CN101453752B

CN101453752B - Method, system and equipment for implementing service priority in communication network

Info

Publication number: CN101453752B
Application number: CN2008102205829A
Authority: CN
Inventors: 李勇
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2008-12-30
Filing date: 2008-12-30
Publication date: 2011-11-09
Anticipated expiration: 2028-12-30
Also published as: CN101453752A

Abstract

The embodiment of the invention provides a method for realizing service priority in a communication network, which comprises: judging whether or not a service is a priority service, and setting a number carrying service priority information for the service according to service priority identification rules is the service is judged to be a priority service, wherein the number is used for transmitting service priority information among local area networks of the communication network; transmitting the number carrying the service priority information to transmit the service priority information to a device between the local area networks of the communication network for processing the service and allow the devices to process the service according to the service priority information after the device identifies the service priority information according to the service identification rules. The embodiment of the invention also provides a system for realizing service priority, a device for setting service priority and a device for identifying service priority in the communication network. The method, the system and the devices use the number to transmit the service priority information among the local area networks of the communication network and ensure the processing of priority services.

Description

Method, system and equipment for realizing service priority in communication network

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a method and a system for implementing service priorities in a communications network, and a device for setting service priorities and a device for identifying service priorities.

Background

Mobile communication networks, including Global System for mobile communications (GSM), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA) CDMA2000(Code Division Multiple Access) networks, are widely used.

In application, network resources are limited, and if a large number of users call simultaneously or a large number of calls are directed to a fixed area, the problem of insufficient network resources is caused. For example, a major disaster occurs in a certain area, and a large number of calls are made to the area nationwide in a short time. A large number of calls can cause network congestion, making it difficult to reach the phone, where it is most desirable to ensure high priority calls, particularly to organize disaster-resistant communication services. To ensure that the high-priority call service is processed preferentially, it is necessary that the priority information of the call service can be transmitted in the core network, so that the network device on the call path can take necessary measures to ensure the connection for the priority call.

In the existing mobile communication core network, Multi-Level precedence and Pre-preemption service (MLPP) technology is adopted to transmit service priority information. The Mobile Services Switching Center (MSC) of the calling side transmits the priority to the relevant network device performing the service logic processing by adding the MLPP priority parameter in the ISUP message, thereby ensuring the realization of the priority service.

In a core network of Mobile communication, a Gateway Mobile Switching Center (GMSC) at a source side or a Visited Mobile Switching Center (VMSC) needs to obtain a Roaming Number (MSRN) or a handover Number through a VMSC at a destination side, and then, if a current service is a priority service or a user requesting the current service is a priority user, MLPP technology is used to transmit service priority information to a related network device that processes the current service, so as to preferentially ensure priority processing of the current service. The implementation of the MLPP technology requires that all relevant network devices performing service logic processing support the technology, but the MLPP technology is not widely implemented in a network at present, and priority information of services cannot be acquired under the condition that the network devices do not support the MLPP technology, so that the processing of priority services cannot be guaranteed under the abnormal conditions such as network congestion.

Disclosure of Invention

The embodiment of the invention provides a method and a system for realizing service priority in a communication network, equipment for setting the service priority and equipment for identifying the service priority. The method provides a mode for simply identifying the service priority information, so that equipment for processing the service between the communication network offices can identify the service priority information of the service, thereby ensuring the processing of the priority service.

The embodiment of the invention provides a method for realizing service priority in a communication network, which comprises the following steps:

it is determined whether the service is a priority service,

if so, setting a number carrying service priority information for the service according to a service priority identification rule, wherein the number is used for transmitting the service priority information between communication network offices;

sending the number carrying the service priority information so as to transmit the service priority information to equipment for processing the service between the communication network offices, so that the equipment processes the service according to the service priority information after identifying the service priority information according to the service priority identification rule;

wherein, the judging whether the service is a priority service, if yes, setting a number carrying service priority information for the service according to a service priority identification rule, and the method comprises the following steps:

the source side switching center equipment judges whether a requesting user of a calling service is a priority user, and when the requesting user of the calling service is the priority user, a specific prefix number carrying service priority information is added to a called number or a roaming number for the calling service according to a service priority identification rule; or

The source side switching center equipment judges whether a request user for switching the service is a priority user, and when the request user is judged to be the priority user, a specific prefix number carrying service priority information is added to a switching number for the switching service according to a service priority identification rule.

The embodiment of the invention also provides a system for realizing the service priority in the communication network, which comprises the following steps: a device for setting a service priority, and a device for recognizing the service priority, wherein:

the equipment for setting the service priority is used for judging whether the service is a priority service or not, and when the equipment for setting the service priority is judged to be the priority service, setting and sending a number carrying service priority information for the service according to a service priority identification rule, wherein the number is used for transmitting the service priority information among communication network offices;

the equipment for identifying the service priority is used for receiving the number carrying the service priority information, processing the service according to the service priority information after identifying the service priority information according to the service priority identification rule, and transmitting the number carrying the service priority information to the equipment for processing the service between the offices of the communication network;

wherein, the device for setting the service priority is a source side switching center device;

the judging whether the service is a priority service is to judge whether a request user of the call service is a priority user;

the setting and sending of the number carrying the service priority information for the service is to add a specific prefix number carrying the service priority information to a called number or a roaming number used for the call service, and send the called number or the roaming number having the specific prefix number.

The embodiment of the invention also provides a device for setting the service priority, which comprises:

the judging unit is used for judging whether the service is a priority service;

a service priority setting unit, configured to set and send a number carrying service priority information for the service according to a service priority identification rule when the determining unit determines that the service is the service, where the number is used to transmit the service priority information between communication network offices;

wherein, the judging whether the service is a priority service is to judge whether a request user of the call service is a priority user;

the setting and sending of the number carrying the service priority information for the service is to add a specific prefix number carrying the service priority information to a called number or a roaming number used for the call service, and send the called number or the roaming number having the prefix number.

The embodiment of the invention also provides a device for identifying the service priority, which comprises:

the identification unit is used for identifying whether the number of the received service carries service priority information or not according to a service priority identification rule, wherein the number is used for transmitting the service priority information among communication network offices;

the processing unit is used for processing the service according to the service priority information and sending the number when the identification unit identifies that the service is the current service;

the number comprises a specific prefix number carrying service priority information, which is added to a called number or a roaming number used for the calling service according to a service priority identification rule when a source side switching center device judges whether a requesting user of the calling service is a priority user or not; or the source side switching center equipment judges whether the request user for switching the service is a priority user, and when the request user for switching the service is the priority user, a specific prefix number carrying service priority information is added to the switching number for switching the service according to the service priority identification rule.

The embodiment of the invention uses the called number or the roaming number or the switching number used between the mobile communication network offices to carry the service priority information, so that the equipment for processing the calling service or the switching service between the communication network offices can identify the calling service or the switching service as the priority service through the number carrying the service priority information, thereby ensuring the processing of the priority service. The embodiment of the invention avoids the problem that the related network equipment for processing the service cannot acquire the service priority information of the service because the related network equipment does not support the MLPP technology, thereby being incapable of ensuring that the priority service is processed.

Drawings

Fig. 1 is a schematic structural diagram of a GSM network according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a system for implementing service priority in a communication network according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a device for setting service priority according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a device for identifying service priority according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a system for implementing service priority in a mobile communication network according to a second embodiment of the present invention;

fig. 6 is a schematic structural diagram of a system for implementing service priority in a communication network according to a third embodiment of the present invention;

fig. 7 is a schematic structural diagram of a system for implementing service priority in a communication network according to a fourth embodiment of the present invention;

fig. 8 is a schematic structural diagram of a system for implementing service priority in a mobile communication network according to a fifth embodiment of the present invention;

fig. 9 is a flowchart of a method for implementing service priority in a communication network according to a sixth embodiment of the present invention;

fig. 10 is a flowchart of a method for implementing service priority in a mobile communication network according to a seventh embodiment of the present invention;

fig. 11 is a flowchart of a method for implementing service priority in a mobile communication network according to an eighth embodiment of the present invention;

FIG. 12 is a schematic diagram of a call flow implementation implementing service priority in an embodiment of the present invention;

FIG. 13 is a schematic diagram of another call flow implementation for implementing service priority in an embodiment of the present invention;

fig. 14 is a schematic diagram of an implementation of a handover procedure for implementing service priority in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail below with reference to the accompanying drawings.

The embodiment of the invention transmits the service priority information among the offices of the existing communication network through the roaming number, the switching number or the called number so as to realize the priority processing of the priority service. The following description will be made taking a GSM network as an example. It should be noted that other networks are similar.

Fig. 1 is a schematic structural diagram of a GSM network according to an embodiment of the present invention. Call services for GSM networks typically include: calls between Mobile subscribers, calls between Mobile subscribers and Public Switched Telephone Network (PSTN) subscribers or other Public Land Mobile Network (PLMN) subscribers. Fig. 1 shows a service flow of a mobile call between core networks.

Whether a call is a priority call is typically dependent on whether the calling subscriber or the called subscriber is a priority subscriber. Generally, the VMSC may determine whether the calling subscriber or the called subscriber is a priority subscriber through some manner (e.g., querying subscription information of the subscriber), so as to determine whether the call is a priority call. In order to ensure successful connection of the priority call, the call priority information needs to be transferred to all network devices involved in call service processing on the call path, such as a relay Mobile Switching Center (TMSC) and a GMSC, so as to ensure connection of the priority call in case of network congestion or other abnormal conditions. The embodiment of the present invention is described in detail by taking an example that a call service or a handover service path passes through a TMSC, and it should be noted that the call service or the handover service path may be in other cases.

Fig. 2 is a system for implementing service priority in a communication network according to a first embodiment of the present invention. Referring to fig. 2, the system includes: a device 1 for setting service priority, and a device 2 for recognizing service priority. Wherein:

the equipment 1 for setting service priority is used for judging whether the service is a priority service, if so, a number carrying service priority information is set and sent for the service according to a service priority identification rule, and the number is a called number carrying the service priority information or a roaming number or a switching number used between mobile communication network offices and is used for transmitting the service priority information between the communication network offices.

In the embodiment of the invention, the service comprises a calling service or a switching service.

And the equipment 2 for identifying the service priority is used for receiving the number carrying the service priority information, processing the service according to the service priority information after identifying the service priority information according to the service priority identification rule, and transmitting the number carrying the service priority information to the equipment for processing the service between the offices of the communication network. And enabling the equipment for processing the service between the communication network offices to process the current service according to the service priority information.

Fig. 3 is a schematic structural diagram of a device for setting service priority according to an embodiment of the present invention. Referring to fig. 3, the apparatus 1 for setting service priority includes: a judging unit 12 and a traffic priority setting unit 14. Wherein,

a judging unit 12, configured to judge whether the service is a priority service.

In this embodiment, the determining unit 12 determines that the service is a priority service, including: and judging whether a request user or a target user of the service is a priority user, if so, the service is a priority service. The services include a call service and a handover service.

A service priority setting unit 14, configured to set and send a number carrying service priority information for the service according to a service priority identification rule when the determining unit 12 determines that the service is a yes, so as to transfer the service priority information to devices for processing the service between communication network offices, so that the devices process the service according to the service priority information.

In the embodiment of the present invention, when the service is a call service and the device 1 for setting the service priority is a source side switching center device, the determining unit 12 is configured to determine whether a requesting user of the call service is a priority user;

a service priority setting unit 14, configured to, when the determining unit 12 determines that the call number is the called number or the roaming number, add a specific prefix number carrying service priority information to the called number or the roaming number used for the call service according to a service priority identification rule, and send the called number or the roaming number having the specific prefix number.

In the embodiment of the present invention, when the service is a call service and the device 1 for setting the service priority is a destination-side switching center device, the determining unit 12 is configured to determine whether a destination user of the call service is a priority user;

and a service priority setting unit 14, configured to, when the determining unit 12 determines that the roaming number is the call number, set service priority information in the temporary allocation code of the roaming number for the call service according to the service priority identification rule, and send the roaming number carrying the service priority information.

It should be noted that, if the service is a call service, the destination user of the service refers to a called user of the call service, and the following is similar.

In the embodiment of the present invention, when the service is a handover service and the device 1 for setting the service priority is a source-side switching center device, the determining unit 12 is configured to determine whether a user requesting the handover service is a priority user;

a service priority setting unit 14, configured to, when the determining unit 12 determines that the switching number is the service priority identifier, add a prefix number carrying service priority information to the switching number used for the switching service according to the service priority identifier rule, and send the switching number with the prefix number.

In the embodiment of the present invention, when the service is a handover service and the device 1 for setting the service priority is a destination-side handover center device, the determining unit 12 is configured to determine whether a user requesting for switching the service is a priority user; and a service priority setting unit 14, configured to, when the determining unit 12 determines that the switching number is the service priority identifier, set service priority information in a temporary allocation code of the switching number for the switching service according to the service priority identifier rule, and send the switching number carrying the service priority information.

Optionally, in this embodiment of the present invention, the device 1 for setting service priority further includes a first identifying unit, configured to identify whether the received roaming number or handover number carries service priority information according to the service priority identification rule. At this time, the judging unit 12 is configured to judge whether the service is a priority service when the first identifying unit identifies no.

Optionally, the apparatus 1 for setting service priority further includes a storage unit, configured to store the service priority identification rule. The service priority identification rule comprises the following steps:

the number format of the roaming number or the switching number is country code CC + mobile service access code NDC + operator decision code LSP + temporary allocation code XXXX, and the temporary allocation code XXXX number section in the roaming number or the switching number sets service priority information; or

The prefix number of the roaming number, the switching number or the called number carries service priority information.

In the embodiment of the present invention, the device 1 for setting the service priority is a source-side switching center device or a destination-side switching center device. The method for judging the service as the priority service comprises one of the following steps:

the source side switching center equipment judges whether a calling service or a service switching request user is a priority user, if so, the service is a priority service;

the method for determining the service as the priority service by the destination side switching center equipment comprises the following steps:

the target side switching center equipment judges whether a request user for switching the service is a priority user, if so, the switching service is a priority service; or judging whether the request user of the call service is a priority user, if so, the call service is a priority service.

Fig. 4 is a schematic structural diagram of a device for identifying service priority according to an embodiment of the present invention. Referring to fig. 4, the apparatus 2 for identifying a service priority includes: an identification unit 22 and a processing unit 24. Wherein:

the identifying unit 22 is configured to identify whether a number of a received service carries service priority information according to a service priority identification rule, where the number is used to transmit the service priority information between the communication network offices.

And the processing unit 24 is configured to, when the identification unit 22 identifies that the number is the number, process the service according to the service priority information, and send the number carrying the service priority information. The method and the device facilitate the transmission of the priority information of the service to the equipment for processing the service between the communication network offices, so that the equipment for processing the service between the communication network offices processes the service according to the service priority information after identifying the service priority information according to the service priority identification rule.

In this embodiment, the number includes: called number, roaming number or handover number.

Optionally, the apparatus 2 for identifying service priority further comprises a storage unit for storing the service priority identification rule. The service priority identification rule comprises one or any combination of the following:

the number format of the roaming number or the switching number is country code CC + mobile service access code NDC + operator decision code LSP + temporary allocation code XXXX, and service priority information is set in the XXXXXX number section in the roaming number or the switching number;

the roaming number or the switching number adds a prefix number to carry service priority information.

In the embodiment of the invention, the service comprises a calling service and a switching service, and the system can process the service according to the service priority information in a single mobile communication network and can process the service according to the service priority information in different communication networks. This is further described below by way of example.

The method is used for processing the call service according to the service priority information in a single mobile communication network.

Fig. 5 is a schematic structural diagram of a system for implementing service priority in a mobile communication network according to a second embodiment of the present invention. Referring to fig. 5, the system includes: a source side VMSC or GMSC501, a TMSC502 and a destination side VMSC 500. In this embodiment, the device for setting the service priority is a destination-side switching center device in the third network, for processing a certain call service according to the service priority information, in this embodiment, the destination-side switching center device in the third network is a VMSC500 on the destination side, and the device for identifying the service priority is a device for processing the call service in the third network, in this embodiment, the device for processing the call service in the third network includes: a source side VMSC or GMSC501, a TMSC502, and a destination side VMSC 500. Each apparatus is described in detail below.

The destination-side VMSC500 is configured to determine whether a destination subscriber of the call service is a priority subscriber. And if so, setting and sending the roaming number carrying the service priority information according to the service priority identification rule so as to transfer the service priority information to equipment for processing the call service between mobile communication network offices. And when the judgment result is not yes, sending the common roaming number.

In this embodiment, when the VMSC500 of the destination side receives a Mobile Application Part (MAP) message requesting a roaming number, it determines whether the destination subscriber of the call service is a priority subscriber. If so, according to the service priority identification rule, a roaming number carrying service priority information is allocated and sent to the source side VMSC or GMSC 501. If not, the allocated ordinary roaming number is sent to the GMSC or VMSC501 on the source side.

The number format of the roaming number is country code CC + mobile service access code NDC + operator decision code LSP + temporary allocation code XXXX, and the service priority identification rule of this embodiment identifies the service priority by using the XXXX component in the above coding format. The service priority identification rule includes, but is not limited to, the following modes:

(1) the value or value range of a specific code bit and a specific code segment identifies the service priority information.

Alternatively, the XXXX component has a number with a particular prefix identifying the service priority, e.g. 1XXX or 10XX is identified as high priority, otherwise normal priority.

Optionally, the 2 nd number of the XXXX component identifies the service priority for a specific number, e.g. when the 2 nd number is 0, i.e. X0XX identifies a high priority, otherwise it is a normal priority.

Optionally, the 2 nd number of the XXXX component belongs to a specific number range to identify the service priority, for example, when the 2 nd number belongs to the range of 0 to 2, i.e., X0XX to X2XX are identified as high priority, and otherwise, the 2 nd number is a normal priority.

Optionally, the XXXX component belongs to a specific number range identifying a service priority, e.g., X100 to X199 are identified as high priority, otherwise as normal priority.

(2) A particular number bit parity identifies the traffic priority information.

Optionally, the 1 st digit of the XXXX component is odd and is identified as high priority and even is identified as normal priority.

After the GMSC or VMSC501 at the source side receives the roaming number sent by the destination side VMSC500, according to the service priority identification rule, it determines whether the roaming number carries service priority information, including:

a) when the GMSC or VMSC501 at the source side determines that the information carries the service priority, the call service is preferentially processed. The GMSC or VMSC501 on the source side continues to connect the current call and sends an Initial Address Message (IAM) Message to the TMSC, where the IAM Message includes a roaming number carrying service priority information with its temporary allocation code portion.

b) The GMSC or VMSC501 at the source side determines that the call service is not carrying service priority information and is a normal roaming number, further determines whether the requesting subscriber of the call service is a priority subscriber, and preferably processes the call service if the requesting subscriber of the call service is a priority subscriber. Specifically, it adds a specific prefix number carrying service priority information to the normal roaming number (for example, adds prefix number "999" before the normal roaming number) according to the service priority identification rule, continues to continue to connect the call, and sends an IAM message to TMSC 502. The IAM message contains roaming number carrying service priority information with prefix number.

In this embodiment, the GMSC or VMSC501 on the source side may determine whether the requesting subscriber of the call service is a priority subscriber according to the stored record. For example, the network facilitator provides priority service to the subscriber, and thus records the requesting subscriber for the call service as a priority subscriber in the device.

The TMSC502 receives the IAM message sent by the GMSC or VMSC501 on the source side. According to the service priority identification rule, the calling service is identified as a priority service by the service priority information, and then the calling service is processed preferentially. The TMSC502 continues the call and sends an IAM message to the VMSC500 on the destination side, where the IAM message includes a roaming number carrying the service priority information.

The VMSC500 on the destination side receives the IAM message sent by the TMSC 502. When the calling service is identified as the priority service by the service priority information according to the service priority identification rule, the calling service is processed preferentially.

Optionally, in the embodiment of the present invention, the device for setting the service priority may also be a source side switching center device in a third network, and is configured to determine whether a requesting user for calling a service is a priority user, and when the requesting user for calling the service is the priority user, add a specific prefix number carrying service priority information to a general call number used between offices of the third network, which is obtained from a destination side switching center device in the third network, according to a service priority identification rule; and

and the calling number is used for sending the calling number with the specific prefix number so as to transmit the service priority information to the equipment for processing the service between the third network offices, so that the equipment for processing the service between the third network offices processes the calling service according to the service priority information after identifying the service priority information according to a service priority identification rule.

And secondly, processing the call service according to the service priority information in different communication networks.

Fig. 6 is a schematic structural diagram of a system for implementing service priority in a communication network according to a third embodiment of the present invention. When the service is a call service, the system includes equipment in the first network and the second network for processing the call service.

In this embodiment, the device that sets the service priority is a source-side switching center device in the first network, and the device that identifies the service priority is a device that processes a call service in the first network and a device that processes a call service in the second network.

In this embodiment, the first network is a GSM network, and the second network is a PSTN network. An apparatus for processing call traffic in a first network, comprising: VMSC600, TMSC601 and GMSC 602; the apparatus for processing call traffic in the second network includes: PSTN gateway switching center equipment 603, PSTN trunk switching center equipment 604, and PSTN switching center equipment 605. In this embodiment, the VMSC600 is a source-side switching center device of the first network. When the MS calls a fixed telephone in the PSTN, wherein:

the VMSC600 is configured to, when determining that the requesting subscriber of the call service is a priority subscriber, add a specific prefix number carrying service priority information to the called number according to the service priority identification rule, and send the called number with the specific prefix number to the TMSC 601.

The TMSC601 is configured to receive the called number with the specific prefix number, process the call service according to the service priority information carried by the called number, and send the called number with the specific prefix number to the GMSC 602. The GMSC602 is configured to receive the called number with the specific prefix number, process the call service according to the service priority information carried by the called number, and send the called number with the specific prefix number to the PSTN gateway switching center device 603.

In this embodiment, the GMSC602 and the PSTN gateway switching center device 603 do not delete the prefix of the called number when transferring the call, so as to ensure that the call priority can be successfully transferred across networks.

The PSTN gateway switching center device 603 is configured to process the call service according to the service priority information carried by the called number, and send the called number with a specific prefix number to the PSTN trunk switching center device 604.

The PSTN trunk switching center device 604 is configured to process the call service according to the service priority information carried by the called number, and send the called number with a specific prefix number to the PSTN switching center device 605.

PSTN switching center equipment 605, configured to process the call service according to the service priority information carried by the called number.

Fig. 7 is a schematic structural diagram of a system for implementing service priority in a communication network according to a fourth embodiment of the present invention, where the system includes devices for processing services in a first network and a second network, and the embodiment takes the first network as a PSTN network and the second network as a GSM network as an example for description. Referring to fig. 7, an apparatus for processing call traffic in a first network includes: PSTN switching center equipment 700, PSTN trunk switching center equipment 701, and PSTN gateway switching center equipment 702; the devices in the second network that handle call services include GMSC703, TMSC704, and VMSC 705. In this embodiment, the VMSC705 is a destination-side switching center device in the second network.

In this embodiment, when a fixed telephone in the PSTN calls an MS in the GSM network, a source side switching center device in the first network is a PSTN switching center device 700, and is configured to determine whether a user requesting a call service is a priority user, and when the determination is yes, add a specific prefix number carrying first service priority information to a called number according to a service priority identification rule, and send the called number with the specific prefix number.

The device for processing the call service in the first network comprises a PSTN trunk switching center device 701 and a PSTN gateway switching center device 702, and is configured to receive the called number with the specific prefix number, process the call service according to the first service priority information, and transmit the called number with the specific prefix number.

In this embodiment, the PSTN trunk switching center device 701 processes the call service according to the first service priority information, and sends the called number with the specific prefix number to the PSTN gateway switching center device 702. The PSTN gateway switching center 702 processes the call service according to the first service priority information, and sends the called number with a specific prefix number to the GMSC 703.

GMSC703, configured to receive the called number with the specific prefix number, and apply for a roaming number used between the second network offices to VMSC705 according to the first service priority information;

a VMSC705, configured to determine whether a destination subscriber of the call service is a priority subscriber, and if so, set second service priority information for the roaming number used between the second network offices according to a service priority identification rule, and send the roaming number with the service priority information, and if not, allocate and send a common roaming number;

the GMSC703 is further configured to receive a roaming number, and identify whether the roaming number carries service priority information according to the service priority identification rule, where the identifying includes:

if yes, the second service priority information is transmitted to the TMSC704 for processing the call service between the second network offices, so that the TMSC704 processes the call service according to the second service priority information,

if not, adding a specific prefix number carrying the first service priority information to the common roaming number according to the first service priority information and a service priority identification rule, and sending the roaming number with the specific prefix number, so as to transfer the first service priority information to the TMSC704 for processing the call service between the second network offices, so that the TMSC704 processes the call service according to the first service priority information.

TMSC704 is configured to process the call service according to the first service priority information or the second service priority information carried in the roaming number, and send the roaming number carrying the first service priority information or the second service priority information to VSMC 705.

The VSMC705 is configured to process the call service according to the first service priority information or the second service priority information carried in the roaming number.

Optionally, another implementation manner of the embodiment of the present invention is:

after receiving the called number with the specific prefix number, the GMSC703 identifies the first service priority information carried by the called number according to the service priority identification rule, and then preferentially processes the call service, including sending a message for applying for a roaming number between second network offices. The GMSC703 receives the roaming number sent by the VMSC705, adds a specific prefix number carrying the first service priority information to the roaming number according to the first service priority information and the service priority identification rule, and then sends the roaming number with the specific prefix number, so as to transfer the first service priority information to the TMSC 704.

TMSC704 is configured to process the call service according to the first service priority information carried in the roaming number, and send the roaming number carrying the first service priority information to VSMC 705.

And the VSMC705 is configured to process the call service according to the first service priority information carried in the roaming number.

In the embodiment of the invention, the mode of processing the service according to the service priority information in different mobile communication networks is similar to the third embodiment, except that the called number is used for carrying the service priority information in the first network, and the roaming number is used for carrying the service priority information in the second network.

And thirdly, processing the switching service according to the service priority information in a single mobile communication network.

Fig. 8 is a schematic structural diagram of a system for implementing service priority in a mobile communication network according to a fifth embodiment of the present invention. Referring to fig. 8, the system includes: a source-side VMSC801, a TMSC802, and a destination-side VMSC 800. In this embodiment, the device for setting the service priority is a destination-side switching center device in the third network, where the destination-side switching center device in the third network is a VMSC800 on the destination side, and the device for identifying the service priority is a device for processing the switching service in the third network, where for the implementation of processing a certain switching service according to the service priority information, the device for processing the switching service in the third network includes: a source-side VMSC801, a TMSC802, and a destination-side VMSC 800. Each apparatus is described in detail below.

The VMSC800 at the destination side is configured to determine whether the requesting subscriber for switching the service is a priority subscriber. And if so, setting and sending a switching number carrying the service priority information to the VMSC801 at the source side according to the service priority identification rule so as to transmit the service priority information to the network equipment between mobile communication network offices for processing the switching service. If not, the ordinary switching number is transmitted to the source-side VMSC 801.

In this embodiment, when the VMSC800 on the destination side receives the MAP message requesting the switching number, it determines whether the requesting subscriber for switching the service is a priority subscriber. If so, distributing the switching number carrying the service priority information according to the service priority identification rule, and sending the switching number to the VMSC801 at the source side. If not, the distribution strip normal switching number is sent to the VMSC801 on the source side.

The prior art handoff number has the same code format as the roaming number. In the service priority identification rule of this embodiment, similarly, the service priority is identified by using the XXXX component in the handover number, and the way of identifying the service priority may refer to the way of identifying the service priority by the XXXX component in the roaming number, which is not described herein again.

The source-side VMSC801 receives the switching number transmitted from the destination-side VMSC 800. It judges whether the switching number carries service priority information according to the service priority identification rule, including:

a) when the VMSC801 at the source side determines that the service priority information is carried, the switching service is preferentially processed. The VMSC801 on the source side sends an IAM message to the TMSC802, where the IAM message includes a handover number carrying service priority information with its temporary allocation code portion.

b) The VMSC801 on the source side determines whether the requesting subscriber of the handover service is a priority subscriber when it is determined that the requesting subscriber does not carry the service priority information and is the normal handover number, and preferably processes the handover service when it is determined that the requesting subscriber of the handover service is the priority subscriber. Specifically, according to the service priority identification rule, a specific prefix number carrying service priority information is added to the normal handover number (for example, a prefix number "999" is added before the handover number), the handover service is continued, and an IAM message is sent to the TMSC 802. The IAM message contains a switching number carrying service priority information by using a prefix number.

In this embodiment, the VMSC801 on the source side determines that the requesting subscriber of the switching service is a priority subscriber, or the manner in which the switching service is a priority service is similar to that in the second embodiment of the present invention.

The TMSC802 receives the IAM message sent by the VMSC801 on the source side. According to the service priority identification rule, the switching service is identified as the priority service by the service priority information, and then the switching service is processed preferentially. The TMSC802 switches and sends an IAM message to the VMSC800 on the destination side, where the IAM message includes a roaming number carrying the service priority information.

The VMSC800 on the destination side receives the IAM message sent by the TMSC 802. When the switching service is identified as the priority service by the service priority information according to the service priority identification rule, the switching service is processed preferentially.

Optionally, in this embodiment of the present invention, the device for setting the service priority may also be a source side switching center device in a third network, and is configured to determine whether a requesting user for switching a service is a priority user, and when the requesting user is the priority user, add a specific prefix number carrying service priority information to a common switching number used between offices of the third network, which is obtained from a destination side switching center device in the third network, according to a service priority identification rule; and

and the switching number is used for sending the switching number with the specific prefix number so as to transmit the service priority information to the equipment for processing the service between the third network offices, so that the equipment for processing the service between the third network offices processes the switching service according to the service priority information after identifying the service priority information according to a service priority identification rule.

Finally, optionally, the system of the embodiment of the present invention further includes: the NMS may preset a service priority identification rule for all network devices that process a certain service between the communication network offices, so that the devices that process the service between the communication network offices set or identify service priority information according to the service priority identification rule.

Optionally, the device of the system in the embodiment of the present invention is further configured to record priority information of the service during service provision, so as to perform priority processing on the service according to the recorded service priority information.

Fig. 9 is a flowchart of a method for implementing service priority in a communication network according to a sixth embodiment of the present invention. Referring to fig. 9, the method includes the steps of:

step S901 determines whether the service is a priority service. If yes, step S902 is executed. If not, step S904 is executed.

In the embodiment of the present invention, the service includes a call service and a handover service, and the device that determines that the service is a priority service may be a source-side switching center device or a destination-side switching device. The method for judging whether the service is a priority service includes:

the source side switching center equipment judges whether a requesting user of the call service is a priority user;

the destination side switching center equipment judges whether a destination user of the call service is a priority user;

the source side switching center equipment judges whether a request user for switching the service is a priority user;

the destination side switching center equipment judges whether the request user for switching the service is a priority user.

Step S902, according to the service priority identification rule, setting a number carrying service priority information for the service, wherein the number is used for transmitting the service priority information between the communication network offices.

Step S903, sending the number carrying the service priority information, so as to transmit the service priority information to the equipment for processing the service between the communication network offices, and processing the service according to the service priority information after the equipment identifies the service priority information according to the service priority identification rule.

Step S904, as per the existing normal processing.

The method of the embodiment of the invention can realize the processing of the service according to the service priority information in a single mobile communication network and also can realize the processing of the service according to the service priority information in different communication networks. This is further described below by way of example.

Fig. 10 is a flowchart of a method for implementing service priority in a mobile communication network according to a seventh embodiment of the present invention. The present embodiment describes a method for implementing service priority in a mobile communication network through a roaming number used between offices of the mobile communication network when a mobile terminal calls the mobile terminal. Referring to fig. 10, the method includes the steps of:

step S1001, the VMSC on the destination side determines whether the destination subscriber of the call service is a priority subscriber. When the determination is yes, step S1002 is executed. When the determination is no, step S1003 is executed.

Step S1002, according to the service priority identification rule, setting service priority information for the roaming number used between mobile communication network offices, and sending the roaming number.

In this embodiment, the number format of the roaming number is country code CC + mobile service access code NDC + operator decision code LSP + temporary allocation code XXXX, and service priority information is identified by the XXXX number. The mode of identifying service priority by XXXX may refer to the mode of identifying service priority by XXXX in the system in the embodiment of the present invention, and details are not described here.

Step S1003, transmitting a general roaming number used between mobile communication network offices.

Step S1004, the VMSC at the source side determines whether the received roaming number carries the service priority information according to the service priority identification rule. If yes, step S1005 is executed. If no, step S1006 is executed.

Step S1005, the VMSC on the source side processes the service according to the service priority information, and sends the roaming number with the service priority information, so as to transfer the service priority information to the device between the communication network offices for processing the service, so that the devices process the current service according to the service priority information.

In step S1006, the source-side VMSC determines whether the service-requesting subscriber is a priority subscriber, and if so, executes step S1007, and if not, executes step S1008.

In this embodiment, the VMSC on the source side determines whether the requesting subscriber of the service is a priority subscriber in the same manner as in the system according to the embodiment of the present invention, which is not described herein again.

Step S1007, the VMSC at the source side adds a specific prefix number carrying service priority information to the general roaming number according to the service priority identification rule, and sends the roaming number, so as to transfer the service priority information to the device between mobile communication network offices for processing the service, so that the devices process the service according to the service priority information.

In step S1008, the VMSC on the source side performs existing normal processing on the service.

Optionally, in the embodiment of the present invention, when the network management system learns a request of a certain service, the network management system may send the service priority identification rule to all devices in the communication network that process the service; or configuring service priority identification rules for all devices processing a certain service between the communication network offices in advance.

In this embodiment, the service priority identification rule includes: identifying the service priority by using a specific number segment of a roaming number or a switching number; or adding a special prefix number before a roaming number or a switching number to identify the service priority. The method for identifying the rule by the service priority specifically refers to the description of the system part in the embodiment of the present invention, and is not described herein again.

Optionally, the method of the embodiment of the present invention further includes: and recording the priority information of the service during service provision so as to perform priority processing on the service according to the recorded service priority information.

In the embodiment of the present invention, when the service is a handover service, the VMSC on the destination side determines whether a requesting subscriber for switching the service is a priority subscriber, and if so, sets service priority information in the temporary allocation code of the handover number, sends the handover number to the VMSC on the source side, and if not, sends the VMSC on the normal handover source side.

Fig. 11 is a flowchart of a method for implementing service priority in a mobile communication network according to an eighth embodiment of the present invention. This embodiment describes the implementation of processing services according to service priority information in different communication networks. Referring to fig. 11, the method includes the steps of:

s1101, a source side switching center device in a first network judges whether a user requesting a call service is a priority user, and when the judgment is yes, a specific prefix number carrying service priority information is added to a called number according to a service priority identification rule.

S1102, the source side switching center device in the first network sends the called number with the specific prefix number, so as to transmit the service priority information to the device for processing the call service between the offices in the communication network, so that the devices process the call service according to the service priority information.

In this embodiment, the device for processing the call service between the offices in the communication network includes a device for processing the call service in the first network and a device for processing the call service in the second network.

Optionally, an implementation manner of this embodiment is:

after receiving the called number with the specific prefix number, the equipment for processing the call service in the first network processes the call service according to the first service priority information and transmits the called number with the specific prefix number;

after receiving the called number with a specific prefix number, gateway switching center equipment in a second network requests a roaming number used between second network offices from destination side switching center equipment in the second network according to the first service priority information;

the destination side switching center equipment in the second network judges whether the destination user of the call service is a priority user, and when the destination user of the call service is judged to be a priority user, second service priority information is set for the roaming number used between the second network offices according to a service priority identification rule;

and the destination side switching center equipment in the second network sends the roaming number provided with the second service priority information so as to transmit the second service priority information to the equipment for processing the call service between the second network offices, so that the equipment processes the call service according to the second service priority information.

Optionally, in this embodiment of the present invention, when the destination-side switching center device in the second network determines that the destination user of the call service is not a priority user, a common roaming number is allocated and sent;

after the gateway switching center equipment in the second network receives the common roaming number and recognizes that the common roaming number does not carry second service priority information, adding a specific prefix number carrying the first service priority information to the common roaming number according to the first service priority information and a service priority identification rule;

and the gateway switching center equipment in the second network sends the roaming number with the specific prefix number so as to transmit the first service priority information to the equipment for processing the call service between the second network offices, so that the equipment for processing the call service between the second network offices processes the call service according to the first service priority information.

Optionally, another embodiment of this embodiment is:

after receiving the called number with the specific prefix number, the gateway switching center equipment in the second network requests a roaming number used between the second network offices from the destination side switching center equipment in the second network according to the first service priority information;

the gateway switching center equipment in the second network receives a common roaming number which is distributed and sent by a destination side switching center equipment in the second network, and adds a specific prefix number carrying the first service priority information to the common roaming number according to the first service priority information and a service priority identification rule;

The mode of the service priority identification rule in this embodiment specifically refers to the description of the system part in this embodiment of the present invention, and is not described herein again.

The following further illustrates embodiments of the present invention by way of specific examples.

Fig. 12 is a schematic diagram of a call flow implementation for implementing service priority in an embodiment of the present invention. Referring to fig. 12, in the present embodiment, a PSTN UE calls an MS1 as an example, and a core network uses an ISUP (ISDN User part) as an example, where a signaling message of the ISUP includes an IAM. Other signaling protocols, such as Session Initiation Protocol (SIP), are also similar. The place labeled "control point" in the figure represents the location where the call traffic is prioritized.

Assume that the mobile roaming number MSRN specific number bit is "9" identifying priority call traffic or the MSRN number is preceded by a prefix "999" identifying priority call traffic, such as a CC + NDC + LSP +9XXX or 999+ MSRN number. And issuing the service priority identification rule to VMSC-A, TMSC and GMSC through configuration. In this embodiment, one control point corresponds to one step, which includes the following steps:

step S1201, when VMSC-A receives the MSRN fetching message sent by Home Location Register (HLR), VMSC-A judges whether MS1 is the priority user. When the judgment is yes, the VMSC-A allocates the MSRN which identifies the service priority information by 9 XXX. And when the judgment result is not yes, allocating the normal MSRN.

In this embodiment, when the GMSC receives the call request, it sends a message of routing information to the HLR. When HLR receives the message of getting route information, it sends the message of getting MSRN to VMSC-A. VMSC-A sends the message of getting MSRN response to HLR. And when the HLR receives the message for taking the MSRN response, the HLR sends the message for taking the routing response to the GMSC. Wherein, the message of the routing response comprises MSRN distributed by VMSC-A.

Step S1202, GMSC analyzes whether the received MSRN number carries the service priority information according to the service priority identification rule.

When the analysis is yes, the GMSC prioritizes the call.

In this embodiment, the priority processing of the call may be that the GMSC continues to connect the call, and sends an IAM message to the TMSC, where the IAM message includes an MSRN that uses a temporary allocation code to carry service priority information.

When the analysis is no, but the GMSC judges the request user (PSTN UE) of the call as a priority user according to the stored priority user record, the call is processed preferentially.

In this embodiment, the priority processing of the call may be: adding prefix 999 in front of the received MSRN, continuing to continue to connect the current call, and sending IAM message to TMSC, wherein the IAM message contains MSRN carrying service priority information by prefix number.

When the analysis is not yes and the PSTN UE is known to be a common user, the call is processed according to the existing common call.

Step S1203, the TMSC receives the IAM sent by the GMSC, and analyzes whether the MSRN carried by the IAM carries service priority information according to the service priority identification rule. And if the analysis is yes, continuing to connect the call and sending an IAM message to the VMSC-A, wherein the IAM message contains the MSRN carrying the service priority information.

Step S1204, VMSC-A receives IAM that TMSC sends, whether MSRN that IAM carries service priority information according to the service priority identification rule. When the analysis is yes, continuing to continue the call.

It should be noted that, in this embodiment, the connection processing mode of the network device performing service processing on the priority call may be implemented by using reserved resources or a mode of occupying resources of a normal call.

Fig. 13 is a schematic diagram of another call flow implementation for implementing service priority in the embodiment of the present invention. Referring to fig. 13, the call of the present embodiment is exemplified by the MS1 calling a PSTN UE, and the place labeled "control point" in the figure represents a location where priority control is performed on call traffic.

Assume that the called number is preceded by a prefix of "999" to identify a priority call service, such as 999+ MSRN. And issuing the service priority identification rule to VMSC-A, TMSC and GMSC through configuration. In this embodiment, one control point corresponds to one step, which includes the following steps:

step 1301, the VMSC-A receives the SETUP message carrying the called number, and the VMSC-A judges whether the MS1 is the priority user. When the judgment is yes, the call is processed preferentially.

In this embodiment, the priority processing of the call may be: prefix 999 is added before the called number, then the call is continued, and IAM information is sent to TMSC, the IAM information includes the called number with priority information.

Step 1302, the TMSC receives the IAM sent by the VMSC-a, and analyzes whether the called number carried by the IAM carries service priority information according to the service priority identification rule. And if the analysis is yes, continuing to connect the call, and sending an IAM message to the TMSC, wherein the IAM message contains a called number carrying priority information.

Step 1303, the GMSC receives the IAM sent from the TMSC, and analyzes whether the called number carried by the IAM carries service priority information according to the service priority identification rule. If the analysis is yes, the call continues.

Fig. 14 is a schematic diagram of an implementation of a handover procedure for implementing service priority in the embodiment of the present invention. Referring to fig. 14, the present embodiment takes as an example that the MS switches from VMSC-a to VMSC-B, where the place labeled "control point" in the figure represents the location where priority control is performed on the switch.

Assuming that the handover number specific number bit is "9" identifies a priority handover service, or the prefix number of the handover number is "999" identifies a priority handover service, such as CC + NDC + LSP +9XXX or 999+ "handover number". And issuing the service priority rule to the VMSC-A, TMSC and VMSC-B through configuration. In this embodiment, one control point corresponds to one step, which includes the following steps:

step 1401, VMSC-B receives the prepare handover request message, and VMSC-B determines whether MS is a priority user. If so, the VMSC-A assigns a handoff number identifying the service priority information with 9 XXX. If not, a normal handover number is assigned.

Step 1402, the VMSC-a analyzes whether the received switching number carries the service priority information according to the service priority identification rule.

And when the analysis is yes, the switching service is processed preferentially.

In this embodiment, the priority processing of the handover service may be: the GMSC continues to continue the current switching and sends an IAM message to the TMSC, wherein the IAM message contains a switching number which uses the temporary allocation code to carry the service priority information.

When the analysis is not yes, and the VMSC-A judges whether the MS is a priority user, if so, the switching service is processed preferentially.

In this embodiment, the priority processing of the current handover service may be: adding prefix 999 before the received common switching number, continuing to connect the switching service, and sending IAM message to TMSC, where the IAM message contains the switching number carrying service priority information with the prefix number.

And when the analysis is negative and the request user of the switching service is judged to be a common user, processing the switching service according to the existing common switching.

Step 1403, the TMSC receives the IAM sent by the VMSC-a, and analyzes whether the handover number carried by the IAM carries service priority information according to the service priority identification rule. If yes, continuing to continue the switching service and sending IAM message to VMSC-B, wherein the IAM message contains switching number carrying priority information.

Step 1404, the VMSC-B receives the IAM sent from the TMSC, and analyzes whether the handover number carried by the IAM carries the service priority information according to the service priority identification rule. And continuing to continue the switching service when the analysis is yes.

It should be noted that, in the embodiment of the present invention, the manner of preferentially processing the service includes, but is not limited to, continuing to continue the service, and may also be another manner of preferentially processing the service with the same current priority (for example, processing the services with the same current priority in parallel), so as to ensure that the service with the high priority is implemented. Especially, in the case that the current network resources are not enough due to network abnormality, it is more necessary to implement the high-priority service as soon as possible.

The embodiment of the invention transmits the service priority information by using the roaming number, the switching number or the called number between the communication network offices, so that equipment for processing a certain service between the communication network offices can identify the service as a priority service through the number carrying the service priority information, thereby ensuring the processing of the priority service. Moreover, the problem that the relevant network equipment for processing the service cannot acquire the service priority information of the service because the MLPP technology is not supported, so that the optimal service processing cannot be ensured is also solved. Further, in the embodiment of the present invention, the VMSC on the destination side adds a step of determining whether the service requesting subscriber or the destination subscriber is a priority subscriber, and when the service requesting subscriber or the destination subscriber is a priority subscriber, preferentially allocates the roaming number or the handover number. Under the condition of limited network resources, the condition that the VMSC at the destination side fails to allocate the roaming number to cause the failure of the call service or fails to allocate the switching number to cause the failure of the switching can be avoided, and the processing of the priority service is better ensured.

In the embodiment of the present invention, the implementation of the service priority only describes two types, namely, the priority service and the normal service, but the service priority includes, but is not limited to, the two types. Service priority identification rules containing multiple priority levels, such as highest priority, second highest priority, and normal priority, may be defined. The network device can identify different service priorities according to the service priority identification rule, or identify the level of the current priority service according to the service priority identification rule, thereby realizing the priority processing of the service with the highest priority and the second highest priority.

Alternatively, through the above description of the embodiments, those skilled in the art may clearly understand that each embodiment may be implemented by software plus a necessary general hardware platform, and may also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.

While there has been described what are believed to be the preferred embodiments of the present invention, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the principles of the invention, and it is intended to cover all such changes and modifications as fall within the true scope of the invention.

Claims

1. A method of implementing service priority in a communication network, comprising:

judging whether the service is a priority service;

2. The method of claim 1, wherein the determining whether the service is a priority service, and if so, setting a number carrying service priority information for the service according to a service priority identification rule, comprises:

the destination side exchange center equipment judges whether the destination user of the call service is a priority user, and when the destination user of the call service is the priority user, service priority information is set in a temporary distribution code of a roaming number for the call service according to a service priority identification rule; or

The destination side switching center equipment judges whether the request user for switching the service is a priority user, and if so, sets service priority information in a temporary distribution code of a switching number for switching the service according to a service priority identification rule.

3. The method of claim 1, wherein before the step of determining whether the service is a priority service, the method further comprises:

a service priority identification rule is preset for equipment for processing services between offices of a communication network.

4. The method according to one of claims 1 to 3, wherein the traffic priority identification rule comprises one or any combination of the following:

temporary allocation codes in the roaming number or the switching number carry service priority information;

5. A system for implementing service priority in a communication network, comprising: a device for setting a service priority and a device for identifying a service priority, characterized in that:

the equipment for setting the service priority is used for judging whether the service is a priority service or not, and when the equipment for setting the service priority is judged to be the priority service, a number carrying service priority information is set and sent for the service according to a service priority identification rule, and the number is used for transmitting the service priority information among communication network offices;

6. The system of claim 5, wherein:

the equipment for setting the service priority is the destination side switching center equipment;

the judging whether the service is a priority service is to judge whether a target user of the call service is a priority user;

the setting and sending of the number carrying the service priority information for the service is to set the service priority information in a temporary allocation code of a roaming number for the call service and send the roaming number carrying the service priority information.

7. The system of claim 5, wherein:

the device for setting the service priority is a source side switching center device;

the step of judging whether the service is a priority service is to judge whether a request user for switching the service is a priority user;

the setting and sending of the number carrying the service priority information for the service is to add a specific prefix number carrying the service priority information to the handover number for the handover service and to send the handover number having the specific prefix number.

8. The system of claim 5, wherein:

the setting and sending of the number carrying the service priority information for the service is to set the service priority information in a temporary allocation code of a handover number for the handover service and send the handover number carrying the service priority information.

9. An apparatus for setting service priority, the apparatus comprising:

the judging unit is used for judging whether the service is a priority service;

10. The apparatus according to claim 9, wherein the determining whether the service is a priority service is determining whether a destination user of the call service is a priority user;

11. The apparatus according to claim 9, wherein the determining whether the service is a priority service is determining whether a requesting user for switching services is a priority user;

the setting and sending of the number carrying the service priority information for the service is to add a prefix number carrying the service priority information to the handover number for the handover service and to send the handover number having the prefix number.

12. The apparatus according to claim 9, wherein the determining whether the service is a priority service is determining whether a requesting user for switching services is a priority user;

13. The apparatus according to claim 9 or 11, characterized in that the apparatus further comprises a first identification unit,

the first identification unit is used for identifying whether the received roaming number or the received switching number carries service priority information according to the service priority identification rule;

the judging unit is further configured to judge whether the service is a priority service when the first identifying unit identifies no.

14. An apparatus for identifying a priority of a service, the apparatus comprising:

15. The apparatus according to claim 14, wherein the service priority identification rule comprises one or any combination of the following: