CN102457628A - Calling method, system and voice server for Internet protocol phone - Google Patents
Calling method, system and voice server for Internet protocol phone Download PDFInfo
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- CN102457628A CN102457628A CN2010105257837A CN201010525783A CN102457628A CN 102457628 A CN102457628 A CN 102457628A CN 2010105257837 A CN2010105257837 A CN 2010105257837A CN 201010525783 A CN201010525783 A CN 201010525783A CN 102457628 A CN102457628 A CN 102457628A
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Abstract
The invention discloses a calling method for an IP (Internet Protocol) phone. The method comprises the following steps of: distributing VoIP (Voice over Internet Protocol) numbers and PSTN (Public Switched Telephone Network) numbers for the IP phone in advance, wherein the IP phone not only needs to be communicated with IP phones in a VoIP, but also needs to be communicated with a PSTN, and registering distributed numbers on a voice server; receiving calls of the IP phones in the VoIP by the voice server, moreover, when called numbers are enterprise numbers, selecting numbers distributed by a calling IP phone according to types of network numbers of the called numbers as calling numbers, and starting calls for a called phone by the calling numbers; otherwise, selecting the PSTN numbers distributed by the calling IP phone as the calling numbers, and starting or stopping the calls for the called phone by the calling numbers. Meanwhile, the invention discloses a calling system and the voice server for the IP phone, the calling method and the system for the IP phone disclosed by the invention are applied, therefore, not only can communication among the IP phones in the VoIP as well as between the IP phones in the VoIP and the PSTN be achieved, but also the communication can be achieved without number changing or secondary dialing, so that achievement is simpler.
Description
Technical field
The present invention relates to the speech communication technical field, method of calling, system and the voice server of particularly a kind of Internet Protocol (IP) phone.
Background technology
At present, along with popularizing rapidly of IP network, voice-bearer on Internet Protocol (VoIP) has become the first-selected speech communication mode of a lot of enterprises.Yet, for an enterprise, the communication need between existing enterprises VoIP, have again and existing public switch telephone network (PSTN) between carry out communication demand.Fig. 1 is the networking sketch map of existing ip voice communication; As shown in Figure 1, on the one hand, carry out communication between a plurality of IP phones of VoIP such as IP phone 1, IP phone 2 inside; On the other hand, the inner IP phone of VoIP also need carry out communication through voice gateways and PSTN net.
In order to realize that the inner IP phone of communication and VoIP between the inner IP phone of VoIP is with the communication between the PSTN net; Can be through disposing same set of PSTN number for the inner IP phone of VoIP; Each IP phone has a PSTN number, yet, because the quantity of the PSTN of enterprise number is limited; Therefore, also just limited the quantity of the IP phone of VoIP inside.For this reason, can be through being that a VoIP distributes a PSTN number, simultaneously; Each IP phone that is VoIP inside distributes a VoIP number, and with the VoIP number registration of said distribution to voice server, like this; Carry out communication through the VoIP number that distributes between the IP phone of VoIP inside, and when carrying out communication with the PSTN net, particularly when the customer call IP phone in the PSTN net; After the analog signal that voice gateways are sent PSTN is changed; By voice server the PSTN number after changing is carried out FH-number transform, be transformed to by the VoIP number of call ip phone and realize, or realize being carried out two-stage dialing by the VoIP number of call ip phone by voice server; Because the implementation procedure of FH-number transform and two-stage dialing is more complicated all, has also just limited the application of this method.
Summary of the invention
In view of this, the invention provides a kind of method of calling of IP phone, not only can realize between the inner IP phone of VoIP and IP phone that VoIP is inner with the communication between the PSTN network, and realize simple.
The present invention also provides a kind of calling system and voice server of IP phone, not only can realize between the inner IP phone of VoIP and IP phone that VoIP is inner with the communication between the PSTN network, and realize simple.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of method of calling of Internet Protocol IP phone is applied to comprise the system of voice gateways, voice server and IP phone it is characterized in that this method comprises:
In advance for not only need carrying out communication, but also need distribute VoIP number and PSTN number, and will comprise the VoIP number of said distribution and the log-on message of PSTN number is registered on voice server with this inner IP phone of voice-bearer VoIP on Internet Protocol with the IP phone that public switch telephone network PSTN carry out communication;
When voice server receives the IP phone calling of VoIP inside; Judge whether called number is enterprise number; If enterprise number; The number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number, makes that the number of said selection is consistent with the network number type of called number;
Otherwise the PSTN number of selecting the caller IP phone to distribute makes a call or end call to called phone as calling number.
The said number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number; Consistent the comprising of network number type of number with called number that makes said selection: when the called number of calling out when said IP phone was the VoIP number, language server selected VoIP number that said caller IP phone distributes as calling number; When the called number of said IP phone calling was the PSTN number, language server selected the PSTN number of said caller IP phone distribution as calling number.
Said log-on message is included as the VoIP number of said IP phone distribution and the master slave relation of PSTN number.
The said number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number; Consistent the comprising of network number type of number with called number that makes said selection: when the called number of calling out when said IP phone was the major number in the master slave relation, language server selected major number that said caller IP phone distributes as calling number; The called number of calling out when said IP phone be in the master slave relation from number the time, language server select that the IP phone of said caller distributes from number as calling number.
The log-on message of said VoIP number that will comprise said distribution and PSTN number is drawn together carrying out registration packet on the voice server: said IP phone will comprise the VoIP number of said distribution and the log-on message of PSTN number is registered on the voice server.
Said log-on message realizes through Session initiation protocol SIP message, the contact Contact field of said sip message support with arrival To field in different numbers.
A kind of calling system of Internet Protocol IP phone; This system comprises: voice server on Internet Protocol among the voice-bearer VoIP and more than one IP phone, voice gateways and public switch telephone network PSTN; Said more than one IP phone was for not only carrying out communication, but also the IP phone that need carry out communication with PSTN with the inner IP phone of this VoIP; And wherein each IP phone all has been assigned with VoIP number and PSTN number in advance, wherein
Said voice server; Be used to store the VoIP number that comprises distribution of said more than one IP phone and the log-on message of PSTN number; When receiving the IP phone calling of VoIP inside, judge whether called number is enterprise number, if enterprise number; The number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number, makes that the number of said selection is consistent with the network number type of called number; Otherwise the PSTN number of selecting the caller IP phone to distribute makes a call or end call to called phone as calling number.
Said more than one IP phone will comprise the VoIP number of distribution and the log-on message of PSTN number and be registered on the voice server.
Said more than one IP phone is registered to said log-on message on the voice server through Session initiation protocol SIP message, the contact Contact field of said sip message support with arrival To field in different numbers.
A kind of voice server is applied to comprise the calling system of voice gateways and Internet Protocol IP phone it is characterized in that this voice server comprises: memory module, receiver module and selection module, wherein,
Said memory module is used to be stored as not only and need carries out communication, but also need carry out VoIP number and the PSTN number that the IP phone of communication distributes with public switch telephone network PSTN with this inner IP phone of voice-bearer VoIP on Internet Protocol;
Said receiver module is used to receive the message related to calls that caller is sent;
Said selection module; When being used to receive the IP phone calling of VoIP inside; Judge whether called number is enterprise number; If enterprise number, the number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number, makes that the number of said selection is consistent with the network number type of called number; Otherwise the PSTN number of selecting the caller IP phone to distribute makes a call or end call to called phone as calling number.
In sum; The method of calling of the IP phone that the present invention adopted and system; Be through for not only need carrying out communication, but also need allocate VoIP number and PSTN number in advance, thereby make voice server after receiving the message related to calls of said IP phone, select the some numbers in the log-on message of IP phone of said caller as caller with the inner IP phone of this VoIP with the IP phone that PSTN carries out communication; Make that the network number of the called number in number and the message related to calls of said selection is consistent; Perhaps, receive said IP phone as called message related to calls after, select the some numbers in the log-on message of said called IP phone; Make that the network number of the calling number in number and the message related to calls of said selection is consistent; Also just realized between the inner IP phone of VoIP and IP phone that VoIP is inner with the communication between the PSTN, and needn't realize, thereby make that the implementation procedure of communication is simple through the process of FH-number transform or this complicacy of two-stage dialing.
Description of drawings
Fig. 1 is the networking sketch map of existing ip voice communication;
Fig. 2 is the workflow diagram of the method for calling embodiment of IP phone of the present invention;
Fig. 3 is the structural representation of the calling system embodiment of IP phone of the present invention;
Fig. 4 is the structural representation of voice server of the present invention.
Embodiment
In order to solve the problem that exists in the prior art; The present invention proposes a kind of method of calling of new IP phone; Be not only need with the inner IP phone of this VoIP carry out communication, but also the IP phone that need carry out communication with the network of PSTN allocate VoIP number and PSTN number in advance; Thereby make voice server after receiving the message related to calls of said IP phone, select the some numbers in the log-on message of IP phone of said caller, make that the network number of the called number in number and the message related to calls of said selection is consistent as caller; Perhaps; Receive said IP phone as called message related to calls after, select the some numbers in the log-on message of said called IP phone, make that the network number of the calling number in number and the message related to calls of said selection is consistent.
Based on above-mentioned introduction, the concrete realization of scheme according to the invention comprises:
In advance for not only need carrying out communication, but also need distribute VoIP number and PSTN number, and will comprise the VoIP number of said distribution and the log-on message of PSTN number is registered on voice server with the inner IP phone of this VoIP with the IP phone that PSTN carry out communication; When voice server receives the IP phone calling of VoIP inside; Judge whether called number is enterprise number; If enterprise number; The number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number, makes that the number of said selection is consistent with the network number type of called number; Otherwise the PSTN number of selecting the caller IP phone to distribute makes a call or end call to called phone as calling number.
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing and specific embodiment that the present invention is done to describe in detail further below.
Fig. 2 is the workflow diagram of the method for calling embodiment of IP phone of the present invention.As shown in Figure 2, this flow process comprises:
Step 201: for IP phone is allocated VoIP number and PSTN number in advance.
In this step, be for both need carrying out communication with the inner IP phone of this VoIP, need distribute VoIP number and PSTN number again with the IP phone that PSTN carries out communication.
Need to prove, in this step, can be the IP phone assignment numbers by voice server, also can be undertaken by miscellaneous equipment, is as the criterion with the realization that does not influence the embodiment of the invention.
Step 202: will comprise the VoIP number of distribution and the log-on message of PSTN number and be registered on the voice server.
Need to prove, when being when being the IP phone assignment numbers by voice server in the step 201, be the operation that need not to carry out this step.
When being when being the IP phone assignment numbers in the step 201 by miscellaneous equipment; IP phone need be registered to log-on message in the voice service; And log-on message is registered through conversation initialized protocol (SIP) message, the contact of said sip message (Contact) field can support with arrive (To) field in different numbers, and also can be included as the master slave relation of each number that IP phone distributes in the said log-on message; If promptly the VoIP number is as major number; Then the PSTN number will be as from number, and checking numbers here, to carry out the master slave relation definition be in order to confirm the follow-up number of in calling procedure, confirming to be adopted more easily, not have other practical significance.
In this step, suppose 51000 for major number, 82001000 is from number, then IP phone is registered to voice server with log-on message and can carries out through following sip message:
REGISTER?sip：192.168.188.98SIP/2.0
Via：SIP/2.0/UDP?192.168.35.6:5060
To：<sip:51000192.168.188.98>
From：<sip:51000192.168.188.98>
Call-ID：9c739898-20c7-01d2-2d14-00e0bb41b2a6
CSeq：133REGISTER
Max-Forwards：70
Contact：<sip:51000192.168.35.6:5060>；
Contact：<sip:82001000192.168.35.6:5060>；
Expires：3600
User-Agent：SIP-Phone/V1.0
Wherein, what the To field was carried in the sip message is major number 51000, and the Contact field has not only been carried major number 51000, but also has carried from number 82001000, promptly the Contact field support with the To field in different numbers.
Need to prove; In this step; IP phone also can be registered to log-on message on the voice server through expansion sip message or other message etc., specifically how log-on message is registered to be as the criterion with the realization that does not influence the embodiment of the invention on the voice server, repeats no more here.
Step 203: after voice server receives message related to calls, select some numbers in the log-on message of said IP phone, make that the network number of calling number and called number is consistent in the calling procedure as employed number in the calling procedure.
In this step; When voice server receives the IP phone calling of VoIP inside; Judge whether called number is enterprise number; If enterprise number, the number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number, makes that the number of said selection is consistent with the network number type of called number;
Otherwise the PSTN number of selecting the caller IP phone to distribute makes a call or end call to called phone as calling number.
Need to prove that in this step, the call information that voice server receives comprises caller IP address, called IP address and calling number and called number.The said number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number; Consistent the comprising of network number type of number with called number that makes said selection: when the called number of calling out when said IP phone was the VoIP number, language server selected VoIP number that said caller IP phone distributes as calling number; When the called number of said IP phone calling was the PSTN number, language server selected the PSTN number of said caller IP phone distribution as calling number.
What also need explain is; When the log-on message in the step 202 also is included as the master slave relation of VoIP number that IP phone distributes and PSTN number; The said number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number; Consistent the comprising of network number type of number with called number that makes said selection: when the called number of calling out when said IP phone was the major number in the master slave relation, language server selected major number that said caller IP phone distributes as calling number; The called number of calling out when said IP phone be in the master slave relation from number the time, language server select that the IP phone of said caller distributes from number as calling number.
So far, promptly accomplished the whole workflow of IP phone method of calling embodiment of the present invention.
Need to prove that the IP phone in the said method both was applicable to need carry out communication with the inner IP phone of this VoIP, need carry out the IP phone of communication again with PSTN, has just distributed the IP phone of VoIP number and PSTN number simultaneously.
Based on said method, Fig. 3 is the structural representation of the calling system of IP phone of the present invention.As shown in Figure 3; This system comprises: voice server among the VoIP and more than one IP phone, voice gateways and PSTN network; Said more than one IP phone was for not only need carrying out communication, but also the IP phone that need carry out communication with PSTN with the inner IP phone of this VoIP, and wherein each IP phone all has been assigned with VoIP number and PSTN number in advance.Wherein,
Said voice server; Be used to store the VoIP number that comprises distribution of said more than one IP phone and the log-on message of PSTN number; When receiving the IP phone calling of VoIP inside, judge whether called number is enterprise number, if enterprise number; The number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number, makes that the number of said selection is consistent with the network number type of called number; Otherwise the PSTN number of selecting the caller IP phone to distribute makes a call or end call to called phone as calling number.
Further, said more than one IP phone also can be used for the log-on message of VoIP number that comprises distribution and PSTN number is registered on the voice server.Wherein, said more than one IP phone is registered to said log-on message on the voice server through sip message, the Contact field of said sip message support with the To field in different numbers.
So far, promptly obtained the calling system of IP phone of the present invention, the concrete workflow of system of the present invention repeats no more please with reference to the respective description among the method embodiment shown in Figure 2 here.
Based on said method and system, Fig. 4 has provided the structure of the voice server that the present invention adopted.As shown in Figure 4, this voice server comprises: memory module 41, receiver module 42 and selection module 43, wherein,
Said memory module 41 is used to be stored as not only and need carries out communication, but also need carry out VoIP number and the PSTN number that the IP phone of communication distributes with PSTN with the inner IP phone of this VoIP.
Said receiver module 42 is used to receive the message related to calls that caller is sent, and said call information comprises caller IP address, called IP address and calling number and called number.
So far, promptly obtained the voice server that the present invention adopted.The concrete workflow of voice server shown in Figure 4 also please with reference to the respective description among the method embodiment shown in Figure 2, repeats no more here.
In a word; The method of calling of the IP phone that the present invention adopted and system; Be through for not only need carrying out communication, but also need allocate VoIP number and PSTN number in advance, thereby make voice server after receiving the message related to calls of said IP phone, select the some numbers in the log-on message of IP phone of said caller as caller with the inner IP phone of this VoIP with the IP phone that PSTN carries out communication; Make that the network number of the called number in number and the message related to calls of said selection is consistent; Perhaps, receive said IP phone as called message related to calls after, select the some numbers in the log-on message of said called IP phone; Make that the network number of the calling number in number and the message related to calls of said selection is consistent; Also just realized between the inner IP phone of VoIP and IP phone that VoIP is inner with the communication between the PSTN, and needn't realize, thereby simplified the implementation procedure of communication through the process of FH-number transform or this complicacy of two-stage dialing.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (10)
1. the method for calling of an Internet Protocol IP phone is applied to comprise the system of voice gateways, voice server and IP phone it is characterized in that this method comprises:
In advance for not only need carrying out communication, but also need distribute VoIP number and PSTN number, and will comprise the VoIP number of said distribution and the log-on message of PSTN number is registered on voice server with this inner IP phone of voice-bearer VoIP on Internet Protocol with the IP phone that public switch telephone network PSTN carry out communication;
When voice server receives the IP phone calling of VoIP inside; Judge whether called number is enterprise number; If enterprise number; The number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number, makes that the number of said selection is consistent with the network number type of called number;
Otherwise the PSTN number of selecting the caller IP phone to distribute makes a call or end call to called phone as calling number.
2. method according to claim 1; It is characterized in that; The said number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number; Consistent the comprising of network number type of number with called number that makes said selection: when the called number of calling out when said IP phone was the VoIP number, language server selected VoIP number that said caller IP phone distributes as calling number; When the called number of said IP phone calling was the PSTN number, language server selected the PSTN number of said caller IP phone distribution as calling number.
3. method according to claim 1 is characterized in that, said log-on message is included as the VoIP number of said IP phone distribution and the master slave relation of PSTN number.
4. method according to claim 3; It is characterized in that; The said number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number; Consistent the comprising of network number type of number with called number that makes said selection: when the called number of calling out when said IP phone was the major number in the master slave relation, language server selected major number that said caller IP phone distributes as calling number; The called number of calling out when said IP phone be in the master slave relation from number the time, language server select that the IP phone of said caller distributes from number as calling number.
5. method according to claim 1; It is characterized in that the log-on message of said VoIP number that will comprise said distribution and PSTN number is drawn together carrying out registration packet on the voice server: said IP phone will comprise the VoIP number of said distribution and the log-on message of PSTN number is registered on the voice server.
6. method according to claim 5 is characterized in that, said log-on message realizes through Session initiation protocol SIP message, the contact Contact field of said sip message support with arrival To field in different numbers.
7. the calling system of an Internet Protocol IP phone; It is characterized in that; This system comprises: voice server on Internet Protocol among the voice-bearer VoIP and more than one IP phone, voice gateways and public switch telephone network PSTN, said more than one IP phone were for not only need carrying out communication, but also the IP phone that need carry out communication with PSTN with the inner IP phone of this VoIP, and wherein each IP phone all has been assigned with VoIP number and PSTN number in advance; Wherein
Said voice server; Be used to store the VoIP number that comprises distribution of said more than one IP phone and the log-on message of PSTN number; When receiving the IP phone calling of VoIP inside, judge whether called number is enterprise number, if enterprise number; The number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number, makes that the number of said selection is consistent with the network number type of called number; Otherwise the PSTN number of selecting the caller IP phone to distribute makes a call or end call to called phone as calling number.
8. system according to claim 7 is characterized in that, said more than one IP phone will comprise the VoIP number of distribution and the log-on message of PSTN number and be registered on the voice server.
9. system according to claim 8; It is characterized in that; Said more than one IP phone is registered to said log-on message on the voice server through Session initiation protocol SIP message, the contact Contact field of said sip message support with arrival To field in different numbers.
10. voice server is applied to comprise the calling system of voice gateways and Internet Protocol IP phone it is characterized in that this voice server comprises: memory module, receiver module and selection module, wherein,
Said memory module is used to be stored as not only and need carries out communication, but also need carry out VoIP number and the PSTN number that the IP phone of communication distributes with public switch telephone network PSTN with this inner IP phone of voice-bearer VoIP on Internet Protocol;
Said receiver module is used to receive the message related to calls that caller is sent;
Said selection module; When being used to receive the IP phone calling of VoIP inside; Judge whether called number is enterprise number; If enterprise number, the number that distributes according to the network number type selecting caller IP phone of called number makes a call to called phone as calling number, makes that the number of said selection is consistent with the network number type of called number; Otherwise the PSTN number of selecting the caller IP phone to distribute makes a call or end call to called phone as calling number.
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