WO2012071908A1

WO2012071908A1 - Gateway device, system and method for docking trunk

Info

Publication number: WO2012071908A1
Application number: PCT/CN2011/078821
Authority: WO
Inventors: 王月菊
Original assignee: 中兴通讯股份有限公司
Priority date: 2010-11-30
Filing date: 2011-08-24
Publication date: 2012-06-07
Also published as: CN102480439A; CN102480439B

Abstract

Disclosed are a gateway device, a system and a method for docking a trunk. The method includes: the gateway device configuring a timeslot resource for the signalling with different standards of a docking device; according to the management information about the docking device, encoding an inter-exchange signalling received from a soft switch device into a standard signalling and transmitting the same to the corresponding docking device according to a specified timeslot; and the docking device receiving the signalling with corresponding standard from the gateway device at the specified timeslot according to the configuration information about the timeslot resource of the current device managed by the gateway device.

Description

Gateway device, system and method for realizing trunk line docking

Technical field

The present invention relates to a public switched telephone network (PSTN) and a gateway device of a Next Generation Network (NGN), and more particularly to a gateway device, system and method for implementing trunk line (TRUNK) docking.

Background technique

T1 and E1 are different physical connection interfaces in the digital network, respectively, and the link can use coaxial cable or fiber. T1 is the US standard with a bandwidth of 1.544Mbps; E1 is the European standard with a bandwidth of 2.048Mbps; China's dedicated line is generally El.

The voice digital signal transmitted in E1/T1 is pulse code modulation (PCM). For a single PCM, the system sample frequency is 8000HZ, and the sample interval is 128 s; the sample interval is divided into multiple time slots (TS, Time Slot) for time allocation. The sample interval of E1 is divided into 32 time slots, and the sample interval of T1 is divided into 24 time slots.

E1-T1's digital trunk line supports multiple standard channel-dependent signaling, and each signaling standard is not uniform. The R2 signaling standard is defined in the RITU-T standard Q.400-Q.490. Different countries and regions have their own signaling standard implementation methods, such as China's Nol signaling standard, Europe, Latin America and some developing countries such as Brazil, Argentina, etc. have R2 signaling standards; and, each country uses The equipment is not uniform, and there are also non-uniform standards.

Currently, the relay resources are managed in units of groups, that is, a group rate E1/T1 interface can only support one standard channel-dependent signaling. For some cases where there are multiple branches of international associated signaling, multiple E1 interfaces need to be occupied to meet the requirements, and the traffic carried by these international associated signaling is small, thus reducing the number of users of a single E1 interface. The amount, can not meet the need to support multiple routing standards in the case of limited relay resources to make full use of the relay resources.

Summary of the invention

The technical problem to be solved by the present invention is to provide a gateway device for implementing trunk line docking, The system and method are capable of supporting trunk line interconnection of multiple signaling standards by using limited relay resources. In order to solve the above technical problem, the present invention provides a system for implementing trunk line interconnection, including a softswitch device, a gateway device, and one or more docking devices, where:

The softswitch device is configured to: implement corresponding services by performing signaling interaction with the gateway device; the gateway device is configured to: configure time slot resources for different standard signaling; and forward the softswitch device to the interoffice message according to the managed docking device information. Encoding into standard signaling and transmitting to the corresponding docking device according to the specified time slot;

The docking device is configured to: receive corresponding standard signaling from the gateway device in the designated time slot according to the slot resource configuration information of the device managed by the gateway device.

The above system can also have the following characteristics:

The docking device is further configured to: send corresponding standard signaling to the gateway device in the designated time slot; the gateway device is further configured to: decode standard signaling received from the docking device in the designated time slot according to the docking device information, and decode the The outgoing service information is sent to the softswitch device.

The above system may also have the following features: The docking device information managed by the gateway device includes the identifier of the docking device, all signaling standards of the docking device, their corresponding slot numbers, and some or all of the assigned relay group sequence number information. Information

The docking device is further configured to: obtain the slot resource configuration information of the device by inputting the identifier of the device on the management interface of the device terminal, including all signaling standards of the device and their corresponding slot numbers, and are allocated. Part or all of the information in the relay group serial number information.

The above system may also have the following features: The gateway device includes a relay resource management module, a service control module, and a signaling codec module, which are sequentially connected, where:

The relay resource management module is configured to: configure time slot resources for different standard signaling, and manage the docking device information by adding, changing, and deleting operations; and transmit the managed docking device information to the signaling codec module;

The signaling codec module is configured to: decode the service information from the standard signaling of the docking device received through the trunk line according to the time slot specified by the slot number in the docking device information, and report the service information to the service according to the corresponding signaling standard. The control module; or the service information transmitted by the service control module is encoded into a corresponding standard signaling according to a corresponding signaling standard, and sent to the docking device through the trunk line; The service control module is configured to: send the service information reported by the signaling codec module to the softswitch device; or analyze the service information in the interoffice signaling forwarded by the softswitch device according to the corresponding signaling standard, and analyze the service information according to the Corresponding processing is performed, and the service information is downlinked to the signaling codec module.

The above system may also have the following features: The service control module is configured to: if it is off-hook information in the inter-office signaling, apply to occupy the relay resource to prepare call control and switch the call state according to the corresponding signaling standard, waiting Analyze the service information of the next interoffice signaling.

In order to solve the above technical problem, the present invention provides a gateway device for implementing trunk line interconnection, which includes a relay resource management module, a service control module, and a signaling codec module, which are sequentially connected, where:

The relay resource management module is configured to: configure time slot resources for different standard signaling, and manage the docking device information; and transmit the managed docking device information to the signaling codec module;

The signaling codec module is configured to: decode the standard signaling received from the docking device according to the corresponding signaling standard according to the time slot specified in the interface information, and report the decoded service information to the service control module;

The service control module is configured to: send the service information reported by the signaling codec module to the softswitch device.

The foregoing gateway device may also have the following features: The service control module is further configured to: analyze the service information in the inter-office signaling forwarded by the softswitch device according to the corresponding signaling standard, and perform corresponding processing according to the analyzed service information, and simultaneously The service information is downlinked to the signaling codec module;

The signaling codec module is further configured to: encode the service information transmitted by the service control module into a corresponding standard signaling according to a corresponding signaling standard in the interface device information, and send the information to the docking device according to the time slot specified in the interface information of the docking device. .

The gateway device may also have the following features: The docking device information managed by the relay resource management module includes an identifier of the docking device, all signaling standards of the docking device, a corresponding slot number, and the assigned relay group sequence number information. Part or all of the information; manage the docking device information through add, change, and delete operations; The signaling codec module is configured to: decode the standard signaling of the docking device received through the trunk line according to the time slot specified by the slot number in the docking device information, and decode the service information according to the corresponding signaling standard, and report the information Or the service control module; or the service information transmitted by the service control module is encoded into corresponding standard signaling according to the corresponding signaling standard, and sent to the docking device through the trunk line; the service control module is set to: if the board is analyzed In the inter-signaling, the off-hook information is used, and the application occupies the relay resource to prepare the call control and switches the call state according to the corresponding signaling standard, and waits to analyze the service information of the next inter-office signaling.

In order to solve the above technical problem, the present invention provides a method for implementing trunk line docking, which relates to a gateway device and one or more docking devices, and the method includes:

The gateway device configures time slot resources for signaling of different standards of the docking device information, and manages the docking device information;

The docking device sends corresponding standard signaling to the gateway device at a specified time slot according to the slot resource configuration information of the local device managed by the gateway device.

The gateway device decodes the standard signaling received from the docking device in the designated time slot according to the managed docking device information, and transmits the decoded service information to the softswitch device.

The above method may also have the following features: The method further includes:

The gateway device encodes the interoffice signaling received from the softswitch device into standard signaling according to the docking device information, and transmits the inter-office signaling to the corresponding docking device according to the specified time slot;

The docking device receives the corresponding standard signaling from the gateway device in the designated time slot according to the slot resource configuration information of the device.

The foregoing method may also have the following features: The interface device information managed by the gateway device includes an identifier of the docking device, all signaling standards of the docking device, a corresponding slot number, and a part of the assigned relay group sequence number information. Or all information;

The docking device obtains the slot resource configuration information of the device by inputting the identifier of the device on the management interface of the device terminal, including all signaling standards of the device and their corresponding slot numbers, and the assigned relay group. Some or all of the information in the serial number information. In order to solve the above technical problem, the present invention provides a method for implementing trunk line docking, which relates to a gateway device and one or more docking devices, and the method includes:

The docking device sends corresponding standard signaling to the gateway device according to the slot resource configuration information of the device managed by the gateway device in the specified time slot;

The foregoing method may also have the following features: The docking device information managed by the gateway device includes an identifier of the docking device, all signaling standards of the docking device, corresponding slot numbers, and part or all of the assigned relay group sequence number information. Information

The docking device obtains the slot resource configuration information of the device by inputting the identifier of the device on the management interface of the device terminal, including all signaling standards of the device and their corresponding slot numbers, and the assigned relay group. Some or all of the information in the serial number information.

The above-mentioned gateway device, system and method configure and manage different time slot resources for any standard channel-to-path signaling on the E1/T1 trunk line, and satisfy the networking requirement that one trunk line supports multiple standard channel-dependent signaling, thereby E1/T1 digital limited relay resources are fully and effectively utilized.

BRIEF abstract

1 is a schematic structural diagram of an embodiment and a system embodiment of a gateway device for implementing trunk line docking according to the present invention;

2 is a flow chart of an embodiment of a method for implementing trunk line docking in accordance with the present invention. Preferred embodiment of the invention

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the combination.

As shown in FIG. 1 , it is a structure of a system embodiment for implementing trunk line docking provided by the present invention, where the system includes a gateway device, one or more docking devices, and a softswitch device, where:

The softswitch device is configured to: implement the corresponding service by performing signaling interaction with the gateway device; the gateway device is configured to: configure the time slot resource according to different signaling standards, and forward the interoffice message to the softswitch device according to the managed docking device information. The coded into standard signaling, and transmitted to the corresponding docking device according to the specified time slot; or the corresponding standard signaling is decoded from the docking device through the configured time slot, and the decoded service information is sent to the softswitch device;

The docking device information managed by the gateway device includes an identification code of the docking device, all signaling standards of the docking device and their corresponding time slot numbers, and some or all of the assigned relay group numbers.

The docking device is configured to: send corresponding standard signaling to the gateway device on the designated time slot according to the management information acquired from the gateway device, or receive corresponding standard signaling from the gateway device;

The docking device obtains the slot resource configuration information configured by the gateway device to the device by inputting the identifier of the device on the management interface of the terminal, including all signaling standards of the device and their corresponding slot numbers and the assigned relay. Part or all of the information in the group number.

As can be seen from FIG. 1, the gateway device includes a relay resource management module, a service control module, and a signaling codec module that are sequentially connected, where:

The relay resource management module is configured to: configure time slot resources for different standard signaling, and manage all the docking device information by adding, changing, and deleting operations; and transmitting the managed docking device information to the signaling codec module;

The signaling codec module is configured to: decode the service information from the signaling of the docking device received through the trunk line according to the time slot specified in the interface information of the docking device, and report the service information to the service control. Module; or press the service information transmitted by the service control module as a docking device The signaling standard in the information is encoded into the corresponding signaling, and is sent to the docking device through the trunk line; the service control module is configured to: send the service information reported by the signaling codec module to the softswitch device; or press the corresponding signaling The standard analyzes the service information in the inter-office signaling forwarded by the softswitch device, and performs corresponding processing according to the analyzed service information, and simultaneously transmits the service information to the signaling codec module.

The service control module begins to control the call flow by transmitting the decoded service information to the softswitch device.

If the service control module analyzes the off-hook information in the inter-office signaling, the application occupies the relay resource to prepare the call control and switches the call state according to the corresponding signaling standard (including the idle state, the number state, the call state, and the call flow state). Waiting to analyze the service information of the next inter-office signaling (such as off-hook response information or information such as on-hook).

As shown in FIG. 2, it is a flow of an embodiment of a method for implementing a trunk line connection by a gateway device provided by the present invention, which includes the following steps:

Step 210: Configure time slot resources according to different signaling standards, and manage the docking device information. The managed docking device information includes an identifier of the docking device, all signaling standards of the docking device, and corresponding time slot numbers, and the assigned Part or all of the information in the relay group number.

Step 220: Receive inter-office signaling forwarded by the softswitch device according to the specified time slot, and perform corresponding processing according to the service information analyzed therefrom;

If the gateway device analyzes the off-hook information in the inter-office signaling, the application occupies the relay resource to prepare the call control and switches the call state according to the corresponding signaling standard (including the idle state, the number state, the call state, and the call flow state). Waiting to analyze the service information of the next inter-office signaling (such as off-hook response information or information such as on-hook).

Step 230: Encode the analyzed service information into standard signaling according to the managed docking device information, and send the information to the corresponding docking device through the trunk line according to the designated time slot.

The analyzed service information is encoded into a standard signal based on the corresponding signaling standard in the docking device information.

Step 240: Receive standard signaling corresponding to the docking device from the trunk line according to the specified time slot, and decode the information into the service information according to the docking device information, and send the information to the softswitch device. The docking device sends the corresponding standard signaling to the gateway device in the specified time slot according to the learned time slot resource configuration information; the gateway device decodes the received standard signaling according to the corresponding signaling standard in the docking device information.

The docking device obtains the slot resource configuration information configured by the gateway device to the device by inputting the identifier of the device, including all signaling standards of the device and their corresponding slot numbers, and part of the assigned relay group sequence number or All information.

The gateway device begins to control the call flow by transmitting the decoded service information to the softswitch device.

Step 240 in the foregoing method embodiment is to decode the received standard signaling into service information and send it to the softswitch device, or may perform the information analysis and encoding before receiving the inter-office signaling in steps 220 and 230. There is no sequential order requirement for signaling and decoding received signaling.

In summary, it can be seen that by configuring and managing different time slot resources on the E1/T1 trunk line for any standard channel-dependent signaling, the limited relay resources are insufficient to support multiple paths. The problem of signaling specifications makes full use of E1/T1 digital trunk resources.

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. Optionally, all or part of the steps of the foregoing embodiments may also be implemented by using one or more integrated circuits. Accordingly, each module/unit in the foregoing embodiment may be implemented in the form of hardware, or may use software functions. The form of the module is implemented. The invention is not limited to any specific form of combination of hardware and software.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to 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.

Industrial applicability

The foregoing implementation manner satisfies the networking requirement that a trunk line supports multiple standard channel-dependent signaling, thereby fully and effectively utilizing E1/T1 digital limited relay resources.

Claims

Claim

A system for implementing trunk line interconnection, comprising a softswitch device, a gateway device, and one or more docking devices, wherein:

The softswitch device is configured to: implement a corresponding service by performing signaling interaction with the gateway device;

The gateway device is configured to: configure time slot resources for different standard signaling; encode the interoffice signaling forwarded by the softswitch device into standard signaling according to the managed docking device information, and transmit the message to the specified time slot. Corresponding docking device;

The docking device is configured to: receive, according to the slot resource configuration information of the device managed by the gateway device, the corresponding standard signaling from the gateway device in a specified time slot.

2. The system according to claim 1, wherein

The docking device is further configured to send a corresponding standard signaling to the gateway device in a designated time slot;

The gateway device is further configured to: decode the standard signaling received from the docking device in a specified time slot according to the docking device information, and send the decoded service information to the softswitch device.

3. The system according to claim 1 or 2, wherein

The docking device information managed by the gateway device includes an identifier of the docking device, and part or all of the information of the pair;

The docking device is further configured to: obtain the slot resource configuration information of the device by inputting the identifier of the device on the management interface of the device terminal, including all signaling standards of the device.

4. The system according to claim 3, wherein the gateway device comprises a relay resource management module, a service control module, and a signaling codec module, which are sequentially connected, wherein:

The relay resource management module is configured to: configure time slot resources for different standard signaling, and manage the docking device information by adding, changing, and deleting operations; Information is transmitted to the signaling codec module;

The signaling codec module is configured to: decode a service from a standard signaling of a docking device received through a trunk line according to a corresponding signaling standard according to a time slot specified by the time slot number in the docking device information. The information is reported to the service control module; or the service information transmitted by the service control module is encoded into a corresponding standard signaling according to a corresponding signaling standard, and sent to the docking device through the trunk line;

The service control module is configured to: send the service information reported by the signaling codec module to the softswitch device; or analyze the service information in the interoffice signaling forwarded by the softswitch device according to a corresponding signaling standard, And performing corresponding processing according to the analyzed service information, and transmitting the service information to the signaling codec module.

5. The system according to claim 4, wherein

The service control module is configured to: if it is off-hook information in the inter-office signaling, apply for occupying a relay resource to prepare call control and switch the call state according to a corresponding signaling standard, and wait for analysis of the next inter-office letter Business information.

6. A gateway device for implementing trunk line interconnection, comprising a relay resource management module, a service control module, and a signaling codec module connected in sequence, wherein:

The relay resource management module is configured to: configure time slot resources for different standard signaling, and manage the docking device information; and transmit the managed docking device information to the signaling codec module; The decoding module is configured to: decode the standard signaling received from the docking device according to the corresponding signaling standard according to the time slot specified in the interface information, and report the decoded service information to the service control module. ;

7. The gateway device according to claim 6, wherein

The service control module is further configured to: analyze the service information in the inter-office signaling forwarded by the softswitch device according to the corresponding signaling standard, and perform corresponding processing according to the analyzed service information, and simultaneously transmit the service information Giving the signaling codec module;

The signaling codec module is further configured to: forward the service information transmitted by the service control module according to the The corresponding signaling standard in the interface information is encoded into the corresponding standard signaling, and is sent to the docking device according to the time slot specified in the interface information of the docking device.

8. The gateway device according to claim 7, wherein

The docking device information managed by the relay resource management module includes part or all of the information of the identification serial number of the docking device; and the docking device information is managed by adding, changing, and deleting operations;

The signaling codec module is configured to: decode, according to a time slot specified by the slot number in the docking device information, standard signaling of the docking device received through a trunk line according to a corresponding signaling standard The service information is sent out to the service control module; or the service information transmitted by the service control module is encoded into a corresponding standard signaling according to a corresponding signaling standard, and sent to the docking device through the trunk line;

A method for implementing trunk line docking, relating to a gateway device and one or more docking devices, the method comprising:

The gateway device configures time slot resources for different standard signaling of the docking device; encodes the interoffice signaling received from the softswitch device into standard signaling according to the managed docking device information, and transmits the corresponding time slot to the corresponding time slot according to the specified time slot. Docking device

The docking device receives the corresponding standard signaling from the gateway device in the designated time slot according to the slot resource configuration information of the device managed by the gateway device.

10. The method of claim 9 further comprising:

The docking device sends corresponding standard signaling to the gateway device in a specified time slot according to the slot resource configuration information of the local device;

The gateway device decodes the standard signaling received from the docking device in a specified time slot according to the docking device information, and sends the decoded service information to the softswitch device.

11. The method according to claim 9 or 10, wherein The docking device information managed by the gateway device includes an identifier of the docking device, and part or all of the information of the pair;

The method further includes: the docking device obtains the slot resource configuration information of the device by including the identifier of the device on the management interface of the device terminal, and includes all the information of the device. ' ' ; … One '

12. A method for implementing trunk line docking, involving a gateway device and one or more docking devices, the method comprising:

The gateway device configures time slot resources for signaling of different standards of the docking device information, and manages the device information of the docking device;

The docking device sends corresponding standard signaling to the gateway device in a specified time slot according to the slot resource configuration information of the device managed by the gateway device;

The gateway device decodes the standard signaling received from the docking device in a specified time slot according to the managed docking device information, and sends the decoded service information to the softswitch device.

13. The method of claim 11 further comprising:

The gateway device encodes the interoffice signaling received from the softswitch device into standard signaling according to the information of the docking device, and transmits the inter-office signaling to the corresponding docking device according to the specified time slot;

The docking device receives the corresponding standard signaling from the gateway device in the designated time slot according to the slot resource configuration information of the local device.

14. The method according to claim 12 or 13, wherein