CN101742010A - Method and device for network extension to dial traditional extension and computer program product thereof - Google Patents

Method and device for network extension to dial traditional extension and computer program product thereof Download PDF

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Publication number
CN101742010A
CN101742010A CN200810181636A CN200810181636A CN101742010A CN 101742010 A CN101742010 A CN 101742010A CN 200810181636 A CN200810181636 A CN 200810181636A CN 200810181636 A CN200810181636 A CN 200810181636A CN 101742010 A CN101742010 A CN 101742010A
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extension
network
traditional
session
traditional extension
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CN101742010B (en
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黄绍华
林耕宇
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Institute for Information Industry
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Abstract

The invention relates to a method and a device for a network extension to dial a traditional extension and a computer program product thereof. The device comprises a session initial protocol agent and a real-time transmission protocol relay. The session initial protocol agent receives a session request from the network extension; a traditional extension number contained in the session request is replaced by a switchboard number; and the replaced session request is transmitted to a network gateway with the switchboard number, so that the network gateway transmits the replaced session request to a voice automaton through a telephone exchanger. The real-time transmission protocol relay transmits the traditional extension number in a double-voice multifrequency form to the network gateway. Therefore, the network extension dials the traditional extension at low hardware cost.

Description

Make a network-extension dial the method for a traditional extension, device and computer program product thereof
Technical field
The invention relates to a kind of method that makes a network-extension dial a traditional extension, device and computer program product thereof; Particularly a kind of change planes a kind of method, device and computer program product thereof that makes a network-extension dial a traditional extension of (IP-PBX) of expensive pure net cross winding that need not dispose.
Background technology
Industry company all adopted the black phone/traditional extension of conventional telecommunications framework so that external client/intra-company is got in touch communication in the past.The conventional telecommunications framework is by a telephone exchange (private branch exchange; PBX) realize, externally see through a Public Switched Telephone Network (as Hinet), internally then be connected to in-company traditional extension to carry out the exchange of speech data.
Public Switched Telephone Network has Circuit-switched characteristic.In other words, in the process that both sides link up, the black phone end at two ends is set up exclusive meeting telephone circuit by a telephone wire, can't carry out voice data transmission by this telephone wire with other session of time.For between branch company of enterprise or the frequent session between intra-company and external client, then must be to Hinet application multiple phone line, to avoid not causing both sides can't set up session because of there is idle telephone wire with the time.For this reason, industry company must pay a no small amount of money.For cutting operating costs, how to reduce communication fee and become important subject under discussion gradually, therefore also develop and a networking telephone (vice over IP; VoIP) technology.
The networking telephone is a kind of technology that sees through the Internet with the grouping of transmission/reception digitize voice.As black phone tap traditional extension, the networking telephone also can be by by a procotol telephone exchange (Internet protocolprivate branch exchange; IP PBX) internally branch picks out many network-extensions.Be different from black phone/traditional extension and must be subject to the scope that telephone wire can reach, as long as there is network can set up the networking telephone/network-extension where, so its scope that can dispose is more vast.
At present many companies of industry tend to set up the enterprise phone network that traditional extension and network-extension co-exist in, to hold the network-extension of already present traditional extension and lower cost.Yet, how to make traditional extension and network-extension in the enterprise phone network dial the important topic of technical field for this reason each other mutually.
See also Fig. 1, it illustrates an enterprise phone network 1 that comprises traditional extension and network-extension.This enterprise phone network 1 comprises a Public Switched Telephone Network 15, a heterogeneous network protocol phone switch 11, a Internet 13, traditional extension 14a, 14b and network-extension 12a, 12b.Heterogeneous network protocol phone switch 11 is the aspects behind the traditional telephone exchange HardwareUpgring, can make network- extension 12a, 12b see through the Internet 13 and heterogeneous network protocol phone switch 11 is dialed traditional extension 14a, 14b.Simultaneously, network- extension 12a, 12b also can see through network 13, hybrid network protocol phone switch 11 and Public Switched Telephone Network 15 external sessions.Yet the price of heterogeneous network protocol phone switch 11 is about tens million of units to several hundred million units, so only there is the enterprise of minority to bear.
Hence one can see that, how to provide a kind of and can keep the session quality simultaneously, do not need the network-extension that makes of expensive cost to dial the technology of traditional extension again, for this reason the target of the common expectation of technical field.
Summary of the invention
A purpose of the present invention is to provide a kind of device that makes a network-extension dial a traditional extension.One enterprise phone network comprises this network-extension and this traditional extension.This network-extension has a network-extension number; This traditional extension has a traditional extension number.
For reaching above-mentioned purpose, this device comprises a session initiation protocol proxy server (session initiation protocolproxy; SIP proxy) and a RTP repeater (real-time transport protocol relay; RTP relay).This session initiation protocol proxy server receives a session requirement in order to this network-extension certainly, and this session requires to comprise this traditional extension number.This session initiation protocol proxy server replaces in order to the general number of this traditional extension number during this session is required with this enterprise phone network, and require the network gateway that has this general number to one in order to transmit session after this replacement according to this general number, so that the session requirement after this network gateway replaces in response to this sees through a telephone exchange and transmits ringing signal to a voice automaton.
This session initiation protocol proxy server also receives a confirmation signal in order to this network gateway certainly, and this confirmation signal represents that this voice automaton answers this ringing signal.This session initiation protocol proxy server is in order to transmitting this confirmation signal to this network-extension, receives a response signal in order to this network-extension certainly, and in order to transmit this response signal to this network gateway.This response signal is that this network-extension produces in response to this confirmation signal.Also in order to transmit a corresponding relation of this traditional extension number and this network-extension number, this RTP repeater is in order to receive this corresponding relation and to store this corresponding relation to this session initiation protocol proxy server.
Another object of the present invention is to provide a kind of method that makes a network-extension dial a traditional extension.One enterprise phone network comprises this network-extension and this traditional extension.This network-extension has a network-extension number; This traditional extension has a traditional extension number.
For reaching above-mentioned purpose, the method includes the steps of: (a) this network-extension receives a session requirement certainly, and this session requires to comprise this traditional extension number; (b) general number of this traditional extension number in this session requirement with this enterprise phone network replaced; (c) according to this general number, transmit session after this replacement and require the network gateway that has this general number to one, so that requiring and see through a telephone exchange, the session of this network gateway after in response to this replacement transmit ringing signal to a voice automaton; (d) this network gateway receives a confirmation signal certainly, and this confirmation signal represents that this voice automaton answers this ringing signal; (e) transmit this confirmation signal to this network-extension; (f) this network-extension receives a response signal certainly, and this response signal is that this network-extension produces in response to this confirmation signal; And (g) transmit this response signal to this network gateway.
Another purpose of the present invention is to provide a kind of computer program product, a kind of program that makes a network-extension dial a traditional extension of storage in this computer program product.After this program is loaded a microprocessor, make this microprocessor carry out a plurality of program command.These program command make this microprocessor finish the described method that makes a network-extension dial a traditional extension of leading portion.
From the above, the present invention makes the session initiation protocol proxy server have the function of number in the order of displacement news, and makes the RTP repeater have a generation dual-tone multifrequency (dual tone multi frequency; DTMF) Fen Zu mechanism.In view of the above, the present invention only need increase session initiation protocol proxy server and RTP repeater newly, can replace the function of the hybrid network protocol phone switch of prior art, so can significantly reduce the cost of hardware configuration.
Description of drawings
For above-mentioned purpose of the present invention, technical characterictic and advantage can be become apparent, below conjunction with figs. is elaborated to preferred embodiment of the present invention, wherein:
Fig. 1 is a schematic diagram of describing the enterprise phone network of prior art;
Fig. 2 is a schematic diagram of describing first embodiment; And
Fig. 3 A and Fig. 3 B are the schematic diagrames of describing second embodiment.
Embodiment
The invention relates to the device, method and the computer program product thereof that make a network-extension dial a traditional extension.Compared to prior art, device provided by the present invention, method and computer program product thereof have reduced the cost that network-extension is dialed traditional extension.Following embodiment is in order to illustrate content of the present invention, is not in order to restriction the present invention.Need the expositor, in following examples and the accompanying drawing, the element that has nothing to do with the present invention omits and does not illustrate, and in the accompanying drawing each interelement size relationship only for asking easy understanding, non-in order to limit actual ratio.
See also Fig. 2, it is the enterprise phone network 2 according to the first embodiment of the present invention.This enterprise phone network 2 comprises a network-extension 21, a traditional extension 22, makes network-extension dial the device 23 of traditional extension (hereinafter to be referred as dialing device 23), a network gateway 24, a telephone exchange 25 and a voice automaton 26.Wherein, dial device 23 and comprise a session initiation protocol proxy server (Session Initiation Protocol Proxy; SIP Proxy) 23a and a RTP repeater (Real-time Transport Protocol Relay; RTP Relay) 23b.Network-extension 21, traditional extension 22, network gateway 24, telephone exchange 25 and voice automaton 26 are the standard hardware equipment in the affiliated technical field, so do not describe in detail.
The person of noting, if this enterprise phone network 2 is arranged at a school, then this enterprise phone network 2 only need dispose one and dial device 23, yet, other implement aspect configurable other number of enterprise phone network dial device 23, to avoid dialing the communicating interrupt that is caused when device 23 can't operate when one.In other words, the number of dialing device 23 is not in order to limit the scope of the invention.
Network-extension 21 has a network-extension number (for example 6000), and traditional extension 22 has a traditional extension number (for example 2025).At first, when user's desire was utilized network-extension 21 with traditional extension 22 sessions, the user pressed the traditional extension number that traditional extension 22 had (promptly 2025) in network-extension 21.After the user pressed traditional extension number (promptly 2025), network-extension 21 promptly produced a session requirement 201, and this session requires 201 to comprise the traditional extension number that traditional extension 22 had (promptly 2025).Session initiation protocol proxy server 23a then automatic network extension set 21 receives this session requirement 201.In present embodiment, this session requires 201 to be the invitation news order of standard in the networking telephone framework, and its content is " invite 2025@... ".Affiliated technical field possesses knows that usually the knowledgeable should know the invitation news order in the networking telephone framework, so do not give unnecessary details.
Session initiation protocol proxy server 23a is after receiving this session and requiring 201, and a correspondence that transmits network-extension number (promptly 6000) and traditional extension number (promptly 2025) concerns 202 to RTP repeater 23b.RTP repeater 23b then stores the corresponding relation of this network-extension number (promptly 6000) and traditional extension number (promptly 2025).Afterwards, RTP repeater 23b distributes an internet address (IP address) and a port (port) of RTP channel in response to this corresponding relation 202.RTP repeater 23b and transmit comprise this internet address and this port a distributing signal 203 to session initiation protocol proxy server 23a, with the foundation that transmits mutually as network-extension 21 and 22 subsequent voice packets of traditional extension.
Then, session initiation protocol proxy server 23a requires traditional extension number (promptly 2025) in 201 with a general number of enterprise phone network 2 (for example 0282122000) replacement session.With present embodiment, the session after the replacement requires 201 ' also to be the invitation news order of standard in the networking telephone framework, and its content is " invite0282122000@... ".Then, session initiation protocol proxy server 23a requires 201 ' to be sent to the network gateway 24 with this general number the session after replacing according to general number (promptly 0282122000).Session initiation protocol proxy server 23a also transmits one and attempts signal 204 to network-extension 21, has begun to handle its session requirement 201 at present with informing network extension set 21.In present embodiment, this attempts the standard trial news order that signal 204 is a networking telephone framework, and its content is " 100trying ".Affiliated technical field possesses knows that usually the knowledgeable should know the standard trial news order of networking telephone framework, so do not describe in detail.
On the other hand, network gateway 24 receives after session that session initiation protocol proxy server 23a transmits requires 201 ', and network gateway 24 sees through telephone exchange 25 and transmits one first ringing signal 205a to voice automaton 26.Particularly, network gateway 24 transmits the first ringing signal 205a earlier to telephone exchange 25, and telephone exchange 25 transmits this first ringing signal 205a again to voice automaton 26.Afterwards, network gateway 24 transmits one second ringing signal 205b to session initiation protocol proxy server 23a, and session initiation protocol proxy server 23a transmits this second ringing signal 205b again to network-extension 21.At this moment, the user of network-extension 21 will hear the tinkle of bells of thinking of phone from the receiver of network-extension 21.The standard jingle bell news order that the aforementioned second ringing signal 205b is a networking telephone framework, its content is " 183Ringing " or " 180Ringing ".Affiliated technical field possesses knows that usually the knowledgeable should know the standard jingle bell news order of networking telephone framework, so do not describe in detail.
When voice automaton 26 detects the first ringing signal 205a, connect phone (offhook) automatically and play greeting.Conventional switch 25 can detect the circuit operation 213 that voice automaton 26 has connect phone, and network gateway 24 sees through conventional switch 25 and detects the circuit operation 213 that voice automaton 26 has connect phone afterwards.
In response to detecting the circuit operation 213 that voice automaton 26 has connect phone, network gateway 24 transmits a confirmation signal 206 to session initiation protocol proxy server 23a, and these confirmation signal 206 expression voice automatons 26 are answered the first ringing signal 205a.Session initiation protocol proxy server 23a automatic network gateway 24 receives this confirmation signal 206, transmits this confirmation signal 206 again to network-extension 21.In present embodiment, confirmation signal 206 is that the standard of networking telephone framework is confirmed the news order, and its content is " 200OK ".Affiliated technical field possesses knows that usually the knowledgeable should know the standard affirmation news order of networking telephone framework, so do not describe in detail.
Behind the network-extension 21 confirmation of receipt signals 206, produce a response signal 207 in response to this confirmation signal 206, this response signal 207 comprises traditional extension number (promptly 2025).Session initiation protocol proxy server 23a then automatic network extension set 21 receives this response signal 207.In present embodiment, response signal 207 is the normal response news order of networking telephone framework, its content little " ACK 2025@... ".Affiliated technical field possesses knows that usually the knowledgeable should know the normal response news order of networking telephone framework, so do not describe in detail.Session initiation protocol proxy server 23a is after receiving response signal 207, replace the traditional extension number that response signal 207 comprised (promptly 2025) with general number (promptly 0282122000), according to general number, the response signal 207 ' after replacing is sent to network gateway 24 again.With present embodiment, holding within this response signal 207 ' is " ACK 0282122000@... ".
Afterwards, RTP repeater 23b traditional extension number that network-extension 21 is dialed (promptly 2025) is with dual-tone multifrequency (dual tone multi frequency; DTMF) formal representation is to produce an audio mail 208.Particularly, this audio mail 208 is a RTP (real time transport; RTP) grouping, its content comprises DTMF=2025.RTP repeater 23b then transmits this audio mail 208 to network gateway 24.After network gateway 24 is converted to the analog signal 208 ' of a double-tone multifrequency form with audio mail 208, sees through telephone exchange 25 this analog signal 208 ' is sent to voice automaton 26.Need expositor, this analog signal 208 ' to be essentially the keypad tone of traditional extension number (promptly 2025).After voice automaton 26 receives this analog signal 208 ', can be forwarded to traditional extension 22.At this moment, traditional extension 22 will send the incoming call jingle bell, and when treating that another user has connect traditional extension 22, both sides just can begin session.
When both sides' session, network-extension 21 is according to the internet address and the port that are distributed before, sees through RTP repeater 23b and transmits the RTP grouping 214 of digital form to network gateway 24.Network gateway 24 sees through telephone exchange 25 and is sent to traditional extension 22 after the RTP of digital form grouping 214 is converted to analog voice grouping 214 '.Same, the analog voice grouping 214 ' that network gateway 24 also can transmit traditional extension 22 is converted to the RTP grouping 214 of digital form, sees through RTP repeater 23b again and is sent to network-extension 21.
When the user who uses black phone 22 hangs up the telephone (finishing both sides' session), network gateway 24 can detect the hang-up signal 215 from black phone 22.In response to detecting this hang-up signal 215, network gateway 24 transmits an end session and requires 209, and this end session requires 209 to comprise the general number that network gateway 24 had (promptly 0282122000).In the present embodiment, end session requires 209 to be the standard end news order of networking telephone framework, and its content is " BYE 0282122000@... ".
Session initiation protocol proxy server 23a replaces end session with the network-extension number of network-extension 21 (promptly 6000) and requires general number in 29 after receiving this end session requirement 209.With present embodiment, the content of the end session requirement 209 ' after the replacement is " BYE 6000@... ".Then, session initiation protocol proxy server 23a requires 209 ' to be sent to network-extension 21 end session after replacing according to network-extension number (promptly 6000).End session after 21 of network-extensions replace according to this requires 209 ' to finish and the session of 22 of traditional extensions.Then, network-extension 21 transmits a confirmation signal 210 to session initiation protocol proxy server 23a, after session initiation protocol proxy server 23a receives, be sent to network gateway 24.The standard that this confirmation signal 210 is a networking telephone framework is confirmed the news order, and its content is " 200OK ".The session of promptly be through with network-extension 21 and traditional extension 22 like this.
From the above, first embodiment sees through session initiation protocol proxy server 23a and requires the traditional extension number in 201 to be substituted by general number session, see through RTP repeater 23b again and produce the audio mail 208 that comprises DTMF=2025, can make network-extension 21 dial traditional extension 22.Pure net cross winding compared to existing direct deployment cost costliness is changed planes (IP-PBX), and the present invention can finish the technology that network-extension is dialed traditional extension with lower cost.
The second embodiment of the present invention is to make a network-extension dial the method for a traditional extension, and its flow chart is depicted in Fig. 3 A and Fig. 3 B.The method of second embodiment is applicable to as first embodiment described session initiation protocol proxy server 23a and RTP repeater 23b.The step that Fig. 3 A is painted is divided into two hurdles, and wherein left hurdle is performed by session initiation protocol proxy server 23a, and right hurdle then is to be carried out by RTP repeater 23b.The step that Fig. 3 B is described is then all carried out by session initiation protocol proxy server 23a.
As described in first embodiment, session initiation protocol proxy server 23a and RTP repeater 23b are contained in an enterprise phone network.As first embodiment, this enterprise phone network also comprises network-extension, traditional extension, network gateway, telephone exchange and voice automaton.Network-extension and traditional extension have a network-extension number and a traditional extension number respectively.
Second embodiment is execution in step 301 at first, makes session initiation protocol proxy server 23a automatic network extension set receive a session requirement, and this session requires to comprise the traditional extension number that traditional extension has.Then, in step 302, make session initiation protocol proxy server 23a after receiving the session requirement, transmit corresponding relation of network-extension number and traditional extension number to RTP repeater 23b.
Then, in step 303, make RTP repeater 23b receive aforesaid corresponding relation; In step 304, store this corresponding relation.The method is followed execution in step 305, makes RTP repeater 23b in response to this corresponding relation, distributes an internet address and a port of RTP channel.Then, execution in step 306 transmits RTP repeater 23b and comprises a distributing signal of internet address and port to session initiation protocol proxy server 23a.
Second embodiment makes the traditional extension number of session initiation protocol proxy server 23a during the session that step 301 received is required replace with a general number of enterprise phone network in step 307.Then execution in step 308 makes session initiation protocol proxy server 23a according to general number, transmits session after replacing and requires the network gateway that has this general number to one.In step 309, make session initiation protocol proxy server 23a transmit one and attempt signal to network-extension, begun to handle its session requirement at present with the informing network extension set.
On the other hand, after step 308, the network gateway with this general number can see through telephone exchange and transmit a ringing signal to the voice automaton in response to the channel requirement after this replacement.When the voice automaton detects ringing signal, connect phone automatically and play greeting.The traditional exchange chance detects the circuit operation that the voice automaton has connect phone, and network gateway sees through conventional switch and detects the circuit operation that the voice automaton has connect phone afterwards.In response to detecting the circuit operation that the voice automaton has connect phone, network gateway transmits a confirmation signal to session initiation protocol proxy server 23a.
This method is followed execution in step 310, makes session initiation protocol proxy server 23a automatic network gateway confirmation of receipt signal, and wherein, this confirmation signal represents that the voice automaton answers this session requirement.Then execution in step 311 makes session initiation protocol proxy server 23a transmit this confirmation signal to network-extension.In step 312, make session initiation protocol proxy server 23a automatic network extension set receive a response signal, this response signal is that network-extension produces in response to confirmation signal, this response signal comprises the number of traditional extension.In step 313, make session initiation protocol proxy server 23a replace traditional extension number in the response signal with general number, and will be sent to network gateway.
Then execution in step 314, make RTP repeater 23b with the traditional extension number with the dual-tone multifrequency formal representation, to produce an audio mail.This audio mail is RTP grouping.Then execution in step 315 makes RTP repeater 23b transmit this audio mail to network gateway.Afterwards, network-extension and traditional extension can carry out session.
When both sides' conversation end, in step 316, make session initiation protocol proxy server 23a automatic network gateway receive an end session requirement, this end session requires to comprise the general number that network gateway has.Then execution in step 317 makes session initiation protocol proxy server 23a with the general number in the requirement of network-extension number replacement end session.Then execution in step 318 makes the end session after session initiation protocol proxy server 23a will replace require to be sent to network-extension.Then execution in step 319 makes session initiation protocol proxy server 23a automatic network extension set receive a confirmation signal.Last execution in step 320 makes session initiation protocol proxy server 23a transmit confirmation signal to network gateway.The session of promptly be through with network-extension and traditional extension like this.
Except that above-mentioned steps, second embodiment also can carry out first embodiment Radio Network System action and also have the function that Radio Network System had of first embodiment.Under technical field have know usually the knowledgeable can be directly acquainted with second embodiment how based on the Radio Network System of above-mentioned first embodiment to carry out these operations, so do not give unnecessary details.
The third embodiment of the present invention is a kind of computer program product, a kind of program that makes a network-extension dial a traditional extension of interior storage, and an enterprise network comprises this network-extension and this traditional extension.After a microprocessor loads this program, can carry out a plurality of instructions, to finish the described step of aforementioned second embodiment.
The 3rd embodiment computer program product can be read-only memory (read only memory; ROM), flash memory, floppy disk, hard disk, CD, with oneself dish, tape, can be by the database of network access, or affiliated technical field has and knows any other Storage Media with identical function of knowing known to the knowledgeable usually.
Comprehensively above-mentioned, the present invention makes the session initiation protocol proxy server traditional extension number in the session requirement is substituted by the general number of enterprise network, make the RTP repeater produce the traditional extension number of dual-tone multifrequency form again, and will be sent to network gateway.In view of the above, the present invention only need increase session initiation protocol proxy server and RTP repeater newly, and the existing telephone switchboard of arranging in pairs or groups can make network-extension dial traditional extension.Finish network-extension with hybrid network protocol phone switch and dial traditional extension compared to existing, the present invention obviously significantly reduces cost.
The above embodiments only are used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not to be used for limiting protection category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of the isotropism scope that all belongs to the present invention and advocated, the scope of the present invention should be as the criterion with claim.

Claims (20)

1. method that makes a network-extension dial a traditional extension, an enterprise phone network comprises this network-extension and this traditional extension, it is characterized in that this method comprises the following step:
(a) this network-extension receives a session requirement certainly, and this session requires to comprise the traditional extension number that this traditional extension has;
(b) general number of this traditional extension number in this session requirement with this enterprise phone network replaced;
(c) according to this general number, transmit session after this replacement and require the network gateway that has this general number to one, so that requiring and see through a telephone exchange, the session of this network gateway after in response to this replacement transmit ringing signal to a voice automaton;
(d) this network gateway receives a confirmation signal certainly, and this confirmation signal represents that this voice automaton answers this ringing signal;
(e) transmit this confirmation signal to this network-extension;
(f) this network-extension receives a response signal certainly, and this response signal is that this network-extension produces in response to this confirmation signal; And
(g) transmit this response signal to this network gateway.
2. the method that makes a network-extension dial a traditional extension according to claim 1 is characterized in that also comprising the following step:
Transmit an audio mail to this network gateway, this audio mail is this traditional extension number of a double-tone multifrequency form, transmits this audio mail to this voice automaton so that this network gateway sees through this telephone exchange.
3. the method that makes a network-extension dial a traditional extension according to claim 2 is characterized in that also comprising the following step:
With this traditional extension number with the dual-tone multifrequency formal representation, to produce this audio mail.
4. the method that makes a network-extension dial a traditional extension according to claim 2 is characterized in that this response signal comprises this traditional extension number, and this method also comprises the following step:
After step (f), replace this traditional extension number in this response signal with this general number.
5. the method that makes a network-extension dial a traditional extension according to claim 1 is characterized in that this network-extension has a network-extension number, and this method also comprises the following step:
Store a corresponding relation of this network-extension number and this traditional extension number.
6. the method that makes a network-extension dial a traditional extension according to claim 2 is characterized in that this audio mail is RTP grouping.
7. the method that makes a network-extension dial a traditional extension according to claim 2 is characterized in that also comprising the following step:
Receive an end session requirement from this network gateway, this end session requires to comprise this general number;
Replace this general number in this end session requirement with this network-extension number; And
According to this network-extension number, the end session after this replacement is required to be sent to this network-extension, so that the session between this network-extension end and this traditional extension.
8. computer program product, a kind of program that makes a network-extension dial a traditional extension of interior storage, an enterprise phone network comprises this network-extension and this traditional extension, and this program is carried out after being loaded a microprocessor:
The 1st program command makes this microprocessor receive a session requirement from this network-extension, and this session requires to comprise the traditional extension number that this traditional extension has;
The 2nd program command makes this microprocessor that the general number of this traditional extension number in this session requirement with this enterprise phone network replaced;
The 3rd program command, make this microprocessor according to this general number, transmit session after this replacement and require the network gateway that has this general number to one, so that the session requirement of this network gateway after replacing in response to this sees through a telephone exchange and transmit ringing signal to a voice automaton;
The 4th program command makes this microprocessor receive a confirmation signal from this network gateway, and this confirmation signal represents that this voice automaton answers this ringing signal;
The 5th program command makes this microprocessor transmit this confirmation signal to this network-extension;
The 6th program command makes this microprocessor receive a response signal from this network-extension, and this response signal is that this network-extension produces in response to this confirmation signal; And
The 7th program command makes this microprocessor transmit this response signal to this network gateway.
9. computer program product according to claim 8 is characterized in that this program also carries out:
The 8th program command makes this microprocessor transmit an audio mail to this network gateway, and this audio mail is this traditional extension number of a double-tone multifrequency form, transmits this audio mail to this voice automaton so that this network gateway sees through this telephone exchange.
10. computer program product according to claim 9 is characterized in that this program also carries out:
The 9th program command, make this microprocessor with this traditional extension number with the dual-tone multifrequency formal representation, to produce this audio mail.
11. computer program product according to claim 9 is characterized in that this response signal comprises this traditional extension number, this program is also carried out:
The 9th program command makes this microprocessor after carrying out the 6th program command, replaces this traditional extension number in this response signal with this general number.
12. computer program product according to claim 8 is characterized in that this network-extension has a network-extension number, this program is also carried out:
The 8th program command makes this microprocessor store a corresponding relation of this network-extension number and this traditional extension number.
13. computer program product according to claim 9 is characterized in that this audio mail is RTP grouping.
14. computer program product according to claim 9 is characterized in that this program also carries out:
The 9th program command makes this microprocessor receive an end session requirement from this network gateway, and this end session requires to comprise this general number;
The 10th program command makes this microprocessor replace this general number in this end session requirement with this network-extension number; And
The 11st program command makes this microprocessor according to this network-extension number, and the end session after this replacement is required to be sent to this network-extension, so that the session between this network-extension end and this traditional extension.
15. a device that makes a network-extension dial a traditional extension, an enterprise phone network comprises this network-extension and this traditional extension, and this network-extension has a network-extension number, it is characterized in that this device comprises:
One session initiation protocol proxy server, receive a session requirement in order to this network-extension certainly, this session requires to comprise the traditional extension number that this traditional extension has, replace in order to the general number of this traditional extension number during this session is required with this enterprise phone network, in order to according to this general number, transmit session after this replacement and require the network gateway that has this general number to one, so that the session requirement after this network gateway replaces in response to this, see through a telephone exchange and transmit ringing signal to a voice automaton, receive a confirmation signal in order to this network gateway certainly, this confirmation signal represents that this voice automaton answers this ringing signal, in order to transmit this confirmation signal to this network-extension, receive a response signal in order to this network-extension certainly, in order to transmit this response signal to this network gateway, this response signal is that this network-extension produces in response to this confirmation signal, in order to transmit a corresponding relation of this traditional extension number and this network-extension number; And
One RTP repeater is in order to receive this corresponding relation and to store this corresponding relation.
16. the device that makes a network-extension dial a traditional extension according to claim 15, it is characterized in that this RTP repeater is also in order to transmit an audio mail to this network gateway, this audio mail is this traditional extension number of a double-tone multifrequency form, transmits this audio mail to this voice automaton so that this network gateway sees through this telephone exchange.
17. the device that makes a network-extension dial a traditional extension according to claim 16, it is characterized in that this RTP repeater also in order to this traditional extension number with the dual-tone multifrequency formal representation, to produce this audio mail.
18. the device that makes a network-extension dial a traditional extension according to claim 16, it is characterized in that this response signal comprises this traditional extension number, after this session initiation protocol proxy server also is used to receive this response signal, replace this traditional extension number in this response signal with this general number.
19. the device that makes a network-extension dial a traditional extension according to claim 15 is characterized in that this audio mail is RTP grouping.
20. the device that makes a network-extension dial a traditional extension according to claim 16, it is characterized in that this session initiation protocol proxy server also receives an end session requirement that comprises this general number in order to this network gateway certainly, also in order to replace this general number in this end session requirement with this network-extension number, and in order to according to this network-extension number, transmit this end session requirement to this network-extension, so that the session between this network-extension end and this traditional extension.
CN200810181636.5A 2008-11-27 2008-11-27 A network-extension is made to dial method and the device of a traditional extension Expired - Fee Related CN101742010B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012126382A1 (en) * 2011-03-22 2012-09-27 华为技术有限公司 Method for implementing main exchange service and gateway apparatus
CN102904872A (en) * 2012-08-17 2013-01-30 苏州洲际传书信息科技有限公司 Communication method and communication system
CN108924373A (en) * 2018-07-13 2018-11-30 京东方科技集团股份有限公司 Communication system, construction method and the communication means of fixed line based on transfer server

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CN1848876B (en) * 2005-04-14 2010-04-28 华为技术有限公司 Method and system for realizing dialing directly for cross-domain user exchanger extension
CN1893483B (en) * 2005-07-06 2010-05-05 中兴通讯股份有限公司 Method for providing virtual telephone exchange service by intelligent network

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012126382A1 (en) * 2011-03-22 2012-09-27 华为技术有限公司 Method for implementing main exchange service and gateway apparatus
CN102904872A (en) * 2012-08-17 2013-01-30 苏州洲际传书信息科技有限公司 Communication method and communication system
CN102904872B (en) * 2012-08-17 2015-08-26 苏州洲际传书信息科技有限公司 Communication means and communication system
CN108924373A (en) * 2018-07-13 2018-11-30 京东方科技集团股份有限公司 Communication system, construction method and the communication means of fixed line based on transfer server
CN108924373B (en) * 2018-07-13 2021-02-12 京东方科技集团股份有限公司 Fixed telephone communication system, construction method and communication method based on transfer server
US10999336B2 (en) 2018-07-13 2021-05-04 Boe Technology Group Co., Ltd. Communication system and construction method and communication method thereof

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