WO2011140748A1

WO2011140748A1 - Method for implementing dialing switchboard and extension, and audio conference service system thereof

Info

Publication number: WO2011140748A1
Application number: PCT/CN2010/075818
Authority: WO
Inventors: 彭磊; 黄磊
Original assignee: 中兴通讯股份有限公司
Priority date: 2010-05-12
Filing date: 2010-08-09
Publication date: 2011-11-17
Also published as: CN101848220A

Abstract

A method for implementing dialing a switchboard and an extension is provided by the present invention. Said method comprises: after receiving a request message accessed with a combined number composed of a switchboard number and an extension number, an audio conference service server transmits the media information of the switchboard auto-station and the extension number information to a media server; after receiving the media information of the switchboard auto-station and the extension number information, the media server plays the pulse tone of the extension number to the switchboard auto-station. An audio conference service system and an audio conference service server are also provided by the present invention. The present invention realizes that: in an audio conference service, an extension of a switchboard can be accessed automatically and be invited as a conference member, thus implementing dialing the switchboard and the extension with inputting once in the audio conference service.

Description

Method for realizing extension dialing of switchboard and voice conference service system

The present invention relates to the field of intelligent network communication under the IP Multimedia Subsystem (IMS) and the Next Generation Network (NGN) network, and particularly relates to a method for realizing one-time dialing of a switchboard extension. Voice conference business system.

Background technique

The so-called voice conference service is a kind of call service in which a user uses a telephone terminal (including various soft and hard terminals) that can make a call to mix the voice media information of the telephone through the conference service using the media resource server to achieve the conference effect. The voice conference service belongs to a back-to-back (B2B) call type service, which is widely used in communication networks. However, in the enterprise, more cases are that the telephone used by the user is an extension. When the participating conference members include extensions under different switchboards, the conference business support is required to invite the switchboard extension members. At present, the switchboard generally performs the transfer of the extension through the automatic station, that is, firstly, the user is notified of the extension number through automatic voice play, and the extension number is identified by the pulse tone input by the user to realize the connection of the extension number, that is, the current extension of the switchboard must be To request a secondary input, first dial the switchboard number and then enter the extension number. In the current voice conference service system, the general call extension user is generally the conference controller, and the conference control interface often has no dial dial function that can continue to input the extension number.

SUMMARY OF THE INVENTION In view of the above problems, the present invention provides a method for realizing extension dialing in a voice conference service and a voice conference service system, so as to implement an extension of an extension in the voice conference service as a conference member. In order to solve the above technical problem, the present invention provides a method for implementing dialing of a switchboard extension, the method comprising: The voice conference service server receives the request message accessed by the combination number of the switchboard automatic station number and the extension number, and sends the media information and the extension number information of the switchboard automatic station to the media server; and the media server receives the media information of the switchboard automatic station. And the extension number information, and the pulse sound of the extension number is played to the switchboard automatic station. After the voice conference service server receives the request message that is accessed by the combination number of the switchboard automatic number and the extension number, the method further includes: following the switchboard automatic station number to the switchboard automatic station, acquiring the switchboard The media information of the automatic station. After the media server receives the media information of the switchboard automatic station, the method further includes: the media server performs media negotiation, and then returns a media negotiation response message to the voice conference service server; and the voice conference service server receives the media negotiation After responding to the message, the playback request message of the extension number pulse tone is sent to the media server, and the extension number information is carried. The step of the voice conference service server transmitting the sounding request message of the extension number pulse sound to the media server includes: the voice conference service server sends a sounding request message of the extension number pulse sound to the media server according to the delay time configured by the system. The media server plays the pulse sound of the extension number to the switchboard automatic station: the media server plays the pulse sound of the extension number to the switchboard automatic station in a dual tone multi-frequency manner. The media information of the switchboard automatic station includes: an encoding format, a usage protocol, an IP address, and a port number of the media packet. In order to solve the above technical problem, the present invention further provides a voice conference service system, including: a voice conference service server, which is configured to: receive a request message accessed by a combination number of a switchboard number and an extension number, and use the switchboard number The media information and the extension number information of the corresponding switchboard automatic station are sent to the media server; and The media server is configured to: receive the media information and the extension number information of the switchboard automatic station, and play the pulse sound of the extension number to the switchboard automatic station. The voice conference service server is further configured to: obtain media information of the switchboard automatic station according to the switchboard automatic station number connected to the corresponding switchboard automatic station. The media server is further configured to: perform media negotiation, and then return a media negotiation response message to the voice conference service server; the voice conference service server is further configured to: after receiving the media negotiation response message, send the extension number to the media server A sounding request message of the pulse sound, and the sounding request message carries the extension number information. The voice conference service server is a play request message that is set to send an extension number pulse sound to the media server according to a delay time configured by the system. The media server is a pulse sound set to play an extension number to the switchboard automatic station in a dual tone multi-frequency manner. The media information of the switchboard automatic station includes: an encoding format, a usage protocol, an IP address, and a port number of the media packet.

In order to solve the above technical problem, the present invention further provides a voice conference service server, comprising: a receiving module, configured to: receive a request message accessed by a combined number of a switchboard automatic station number and an extension number; a sending module, The method is: sending the media information and the extension number information of the switchboard automatic station corresponding to the switchboard number to the media server, so that after receiving the media information and the extension number information of the switchboard automatic station, the media server automatically sends the media information and the extension number information to the switchboard The station plays the pulse sound of the extension number. The voice conference service server further includes: an information acquisition module, configured to: obtain media information of the switchboard automatic station according to the switchboard automatic station number connected to the corresponding switchboard automatic station. The receiving module is further configured to: receive a media negotiation response message returned by the media server to the voice conference service server after the media negotiation; the sending module is further configured to: after receiving the media negotiation response message, to the media server Sending a playback request message of the extension number pulse tone, carrying the extension number information. The sending module is a playback request message that is configured to send an extension number pulse sound to the media server according to the configured delay time.

In summary, the present invention provides a method for realizing extension dialing in a voice conference service and a voice conference service system, which can automatically connect to an extension under the switchboard in the voice conference service, and realize the invitation to the switchboard in the voice conference service. As the conference member, the extension realizes one dialing of the switchboard extension in the voice conference service.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of a voice conference service system according to an embodiment of the present invention; FIG. 2 is a flowchart of a method for realizing one-time dialing of a switchboard extension according to the present invention; FIG. FIG. 4 is a signaling flowchart of a method for implementing one-time dialing of a switchboard extension according to an embodiment of the present invention.

The preferred embodiment of the present invention is based on the principle of the switchboard extension of the switchboard, and the core idea of the present invention is to simulate the in-band dual tone multi-frequency (Dual-Tone Multi-Frequency) input by the user after the success of the switchboard number. , DTMF ) Pulse sound, played to the switchboard after off-hook, and then realize the connection of the extension number, realizes the dial-up of the switchboard extension in the voice conference service.

The preferred embodiments of the present invention are described with reference to the accompanying drawings, and the preferred embodiments of the invention are intended to illustrate and explain the invention. FIG. 1 is a schematic diagram of a voice conference service system according to an embodiment of the present invention. As shown in FIG. 1 , the system in this embodiment may include the following network elements: a conference application server (Conf AS) and a media server (media). Server, referred to as MS), switchboard automaton and extension phone. Figure 1 is just a schematic illustration of the network topology of IMS or NGN. In actual implementation, the Conf AS, the MS, and the user equipment (User Equipment, for example, the UE, for example, the switchboard and the extension telephone, and other user-oriented terminals participating in the voice conference service) are accessing the IMS network or the NGN network. middle. The Conf AS and the switchboard and its extensions, or other call terminal devices, can communicate through the Session Initiation Protocol (SIP). The Conf AS and the media server can communicate with each other through the SIP or Media Gateway Control Protocol (Media Gateway Control). Protocol, referred to as MGCP for communication, the media server and the call terminal or extension can communicate with each other through a media protocol such as G.711.

Conf AS is used to provide the underlying voice conferencing service capabilities, such as: call control, status, and bill generation. MS is used to provide voice media capabilities.

The method for realizing one-time dialing of the switchboard extension of the present invention, as shown in FIG. 2, includes the steps:

S10. After receiving the request message accessed by the combination number of the switchboard number and the extension number, the Conf AS sends the media information and the extension number information of the switchboard automatic station corresponding to the switchboard number to the media server; S20, MS receives the request After the media information and the extension number information of the switchboard automatic station are described, the pulse sound of the extension number is played to the switchboard automatic station. Thus, according to the method of the present invention, the extension of the switchboard extension can be automatically connected to the extension under the switchboard.

The following is a detailed description of an embodiment of a method for implementing one-way dialing of a switchboard extension by using the voice conference service system. As shown in FIG. 3, the following steps may be included:

S101. After receiving the request message for holding a voice conference sent by the UE, the Conf AS establishes a language. Audio conference call;

S102: If the Conf AS receives the request to add the switchboard extension user as the conference member, the device returns to the switchboard automatic station according to the switchboard number, and obtains the media information of the switchboard automatic station; for example, the number that receives the request for adding the member is the switchboard number and the extension number. The number formed, for example, 87735115, 7978, this format is separated by a comma, the comma is the extension number, and the comma is the extension number. The separator between the switchboard number and the extension number can have, for example, punctuation, spaces, or other non-numeric symbols to distinguish between the switchboard number and the extension number.

The foregoing media information is used for interworking between the UE and the MS at the media level, including: an encoding format of the media packet, a usage protocol, an IP address and a port number used for receiving and transmitting, and the like, and the sending and receiving of the media packet through the media information. The terminal can successfully send and receive media packets to achieve interoperability at the media level.

The specific signaling interaction process between the Conf AS and the switchboard automatic station is as shown in FIG. 4, which may include the following steps: Al, Conf AS first sends an invite message to the switchboard automatic station and carries the empty media, and the switchboard number is connected. The above-mentioned empty media is the relevant information that does not carry the media package. Generally, when the media information that the network element obtains is uncertain, the network element will use the empty media for media negotiation.

A2, the switchboard automatic station returns 183 response, carrying its own media information, the process is 183 precondition (precondition) process.

A3, Conf AS returns 183 Temporary Response Acknowledge (PRACK) to the switchboard automatic station.

A4, after the switchboard automatic station successfully receives the PRACK response message, it returns a 200 acknowledgement of PRACK to Conf AS. If the switchboard automatic station does not support the pre-processing negotiation process, it may not go through the A2-A4 step.

A5, the switchboard automatic station sends a 180 Ringing message. A6, Conf AS returns 180 PRACK response to the switchboard automatic station. A7, the switchboard auto station returns a 200 confirmation of PRACK to the Conf AS. A8, the switchboard auto attendant returns a 200 OK response to the Conf AS. A9, Conf AS returns a 200 OK confirmation ACK to the switchboard automatic station.

Further, S103, the Conf AS performs delay playback according to the time configured by the system. If the time configuration of the delay is 0, the delay playback is not performed, then the process proceeds to step S105; if the time configuration of the delay is not 0, When the pulse sound of the extension number is played back, the process proceeds to step S104.

S104, the Conf AS sets a delay timer. After the timer expires, the process goes to step S105. S105, Conf AS notifies the MS to play the pulse sound to the switchboard automatic station, and sends the media information of the switchboard automatic station and the pulse sound of the extension number to the MS.

The specific signaling interaction process between the Conf AS and the MS is as shown in FIG. 4, and may include the following steps:

Bl, the Conf AS sends an invite message to the MS and carries the media information of the switchboard automatic station. B2, MS returns to Conf AS lOOTrying indicates that the invite message is received and is being processed.

B3, the MS returns a 200 OK message to the Conf AS and carries its own media information, and returns to its own media information to complete the media negotiation.

B4, Conf AS sends an ACK to the MS to acknowledge receipt of the 200 OK response.

B5, Conf AS sends a message to the MS to add a message to the conference member to add a request. In this embodiment, the XML content can be carried as follows:

<?xml version- Ί .0" encoding="US-ASCM"?>

</stream>

</join>

</msml>

B6, the MS returns a 200 OK of info to the Conf AS, indicating that the info request has been successfully received.

B7, the Conf AS sends an info message of the playback request of the extension number pulse tone to the MS. In this embodiment, the XML content can be carried as follows:

<?xml version- Ί .0" encoding="US-ASCM"?>

<dialogstart

Target="conn: 10.1.44.415060+1 +f6de0002+70763ffc"

Type="application/moml+xml">

</send>

</dtmfgenexit>

</dtmfgen>

</dialogstart>

</msml> where dtmfgen digits is the content of the extension number, and app.dtmfgen—0—424 indicates that the playback mode is DTMF mode playback. The content of the extension number of the XML identifier is 3565. B8, the MS returns a 200 OK of the info to the Conf AS, indicating that the info response has been successfully received.

SI 06, MS receives the notification from Conf AS and plays the extension number DTMF pulse tone to the switchboard automatic station. As shown in FIG. 4, the specific signaling interaction process between the Conf AS and the MS may include the following steps:

B9, MS plays the extension number DTMF pulse tone to the switchboard automatic station, sends the info message of the playback response of the extension number pulse tone to Conf AS, and informs that the playback is successful, and can carry the XML content class 4 to: ^下下:

<?xml version- Ί .0" encoding="US-ASCM"?>

<name>dtmfgen.end</name>

<value>dtmfgen.complete</value>

</event>

</msml> The XML content indicates that the playback was successful.

B10, Conf AS returns 200 OK of info to MS, indicating that the info response has been successfully received.

S107, the switchboard automatic station automatically receives the extension number after receiving the MS broadcast extension number DTMF pulse tone. The signaling flow of the extension machine automatic extension station extension number is as shown in FIG. 3, which may include the following steps: C1, the switchboard automatic station initiates a request for automatically connecting the extension number; C2, after the extension number is connected, returns a response to the switchboard automatic station.

By using the method for realizing one-time dialing of the switchboard extension of the present invention, an extension that is automatically connected to the switchboard in the voice conference service can be realized, and the extension under the switchboard in the voice conference service is realized. Meeting members.

The embodiment also provides a voice conference service system, which includes: a voice conference service server, which is configured to: receive a request message accessed by a combination number of an automatic number of the switchboard and an extension number, and the switchboard corresponding to the switchboard number The media information and the extension number information of the automatic station are sent to the media server; and the media server is configured to: receive the media information and the extension number information of the switchboard automatic station, and play the pulse sound of the extension number to the switchboard automatic station. The voice conference service server is further configured to: obtain media information of the switchboard automatic station according to the switchboard automatic station number connected to the corresponding switchboard automatic station. The media server is further configured to: perform media negotiation, and then return a media negotiation response message to the voice conference service server; the voice conference service server is further configured to: after receiving the media negotiation response message, send a playback request of the extension number pulse tone to the media server. Message, carrying extension number information. The voice conference service server is a playback request message that is set to send an extension number pulse tone to the media server according to a delay time configured by the system. The media server is a pulse sound set to play an extension number to the switchboard automatic station in a dual tone multi-frequency manner. The media information of the switchboard automatic station includes: the encoding format, usage protocol, IP address and port number of the media package.

The embodiment further provides a voice conference service server, which includes: a receiving module, configured to: receive a request message accessed by a combination number of a switchboard automatic station number and an extension number; and a sending module, configured to: The media information and the extension number information of the corresponding switchboard automatic station are sent to the media server, so that the media server receives the media information of the switchboard automatic station. After the extension number information, the pulse sound of the extension number is played to the switchboard automatic station. The voice conference service server further includes: an information acquisition module, configured to: obtain the media information of the switchboard automatic station according to the switchboard automatic station number connected to the corresponding switchboard automatic station. The receiving module is further configured to: receive a media negotiation response message returned by the media server to the voice conference service server after the media negotiation; the sending module is further configured to: after receiving the media negotiation response message, send the playback of the extension number pulse sound to the media server Request message, carrying extension number information. The sending module is a playback request message set to send an extension number pulse sound to the media server according to the configured delay time. The media server is a pulse sound set to play the extension number to the switchboard automatic station in a dual tone multi-frequency manner.

The embodiment further provides a media server, comprising: a receiving module, configured to: after receiving the request message that the voice conference service server receives the combined number of the switchboard automatic number and the extension number, to the media server The media information and the extension number information of the switchboard main station corresponding to the sent switchboard number; and the play module, which is configured to: after receiving the media information and the extension number information of the switchboard automatic station, play the extension number to the switchboard automatic station Pulse sound. The media server further includes: a negotiation module, configured to: perform media negotiation; and a sending module, configured to: return a media negotiation response message to the voice conference service server; and the receiving module is further configured to: receive the voice conference service server and receive the media negotiation After the response message, the playback request message of the extension number pulse sound sent to the media server, the playback request message carries the extension number information. The playing module is a pulse sound set to play the extension number to the switchboard automatic station in a dual tone multi-frequency manner. The media information of the switchboard automatic station includes: the encoding format, usage protocol, IP address and port number of the media package.

One of ordinary skill in the art will appreciate that all or a portion of the above steps may be accomplished by a program instructing the associated hardware, such as a read-only memory, a magnetic disk, or an optical disk. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the above embodiment may be implemented in the form of hardware or in the form of a software function module. The invention is not limited to any specific form of combination of hardware and software.

The above is only the specific implementation of the present invention. Of course, the present invention may be embodied in various other various modifications and changes without departing from the spirit and scope of the invention. Changes and modifications are intended to be included within the scope of the appended claims.

Industrial Applicability The present invention can automatically connect to an extension under the switchboard in the voice conference service, and realize the extension of the extension machine in the voice conference service as a conference member, and realize the dial-up of the switchboard extension in the voice conference service.

Claims

Claim

A method for implementing dial-up of a switchboard extension, the method comprising: the voice conference service server receiving a request message accessed by a combination number of an automatic station number and an extension number of the switchboard, and transmitting the media information and the extension number information of the switchboard automatic station And the media server receives the media information and the extension number information of the switchboard automatic station, and plays the pulse sound of the extension number to the switchboard automatic station.

2. The method according to claim 1, wherein: after the step of the voice conference service server receiving the request message accessed by the combined number of the switchboard automatic station number and the extension number, the method further comprises: according to the switchboard automatic station The number is connected to the switchboard automatic station, and the media information of the switchboard automatic station is obtained.

3. The method according to claim 1, wherein: after the media server receives the media information of the switchboard automatic station, the method further comprises: the media server performing media negotiation, and then returning the media negotiation response to the voice conference service server. After receiving the media negotiation response message, the voice conference service server sends a playback request message of the extension number pulse tone to the media server, where the playback request message carries the extension number information.

4. The method according to claim 3, wherein: the step of the voice conference service server transmitting the playback request message of the extension number pulse tone to the media server comprises: the voice conference service server sending the extension to the media server according to the delay time configured by the system The sound request message of the number pulse sound.

The method according to any one of claims 1 to 4, wherein: the media server is to the switchboard In the step of playing the pulse sound of the extension number by the automatic station: the media server plays the pulse sound of the extension number to the switchboard automatic station in a dual tone multi-frequency manner.

The method according to any one of claims 1 to 4, wherein: the media information of the switchboard automatic station comprises: an encoding format of a media packet, a usage protocol, an IP address, and a port number.

A voice conference service system, comprising: a voice conference service server, configured to: receive a request message accessed by a combination number of a switchboard automatic station number and an extension number, and the switchboard number corresponding to the switchboard automatic station The media information and the extension number information are sent to the media server; and the media server is configured to: receive the media information and the extension number information of the switchboard automatic station, and play the pulse sound of the extension number to the switchboard automatic station.

8. The voice conference service system according to claim 7, wherein: the voice conference service server is further configured to: obtain media information of the switchboard automatic station according to the switchboard automatic station number connected to the corresponding switchboard automatic station .

The voice conference service system of claim 7, wherein: the media server is further configured to: perform media negotiation, and then return a media negotiation response message to the voice conference service server; the voice conference service server is further configured to: After receiving the media negotiation response message, the device sends a playback request message of the extension number pulse tone to the media server, where the playback request message carries the extension number information.

The voice conference service system according to any one of claims 7-9, wherein: the media server is configured to play an extension to the switchboard automatic station in a dual tone multi-frequency manner. The pulse sound of the number.

The voice conference service system according to any one of claims 7-9, wherein: the media information of the switchboard automatic station comprises: an encoding format, a usage protocol, an IP address, and a port number of the media packet.

12. A voice conference service server, comprising: a receiving module, configured to: receive a request message accessed by a combination number of a switchboard automatic station number and an extension number; and a sending module, configured to: corresponding to the switchboard number The media information and the extension number information of the switchboard automatic station are sent to the media server, so that after receiving the media information and the extension number information of the switchboard automatic station, the media server plays the pulse sound of the extension number to the switchboard automatic station.

The voice conference service server of claim 12, further comprising: an information acquisition module, configured to: obtain media information of the switchboard automatic station according to the switchboard automatic station number connected to the corresponding switchboard automatic station .

The voice conference service server according to claim 12, wherein: the receiving module is further configured to: receive a media negotiation response message returned by the media server to the voice conference service server after performing media negotiation; The method is configured to: after receiving the media negotiation response message, send a playback request message of the extension number pulse tone to the media server, and carry the extension number information.

15. The voice conference service server according to claim 14, wherein: the sending module is a sounding request message set to send an extension number pulse sound to the media server according to the configured delay time.