returns, and removes the VoIP
The VoIP talking link of client；
The network side sends call request to the corresponding terminal device of the called address information according to the called address information
Message, and receive the call message that the corresponding terminal device of the called address information returns；
Wherein, the trigger condition includes: the average opinion value MOS value of VoIP call lower than threshold value.
2. the method as described in claim 1, which is characterized in that the network side removes the VoIP call of the VoIP client
Link, specifically:
Laterally the VoIP client sends the dismounting request of VoIP talking link to the network；
The network side receives the VoIP talking link that the VoIP client returns and removes response message.
3. a kind of method for improving Internet Protocol telephone VoIP voice quality characterized by comprising
When VoIP client determines in VoIP communication process meets trigger condition, the VoIP client is sent to network side
Click To Dial is requested, and carries calling number and called address information in Click To Dial request；
The VoIP client receives the VoIP talking link that network side is sent and removes request, and it is institute that request is removed in VoIP call
It states network side and receives the dial business request, sent according to the calling number to the corresponding terminal device of the calling number
Call request message, and after receiving the call message that the corresponding terminal device of the calling number returns, to described
What VoIP client was sent；
The VoIP client returns to VoIP talking link to the network side and removes response message, so that the network side is connecing
It receives the VoIP talking link and removes and send call request to the corresponding terminal device of the called address information after response message
Message；
Wherein, VoIP client determination in VoIP communication process meets trigger condition, specifically:
The VoIP client detects the average opinion value MOS value of VoIP call lower than threshold value.
4. a kind of network side equipment characterized by comprising
Receiving module is taken in Click To Dial request for receiving the Click To Dial request of VoIP client transmission
With calling number and called address information；Wherein, the Click To Dial request is that the VoIP client is logical in VoIP
It is determined during words after meeting trigger condition to network side transmission；Receive what the corresponding terminal device of the calling number returned
Call message；Receive the call message that the called address information counterpart terminal equipment returns；
Sending module disappears for sending call request to the corresponding terminal device of the calling number according to the calling number
Breath；When the receiving module receives the call message that the corresponding terminal device of the calling number returns, according to institute
It states called address information and sends call request message to the corresponding terminal device of the called address information；
Processing module is kept when for receiving the Click To Dial request of VoIP client transmission when the receiving module
The connecting of the VoIP talking link of the VoIP client；When the receiving module receives the corresponding terminal of the calling number
When the call message that equipment returns, the VoIP talking link of the VoIP client is removed；
Wherein, the trigger condition includes: the average opinion value MOS value of VoIP call lower than threshold value.
5. network side equipment as claimed in claim 4, which is characterized in that the processing module is specifically used for by with lower section
Formula realizes the VoIP talking link for removing the VoIP client:
VoIP talking link, which is sent, to the VoIP client removes request；Receive the VoIP call that the VoIP client returns
Link down response message.
6. a kind of VoIP client characterized by comprising
Determining module meets trigger condition for determining whether in VoIP communication process；
Sending module, for sending Click To Dial to network side and asking when the determining module determines and meets trigger condition
It asks, carries calling number and called address information in Click To Dial request；When the VoIP client receives institute
When stating the VoIP talking link dismounting request of network side transmission, the dismounting response of VoIP talking link is returned to the network side and is disappeared
Breath；
Receiving module, the VoIP talking link for receiving network side transmission remove request, and it is institute that request is removed in VoIP call
It states network side and receives the dial business request, sent according to the calling number to the corresponding terminal device of the calling number
Call request message, and after receiving the call message that the corresponding terminal device of the calling number returns, to described
What VoIP client was sent；
Wherein, the determining module is specifically used for meeting trigger condition in following situations determination: the VoIP client detects
The average opinion value MOS value of VoIP call is lower than threshold value.
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| CN201310627163.8A CN104683610B (en) | 2013-11-28 | 2013-11-28 | A kind of method and apparatus improving VoIP voice quality |
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| US20060203995A1 (en) * | 2005-03-14 | 2006-09-14 | Inventec Multimedia & Telecom Corporation | Periodic and automatic telephone redialling system and method |
| CN102523203A (en) * | 2011-12-02 | 2012-06-27 | 华为技术有限公司 | Method, device and system for voice call |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739885A (en) * | 2011-04-15 | 2012-10-17 | 鸿富锦精密工业（深圳）有限公司 | System and method for switching between PSTN call and VOIP call |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060203995A1 (en) * | 2005-03-14 | 2006-09-14 | Inventec Multimedia & Telecom Corporation | Periodic and automatic telephone redialling system and method |
| CN102523203A (en) * | 2011-12-02 | 2012-06-27 | 华为技术有限公司 | Method, device and system for voice call |
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