WO2009082977A1

WO2009082977A1 - Group telephone exchange call-out realizing method, service control device and group telephone exchange system

Info

Publication number: WO2009082977A1
Application number: PCT/CN2008/073802
Authority: WO
Inventors: Guihua Li
Original assignee: Huawei Technologies Co., Ltd.
Priority date: 2007-12-27
Filing date: 2008-12-27
Publication date: 2009-07-09
Also published as: CN101217607A

Abstract

A method for enabling call-out from a group telephone exchange, a service control device and a group telephone exchange system are used for enabling a mobile terminal extension within a group telephone exchange to call out by additional dialing of a call-out service ID. The method for enabling call-out from a group telephone exchange comprises the steps of: receiving a call of a mobile terminal extension from within the group telephone exchange to a terminal external to said group telephone exchange; determining whether the call comprises the call-out service ID; establishing connection between the mobile terminal extension and said external terminal according to the number of said external terminal.

Description

Method for the realization of group switchboard call, business control device and group switchboard system This application is submitted to the China Patent Office on December 27, 2007, and the application number is 200710125549.3. The invention name is "Group switchboard implementation method, business control device and group. The priority of the Chinese Patent Application for the "Total System" is incorporated herein by reference. Technical field

The embodiments of the present invention relate to the field of communications technologies, and in particular, to a group switchboard external call implementation method, a service control device, and a group switchboard system. Background technique

The group switchboard business provides the group with a switchboard number. When the group's users dial the group's switchboard number, they can use the voice process navigation to conduct business consultation, telephone inquiry, and telephone transfer.

Traditionally, the group switchboard business on the fixed telephone network is usually through the laying of dedicated lines.

The PBX (Private Branch Exchange) is accessed by the carrier switch. All users in the group will only announce one switchboard number. When the group users dial the users in the group, they will dial the group switchboard number first, and then dial the extension number of the users in the group according to the voice prompt. Within the group, each group user is assigned one. The extension number, the users in the group can dial each other's extension number.

At present, it is also possible to realize the group switchboard business by providing the group with an MSISDN (Mobile Station International ISDN Number) to assign an independent short number to each mobile terminal extension in the group. When the mobile terminal in the group makes an extension call, the MSC (Mobile Service Switching Center) / SSP (Service Switch Point) is reported to the SCP (Service Control Point), and the SCP performs the calling number. Analysis, then ask the MSC/SSP to connect to the called party. This approach saves group costs and enables more personalized services for the collective switchboard business. Summary of the invention

The embodiment of the invention provides a method for implementing the group switchboard outbound call, a service control device and a group switchboard system, so as to realize that the mobile terminal extension in the group switchboard calls to the group switchboard terminal by adding the sign of the outbound call service.

An embodiment of the present invention provides a method for implementing a group switchboard outbound call, including the following steps:

Receiving a call from the extension terminal of the mobile terminal in the group switchboard to the group foreign terminal; determining that the call includes an outbound service identifier;

Establishing a connection between the mobile terminal extension and the group switchboard terminal according to the number of the group switchboard terminal in the call.

The embodiment of the invention further provides a service control apparatus, including:

a call receiving unit, configured to receive a call of the mobile terminal extension in the group switchboard to the group switchboard terminal;

a service identifier determining unit, configured to determine that the call includes an identifier of the outbound call service, a processing unit, configured to establish, according to the determination result of the service identifier determining unit, according to the number of the group foreign terminal in the call, The connection between the mobile terminal extension and the group switchboard terminal.

The embodiment of the present invention further provides a group switchboard system, including: a service switching point and a service control point, where:

The service switching point is configured to receive a call of the mobile terminal extension in the group switchboard to the group switchboard terminal, and trigger the call to the service control point; receive an indication sent by the service control point, according to the call in the call The number of the group's main off-board terminal establishes the connection between the mobile terminal extension and the group's switchboard terminal.

And the service control point is configured to send, when the call includes the identifier of the outbound call service, a connection indication for establishing the mobile terminal extension and the group switchboard terminal to the service switching point.

Compared with the prior art, the embodiment of the invention has the following advantages: The embodiment of the present invention establishes the connection between the extension of the mobile terminal and the terminal of the group mainframe by determining the identity of the mobile terminal extension in the group switchboard to dial the call of the outbound call, and realizes the extension of the mobile terminal in the group switchboard. Add the outgoing call service identifier to make an outgoing call. DRAWINGS

1 is a schematic diagram of a group switchboard system according to an embodiment of the present invention;

2 is a schematic diagram showing the main structure of a switchboard SCP according to an embodiment of the present invention;

FIG. 3 is a schematic flowchart of a method for implementing a group switchboard in a GSM (Global System for Mobile) network according to an embodiment of the present invention. detailed description

1 is a schematic structural diagram of a group switchboard system according to an embodiment of the present invention, and the group switchboard system includes:

Group terminal mobile terminal extension 11, SSP12 and switchboard SCP13, where: Group terminal mobile terminal extension 11 is used to initiate a call to the group's switchboard terminal. The SSP 12 is configured to receive the call of the mobile terminal extension 11 in the group switchboard, and trigger the call to the switchboard SCP13. Specifically, after receiving the call of the mobile terminal extension 11 in the group switchboard, the SSP 12 according to the caller subscription information (0-CSI) The IDP (Initial Detection Point) message is sent to the switchboard SCP13 to trigger the group switchboard service. When the switchboard SCP13 is used to determine that the call includes an identity of the outbound call service, the SSP 12 is instructed to establish a connection between the mobile terminal extension 11 of the group switchboard and the group switchboard terminal. The SSP 12 is further configured to receive an indication sent by the switchboard SCP 13 to establish a connection between the mobile terminal extension 11 and the group switchboard terminal based on the number of the group switchboard terminal in the call.

The embodiment of the present invention is further described below with reference to FIG. 1. Referring to FIG. 2, the switchboard SCP13 further includes: a call receiving unit 131, a service identifier determining unit 132, and a processing unit 133, where:

The call receiving unit 131 is configured to receive a call of the mobile terminal extension 11 in the group switchboard; The specific call receiving unit 131 is configured to receive an IDP message sent by the SSP 12 according to the call of the mobile terminal extension 11 in the group switchboard. The service identity determining unit 132 is configured to determine that the call includes an outbound service identity. The processing unit 133 is configured to establish a connection between the mobile terminal extension 11 and the group switchboard terminal in the group switchboard according to the determination result of the service identifier determining unit 132 and according to the number of the group switchboard terminal in the call. In an actual application, the processing unit 133 may instruct the SSP 12 to establish a connection between the mobile terminal extension 11 in the group switchboard and the group switchboard terminal.

The switchboard SCP13 further includes a service customization determining unit 134, configured to determine that the group switchboard to which the mobile terminal extension 11 belongs within the group switchboard customizes the outbound call service; for example, the mobile terminal extension of the group switchboard can be determined by the outbound call service identifier included in the call. 11 The group switchboard to which it belongs has customized the outbound call service. The processing unit 133 determines the result of the determination by the service identification unit 132 and the service customization determining unit 134, and establishes the connection between the mobile terminal extension 11 in the group switchboard and the group terminal outside the terminal based on the number of the group switchboard terminal in the call. In a practical application, the processing unit 133 may instruct the SSP 12 to establish a connection between the mobile terminal extension 11 within the group switchboard and the group switchboard terminal.

The switchboard SCP 13 further includes a switchboard number transmitting unit 135 for transmitting the group switchboard number of the group switchboard to the group switchboard terminal. In this embodiment, the processing unit 132 may send a Connect message to the SSP 12, instructing the SSP 12 to establish a connection between the mobile terminal extension 11 and the group switchboard terminal; the switchboard number sending unit 135 may set the "Generic Numbers" parameter in the Connect message. The group switchboard number of the group switchboard is used to instruct the SSP12 to send the group switchboard number set in the "Generic Numbers" parameter as the calling number to the group switchboard terminal.

The switchboard SCP 13 further includes a billing unit 136 for billing the group switchboard number of the group switchboard based on the determination result of the service identifier determining unit 132. In this embodiment, the charging unit 136 may send an application charging (AC: Apply Charging) message to the SSP 12, and set the charging number as the group switchboard number of the group switchboard in the AC message, indicating that the SSP 12 is to the group switchboard. Group switchboard number billing.

The switchboard SCP 13 further includes a cell time storage unit 137 for storing a cell time limit table, where the cell time limit table includes a call time and a cell identity. Where the small A cell refers to a cell (Cell) covered by a mobile network to which a mobile terminal currently belongs, and a cell identifier refers to a cell ID (Cell ID) of a cell covered by a mobile network to which the mobile terminal currently belongs. The processing unit 133 is configured to determine, according to the determination result of the service identifier determining unit 132, that the call time of the mobile terminal extension 11 and the cell identifier are successfully matched in the cell time limit table in the cell time storage unit 137, according to the call. The number of the group's main off-board terminal establishes the connection between the mobile terminal extension 11 and the group's switchboard terminal.

In the embodiment of the present invention, the service identifier determining unit 132 in the switchboard SCP13 determines whether the call of the mobile terminal extension 11 in the group switchboard includes the outbound call service identifier, and the service customization determining unit 134 determines the group to which the mobile terminal extension 11 in the group switchboard belongs. Whether the switchboard customizes the outbound call service, whether it is determined whether the group switchboard activates the service called by dialing the outbound call service identity; when the mobile terminal extension 11 in the group switchboard dials the identity of the outbound call service to make a call, the processing unit 133 establishes The connection between the mobile terminal extension 11 of the group switchboard and the group's main off-machine terminal realizes the call of the mobile terminal extension 11 of the group switchboard to dial the outgoing call service, and sends the group caller number of the group switchboard through the switchboard number sending unit 135. To the group switchboard terminal, the group switchboard number can be displayed on the group switchboard terminal to unify the group's external image, and the call charge can be charged by the billing unit 136 to the group switchboard number of the group switchboard; through the cell time storage unit 137 Storage cell time limit Table, the mobile terminal may limit the extension 11 dial the telephone exchange within the group identified outbound call service time of the call and the cell belongs to Group flexible control to meet the cost of the call, reduce the cost of the group.

The technical solution provided by the embodiment of the present invention is better described below with reference to FIG. 3 is a schematic flow chart of a method for implementing a group switchboard in a GSM network according to an embodiment of the present invention. It is assumed that the group has opened a group mobile switchboard service, and the assigned group switchboard number is the number of the GSM network, and the caller is the mobile terminal extension of the group switchboard. 11. Called as the group's switchboard terminal, as shown in the figure, the method includes:

In step S302, the mobile terminal extension 11 in the group switchboard calls the group caller terminal outside the group. The mobile terminal extension 11 in the group switchboard can directly dial the number of the called terminal outside the group switchboard, or call the caller terminal of the group switchboard by dialing the identity of the outbound call service, such as the number of the called terminal outside the group switchboard. Add the prefix 9 to call the group switchboard External terminal.

Step S304, the call is triggered to the group switchboard SCP13. After the group's switchboard terminal extension terminal 11 calls the group's switchboard terminal, the SSP12 receives the call, and then sends an IDP message to the switchboard SCP13 according to the calling party subscription information (0-CSI), thereby triggering the group switchboard service.

Step S306: Identify whether the call includes an identifier of the outbound call service. After receiving the IDP message, the switchboard SCP13 sends a request to report the BCSM event (RRBE) message to the SSP12 to monitor the caller event, and identifies whether the called number dialed when the mobile terminal extension 11 in the group switchboard calls the group switchboard terminal includes The identifier of the call service (such as whether or not the prefix 9 is added), if yes, step S308 is performed, and if no, step S322 is performed.

Step S308, judging whether the group switchboard to which the mobile terminal extension 11 in the group switchboard belongs has customized the outbound call service. In this embodiment, the switchboard SCP13 can find, according to the number of the mobile terminal extension 11 in the group switchboard, whether or not the tag for the outbound call service is customized for the group switchboard, and if found, the group switchboard customizes the site. In the case of the outbound call service, step S310 is performed; if not, the group switchboard does not customize the outbound call service, and step S328 is performed.

The tag set for the group switchboard to customize the outbound call service may be stored in the switchboard SCP13 or in other network elements, such as the HLR (Home Location Register).

Step S310: Obtain a call time and a Cell ID (Cell Identification) of the call. The cell refers to a cell (Cell) covered by a mobile network to which the mobile terminal currently belongs, and the cell identifier refers to a cell ID (Cell ID) of a cell covered by the mobile network to which the mobile terminal currently belongs. When the switchboard SCP13 determines that the group switchboard has customized the outbound call service, the call time of the call and the Cell ID of the cell covered by the mobile network are obtained from the IDP message.

Step S312, acquiring a cell time limit table. The cell time limit table includes an outbound call time and a Cell ID, and is used to record the time and cell in which the mobile terminal extension 11 in the group switchboard can make a call by dialing the identity of the outbound call service, for example: The external call service was opened and the daily call service was opened.

Group switchboard number Cell ID

Period Time Monday to Friday 08: 00 - 18: 00 00860571001 Sunday to Saturday 09: 00 - 12: 00 00860571001

45896523254

Monday to Friday 08: 30 - 18: 30 00860571002

The cell time limit table may be stored in the switchboard SCP13, or may be stored in other network elements, such as the HLR.

Step S314, matching the call time of the call and the Cell ID in the cell time limit table. After the switchboard time and the cell ID of the call are obtained, the caller time and the cell ID of the call are matched in the cell time limit table, if the match is successful (the cell time in step S312) For example, if the mobile terminal extension in the group switchboard with the group switchboard number of 45,596,523,254 is called in the cell with the cell ID of 00860571001 on Tuesday at 10:30, the match is successful, then step S316 is performed; if the match fails ( The cell time limit table in step S312 is taken as an example. If the mobile terminal extension in the group whose group switchboard number is 45859523254 makes a call in the cell with the cell ID of 00860571002 on Tuesday at 08:00, the match fails. Then, step S328 is performed.

Step S316, charging the group switchboard number of the group switchboard. The switchboard SCP13 sends an AC message to the SSP 12 to instruct the SSP 12 to charge the group switchboard number of the group switchboard. In this embodiment, the switchboard SCP13 may specifically set the billing number as the group switchboard number of the group switchboard in the AC message, and after receiving the AC message, the SSP12 calculates the group switchboard number of the group switchboard according to the billing number in the AC message. fee.

Step S318, establishing a connection between the mobile terminal extension 11 in the group switchboard and the called terminal terminal of the group switchboard, and transmitting the group switchboard number of the group switchboard to the group switchboard outside the group. Call the terminal. In this embodiment, the switchboard SCP13 sends a Connect message to the SSP 12, instructing the SSP 12 to establish a connection between the mobile terminal extension 11 in the group switchboard and the called party outside the group switchboard, and setting the "Generic Numbers" parameter in the Connect message to the above. The group switchboard number of the group switchboard, after receiving the Connect message, the SSP12 sends the group switchboard number set in the "Generic Numbers" parameter to the caller terminal of the group switchboard as the calling number.

Step S320, after the call ends, the switchboard SCP13 generates a bill record. After the call between the mobile terminal extension 11 and the group switchboard terminal in the group switchboard ends, the SSP 12 sends an ACR (Apply Charging Report) message to the switchboard SCP 13, wherein the billing number is set to the group switchboard in the ACR message. Group switchboard number; After receiving the ACR message, the switchboard SCP13 modifies the balance of the group switchboard number in the database according to the ACR message and generates a bill record.

In step S322, the number of the mobile terminal extension 11 in the group switchboard is charged. The switchboard SCP 13 sends an AC (Apply Charging) message to the SSP 12 to instruct the SSP 12 to charge the group switchboard number of the group switchboard. In this embodiment, the switchboard SCP13 may specifically set the billing number to the number of the mobile terminal extension 11 in the group switchboard in the AC message. After receiving the AC message, the SSP12 pairs the mobile terminal in the group switchboard according to the billing number in the AC message. The number of the extension 11 is charged.

Step S324, establishing a connection between the mobile terminal extension 11 in the group switchboard and the group switchboard terminal, and transmitting the number of the mobile terminal extension 11 to the group switchboard terminal. In this embodiment, the switchboard SCP 13 sends a Connect (Connect) message to the SSP 12, instructing the SSP 12 to establish a connection between the mobile terminal extension 11 and the group switchboard terminal, and setting the "Generic Numbers" parameter in the Connect message to the number of the mobile terminal extension 11, After receiving the Connect message, the SSP12 sends the number of the mobile terminal extension 11 set in the "Generic Numbers" parameter as the calling number to the group switchboard terminal.

Step S326, after the call ends, the switchboard SCP13 generates a bill record. After the call between the mobile terminal extension 11 and the group switchboard terminal ends, the SSP 12 sends an ACR message to the switchboard SCP13, wherein the billing number is set to the number of the mobile terminal extension 11 in the ACR message; after the switchboard SCP13 receives the ACR message, Modify number based on ACR message According to the balance of the number of the mobile terminal extension 11 in the library, a bill record is generated.

Step S328, the switchboard SCP13 sends an RC (Release Call) message to the SSP12, instructing the SSP12 to release the call.

The switchboard SCP13 can also play a prompt tone to the mobile terminal extension 11 "Sorry, you can't make a call temporarily", and the tone can be stored in SSP12 or AIP (Advanced Intelligent Peripheral).

According to the embodiment of the present invention, if the group switchboard customizes the outbound call service, the group extension mobile terminal extension can realize the call of the outbound call service to perform the outbound call, thereby being able to offload the traffic of the fixed operator PBX. When the employees in the group need to make an external call due to work reasons, they can use the mobile terminal extension of the group switchboard to dial the identity of the outbound call service, and can display the group switchboard number of the group switchboard to unify the group's external image. The call charge can be The group pays according to the set payment method; When the employees in the group need to make an external call for personal reasons, they can use the mobile terminal extension of the group switchboard to dial the identity of the outbound call service, and the mobile terminal extension can be displayed externally. The number, the calling fee is paid by the mobile terminal extension user according to the set payment method, so that different call modes can be provided for the employees in the group to satisfy the personalized service. Further, the group can use the calling time period and the cell to limit the call of the mobile terminal extension to dial the outbound call service (such as prefixing the group's switchboard number) according to the needs of the group (when the outbound call is restricted) Voice-friendly reminders can be provided. For example, during the working hours and at work, the call can be made by dialing the identity of the outgoing call service. When the work time is not at work or not at work, the call cannot be made by dialing the identity of the outgoing call service. It can meet the group's flexible control of call costs and reduce group costs.

Through the description of the above embodiments, those skilled in the art can clearly understand that the present invention can be implemented by hardware or by means of software plus a necessary general hardware platform. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a USB flash drive, a mobile hard disk, etc.), including several The instructions are for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention. In conclusion, the above description is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

Rights request

A method for implementing a group switchboard outbound call, comprising the steps of: receiving a call of a mobile terminal extension in a group switchboard to a group switchboard terminal; determining that the call includes an outbound call service identifier;

2. The method according to claim 1, wherein the method further comprises the steps of:

Determining that the group switchboard to which the extension of the mobile terminal belongs customizes the outbound call service.

The method according to claim 2, wherein the determining that the group switchboard customizes the outbound call service specifically includes:

And identifying, according to the number of the extension of the mobile terminal in the call, a flag customized for the group switchboard to customize the outbound call service.

4. The method according to claim 1 or 2, wherein the method further comprises the steps of:

The group switchboard number of the group switchboard is sent to the group switchboard terminal.

The method according to claim 1 or 2, wherein the method further comprises the steps of:

Billing the group switchboard number of the group switchboard.

6. Method according to claim 1 or 2, characterized in that it:

The method further includes the steps of: acquiring a cell time limit table, where the cell time limit table includes an outbound time and a cell identifier;

The step of establishing a connection between the mobile terminal extension and the group switchboard terminal according to the number of the group switchboard terminal in the call includes: determining a call time of the call and a cell identifier in the cell time limit table When the matching is successful, the connection between the mobile terminal and the group switchboard terminal is established according to the number of the group switchboard terminal in the call.

A service control device, wherein the service control device comprises: a call receiving unit, configured to receive a call of the mobile terminal extension in the group switchboard to the group switchboard terminal;

The service control device according to claim 7, wherein the service control device further comprises a service customization determining unit, configured to determine that the group switchboard to which the extension of the mobile terminal belongs customizes the outbound call service;

The processing unit is configured to: establish, according to the determination result of the service identifier determining unit and the service customization determining unit, and establish the mobile terminal extension and the group switchboard according to the number of the group switchboard terminal in the call. Terminal connection.

The service control apparatus according to claim 7 or 8, wherein the service control apparatus further comprises a switchboard number transmitting unit for transmitting the group switchboard number of the group switchboard to the group switchboard terminal.

The service control device according to claim 7 or 8, wherein the service control device further comprises a charging unit, configured to: group the group switchboard according to the determination result of the service identifier determining unit The switchboard number is billed.

The service control apparatus according to claim 7 or 8, wherein: the service control apparatus further includes a cell time storage unit, configured to store a cell time limit table, where the cell time limit table includes a call time and a cell Identification

The processing unit is configured to determine, according to the determination result of the service identifier determining unit, that the call time of the call and the cell identifier are successfully matched in the cell time limit table in the cell time storage unit, according to the call. The number of the group's main off-board terminal establishes the connection between the mobile terminal extension and the group's switchboard terminal.

12. A group switchboard system, comprising: a service switching point and a service control point, wherein: the service switching point is configured to receive a call of a mobile terminal extension in a group switchboard to a group switchboard terminal, and trigger the call to Receiving, by the service control point, an indication sent by the service control point, according to the number of the group switchboard terminal in the call, establishing the The connection between the extension of the mobile terminal and the terminal of the group switchboard;