CN112866489B - CAP signaling-based capability opening system - Google Patents
CAP signaling-based capability opening system Download PDFInfo
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- CN112866489B CN112866489B CN202110030811.6A CN202110030811A CN112866489B CN 112866489 B CN112866489 B CN 112866489B CN 202110030811 A CN202110030811 A CN 202110030811A CN 112866489 B CN112866489 B CN 112866489B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04M3/00—Automatic or semi-automatic exchanges
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Abstract
The invention relates to a CAP signaling-based capability opening system, which simplifies a communication protocol to provide atomic-level operations including a call connection capability interface, a call rejection capability interface and a sound reproduction and number reception capability interface, and realizes platform-level capability opening. The method breaks the limitation of communication service for operators, promotes the market development of enterprises and industries, and provides a scheme for business parties to conveniently and rapidly realize complex and various business processes.
Description
Technical Field
The invention relates to a CAP signaling-based capability opening system.
Background
The value-added telecommunication service is an additional communication service developed by means of resources of a public telecommunication network and other communication equipment, the realization value of the value-added telecommunication service increases the economic benefit or the functional value of the original network, and the value-added telecommunication service is a higher-level information demand provided by an operator to a consumer. Operators need to provide better and more comprehensive services to meet personalized requirements of different consumption groups.
For operators, the third-party innovation is expected to be realized through capability opening, the limitation of communication services is broken through, the market development of enterprises and industries is promoted, the efficiency is improved and the cost is reduced for enterprise users through opening a traditional telephone communication network, meanwhile, the method can be applied to various service products, the functions of the products are enriched, and the user experience is improved.
For business parties, they face the dilemma of difficulty in obtaining telecommunication resources and high research and development cost, and therefore, the business parties are eagerly expected to obtain communication functions and conveniently and quickly realize complex and diverse business processes.
Therefore, it is an important subject to be solved urgently to develop communication services quickly, simplify protocols, and provide capabilities to develop and implement communication services.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a technical scheme of a CAP signaling-based capability open system.
The capacity opening system based on CAP signaling provides an atomic-level capacity opening interface for signaling primitives with complex call shielding, comprises a call connection capacity interface, a call rejection capacity interface and a sound playing and number receiving capacity interface, and is characterized by comprising a signaling transceiving module, a signaling analysis module and a capacity opening module,
the signaling transceiving module: the system is in butt joint with an operator signaling network, receives and transmits CAP signaling primitive messages, comprises IDP, RRBE, AC, FCI, CONNECT, ERB, ACR, ETC, ARI, PAC, DFC, PCR, RC and TC _ END, is associated with single call transactions, processes abnormal messages, is in butt joint with a signaling analysis module, forwards signaling network messages to the signaling analysis module, and receives messages needing to be sent to the signaling network from the signaling analysis module;
a signaling analysis module: the system is butted with a signaling transceiving module, receives CAP signaling messages from the signaling transceiving module, analyzes the calling and called numbers in IDP, sets a calling event to be monitored by RRBE, analyzes off-hook information, on-hook information and abnormal cause values in ERB, is butted with a capacity opening module, is converted into an internal interface to be sent to the capacity opening module, and receives messages to be sent to a signaling network from the capacity opening module;
a capability opening module: the signaling interaction flow information in the calling process is completed, the calling and called number information and the calling event information in the signaling information are extracted, and all the signaling information is finished in the capability opening module; providing a call connection capacity interface, a call rejection capacity interface and a sound playing and number receiving capacity interface, and calling a message of a signaling analysis module by a capacity opening module to realize normal call connection when the capacity opening module is called to connect the call capacity interface; when the capability opening module is called to reject the call capability interface, the capability opening module calls a message of the signaling analysis module to end the current call; when the capacity opening module is called the playing and number receiving capacity interface, the capacity opening module calls the message of the signaling analysis module to carry out the playing and number receiving process.
The capacity opening system based on CAP signaling is characterized in that the call connection capacity interface has call connection capacity: a calling number A dials a called number B, a signaling network sends an IDP (idle call protocol) initial call event to a signaling transceiver module, the signaling transceiver module checks whether message parameters are normal, then transmits the IDP to a signaling analysis module, the signaling analysis module analyzes each parameter in the message, packages the parameter into an internal IDP event and sends the internal IDP event to a capability opening module, the capability opening module extracts a calling number and a called number, the calling event informs an external service, the external service calls a continuous calling capability interface provided by the capability opening module, the capability opening module packages RRBE, AC, FCI and CONNECT to the signaling analysis module according to the continuous calling interface to continue calling, the signaling analysis module unpacks and transmits the packet to the signaling transceiver module, and the signaling transceiver module sends the packet to the signaling network; when called B picks up the phone and receives the call, the signaling network returns ERB pick-up event to the capability opening module, the capability opening module reports the pick-up event to the external service, at this time, both parties of the calling and called AB have established call and can carry out normal conversation, when the calling A or called B hang-up conversation is finished, the signaling network sends ERB hang-up event to the capability opening module, the capability opening module reports the hang-up event to the external service after receiving the ERB hang-up event, and simultaneously, self calling resource is finished.
The capacity open system based on CAP signaling is characterized in that the interface for rejecting call capacity has the following capacity: the calling number A dials the called number B, the signaling network sends IDP call starting event to the signaling transceiver module, the signaling transceiver module checks whether the message parameter is normal, then transmits IDP to the signaling analysis module, the signaling analysis module analyzes each parameter in the message, and packs the message into internal IDP event to be sent to the capacity opening module, the capacity opening module extracts the calling number and the called number, the call event informs the external service, the external service calls the call rejection capacity interface provided by the capacity opening module, the capacity opening module packs the internal TC _ END hang-up event to be transmitted to the signaling analysis module according to the call rejection capacity interface, the signaling analysis module transmits the signal to the signaling transceiver module, then the signaling transceiver module transmits the signal to the signaling network, the call is directly ended, and the capacity opening module ENDs the call resource.
The capacity open system based on CAP signaling is characterized in that the playback and number receiving capacity interface has the following capacity: the calling number A dials the called number B, the signaling network sends IDP call-starting event to the signaling transceiver module, the signaling transceiver module checks whether the message parameters are normal, then transmits IDP to the signaling analysis module, the signaling analysis module analyzes each parameter in the message, packs into internal IDP event and sends to the capability opening module, the capability opening module extracts the calling number and the called number, the call event informs the external service, the external service calls the play and receive number capability interface provided by the capability opening module, the capability opening module sends RRBE according to the play and receive capability interface, ETC establishes temporary connection to the signaling network, prepares AIP play, after receiving the ARI message of the signaling network, the media resource is ready, the capability opening module sends PAC play and receive number message to the calling number A, after the calling key is pressed, the signaling network reports PCR key resource to the capability opening module, and the capability opening module extracts the key information and reports the key information to the external service.
The invention utilizes a CAP signaling-based capability opening system to realize platform-level capability opening including a call connection capability interface, a call rejection capability interface and a playback and number reception capability interface by simplifying a communication protocol, and the invention is applicable to services including common calls, voice verification code services, IVR services, customer service hotlines and the like. The invention realizes the opening of the calling capability of the operator, is convenient for the butt joint with the service party and the unified management, reduces the maintenance cost, and simultaneously is convenient for the service party to bypass the communication protocol to quickly realize complex and various service flows. A solution is provided for operator capability opening.
Drawings
FIG. 1 is a block diagram of the modules of the present invention;
FIG. 2 is a flow diagram of a continuing call capability;
FIG. 3 is a flow diagram of rejecting call capability;
fig. 4 is a flow chart of the play/receive capability.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
the capacity opening system based on CAP signaling provides atomic level capacity opening interfaces for signaling primitives with complex call shielding, including a call connection capacity interface, a call rejection capacity interface and a sound playing and number receiving capacity interface, including a signaling transceiving module, a signaling analysis module and a capacity opening module.
The signaling transceiving module: the system is connected with an operator signaling network in an butt joint mode, receives and transmits CAP signaling primitive messages, comprises IDP, RRBE, AC, FCI, CONNECT, ERB, ACR, ETC, ARI, PAC, DFC, PCR, RC and TC _ END, is associated with single call transactions, processes abnormal messages, is connected with a signaling analysis module in a butt joint mode, forwards signaling network messages to the signaling analysis module, and receives messages needing to be sent to the signaling network from the signaling analysis module.
A signaling analysis module: the system is in butt joint with a signaling transceiver module, receives CAP signaling messages from the signaling transceiver module, analyzes a calling number and a called number in an IDP, sets a calling event which needs to be monitored by an RRBE (remote radio bearer), analyzes off-hook information, on-hook information and an abnormal cause value in an ERB (emergency radio bearer), is in butt joint with a capacity opening module, is converted into an internal interface to be sent to the capacity opening module, and receives messages which need to be sent to a signaling network from the capacity opening module.
A capability opening module: the signaling analysis module is in butt joint with the base station, receives and sends a calling message with the signaling analysis module, completes a signaling interaction flow message in a calling process, extracts calling and called number information and calling event information in the signaling message, and finishes all the signaling messages in the capability opening module; providing a call connection capacity interface, a call rejection capacity interface and a sound playing and number receiving capacity interface, and calling a message of a signaling analysis module by a capacity opening module to realize normal call connection when the capacity opening module is called to connect the call capacity interface; when the capability opening module is called to reject the call capability interface, the capability opening module calls a message of the signaling analysis module to end the current call; when the capacity opening module is called the playing and number receiving capacity interface, the capacity opening module calls the message of the signaling analysis module to carry out the playing and number receiving process.
The call connection capability interface has call connection capability: the calling number A dials the called number B, the signaling network sends an IDP initial call event to the signaling transceiver module, the signaling transceiver module checks whether the message parameters are normal, then the IDP is forwarded to the signaling analysis module, the signaling analysis module analyzes each parameter in the message, the IDP event is packaged into an internal IDP event and sent to the capability opening module, the capability opening module extracts the calling number and the called number, the call event informs an external service, the external service calls a continuous call capability interface provided by the capability opening module, the capability opening module packages RRBE, AC, FCI and CONNECT to the signaling analysis module according to the continuous call interface to continue calling, the signaling analysis module unpacks and forwards the packet to the signaling transceiver module, and the signaling transceiver module sends the packet to the signaling network again. When called B picks up the phone and receives the call, the signaling network returns ERB pick-up event to the capability opening module, the capability opening module reports the pick-up event to the external service, at this time, both parties of the calling and called AB have established call and can carry out normal conversation, when the calling A or called B hang-up conversation is finished, the signaling network sends ERB hang-up event to the capability opening module, the capability opening module reports the hang-up event to the external service after receiving the ERB hang-up event, and simultaneously, self calling resource is finished.
The reject call capability interface has a reject call capability: the calling number A dials the called number B, the signaling network sends IDP call starting event to the signaling transceiver module, the signaling transceiver module checks whether the message parameter is normal, then transmits IDP to the signaling analysis module, the signaling analysis module analyzes each parameter in the message, and packs the message into internal IDP event to be sent to the capacity opening module, the capacity opening module extracts the calling number and the called number, the call event informs the external service, the external service calls the call rejection capacity interface provided by the capacity opening module, the capacity opening module packs the internal TC _ END hang-up event to be transmitted to the signaling analysis module according to the call rejection capacity interface, the signaling analysis module transmits the signal to the signaling transceiver module, then the signaling transceiver module transmits the signal to the signaling network, the call is directly ended, and the capacity opening module ENDs the call resource.
The sound playing and number receiving capability interface has the sound playing and number receiving capability: the calling number A dials the called number B, the signaling network sends IDP call-starting event to the signaling transceiver module, the signaling transceiver module checks whether the message parameter is normal, then forwards IDP to the signaling analysis module, the signaling analysis module analyzes each parameter in the message, packs into internal IDP event and sends to the ability opening module, the ability opening module extracts the calling and called numbers, the call event informs the external service, the external service calls the play and receive ability interface provided by the ability opening module, the ability opening module sends RRBE according to the play and receive ability interface, ETC establishes temporary connection to the signaling network, prepares AIP play, after receiving ARI message of the signaling network, the media resource is ready, the ability opening module sends PAC number receiving message to the play and receive number of the calling number A, after the calling key is pressed, the signaling network reports PCR key resource to the ability opening module, and the capability opening module extracts the key information and reports the key information to the external service.
Referring to fig. 1, the capacity opening apparatus based on CAP signaling in the present invention includes a signaling transceiving module, a signaling parsing module, and a capacity opening module. The invention is connected with communication signaling network, and the packaged interface is used for service development.
Referring to fig. 2, a continuing call capability flow diagram:
2.1-2.3 call origination IDP message passes through signaling forwarding module from signaling network, signaling analysis module and finally reaches capability opening module
2.4 the ability open module extracts the calling information from the initial calling IDP message, including calling and called numbers, IDP event, etc, and sends it to the service layer to call the initial calling event, and provides the ability interface (continuing calling ability, rejecting calling ability, playing and receiving ability) to the service layer, and the service layer selects the following calling flow
2.5 the service layer extracts the calling and called information in the calling event, and sends the interface of continuous calling ability to the ability open module after processing the service logic
2.6-2.17 capability opening module receives capability call of service layer continuous call, sends out CONNECT message, and sends it to signaling network via signaling analysis module and signaling forwarding module
Off-hook message reporting to capacity opening module by 2.18-2.20 signaling network
2.21 signaling network reports off-hook information from signaling network via signaling forwarding module, signaling analyzing module and capability opening module, which extracts off-hook information
2.22-2.27 signaling network reporting timing message to capability opening module, capability opening returning response, holding call
2.28-2.34 signaling network reports hang-up message from signaling network through signaling forwarding module, signaling analysis module and capability opening module, capability opening module releases calling resource and ends calling
2.31 capability open module reports hang-up event notification to service layer
Referring to fig. 3, a reject call capability flow diagram:
3.1-3.3 call origination IDP message passes through signaling forwarding module from signaling network, signaling analyzing module and finally reaches capability opening module
3.4 the ability open module extracts the calling information from the initial calling IDP message, including calling and called numbers, IDP event, etc, and sends it to the service layer to call the initial calling event, and provides the ability interface (continuing calling ability, rejecting calling ability, playing and receiving ability) to the service layer, and the service layer selects the following calling flow
3.5 the service layer extracts the calling and called information in the calling event, and sends down the calling refusing event after processing the service logic
3.6-3.11 ability opening module sends hang-up event to signaling network through signaling analysis module and signaling forwarding module, and ability opening module releases call resource
3.12 capability OpenState Module reports hang event Notification to Business layer
Referring to fig. 4, a flow chart of playing and receiving numbers:
4.1-4.3 call origination IDP message passes through signaling forwarding module from signaling network, signaling analysis module and finally reaches capability opening module
4.4 the ability open module extracts the calling information from the initial calling IDP message, including the calling and called numbers, IDP event, etc, and sends it to the service layer to call the initial calling event, and provides the ability interface (continuing calling ability, rejecting calling ability, playing and receiving ability) to the service layer, and the service layer selects the following calling flow
4.5 the service layer extracts the calling and called information in the calling event, and sends the play and number receiving event after the service logic is processed
4.6-4.14 ability open module sends ETC to signaling network, informs signaling network to need to establish temporary connection for media playing and receiving number, and after signaling network returns ARI, it shows that media resource is ready to finish
4.15-4.17 capability opening module sends playback and receiving number to signaling network through signaling analysis module and signaling forwarding module
4.18-4.20 signaling network returns key information to the capability opening module through the signaling forwarding module and the signaling analyzing module, and the capability opening module extracts the key information
4.21 capability open module reports key information to service layer
4.22-4.27 capability opening module sends DFC, TC _ END to signaling network, and ENDs playback and number reception flow
4.28-4.34 signaling network returns call event end, through signaling forwarding module and signaling analysis module to capability opening module
4.31 capability open module reports call ending event to service layer
4.35-4.40 capability openness module sends end CAP transaction to signaling network
Note that:
a signaling network: the common channel signaling system carries a dedicated data support network for signaling. A signaling network generally consists of Signaling Points (SPs), Signaling Transfer Points (STPs) and signaling links. The signaling network can be divided into a stepless network without STP and a hierarchical network with STP. The stepless signaling network does not contain STP, and the signaling points all work in a direct connection mode, which is also called direct connection signaling network. The hierarchical signaling network contains STP, and the signaling points can work in a collimation connection mode, also called non-direct connection signaling network
Intelligent network: an Intelligent Network (IN) is a network architecture that quickly, economically, conveniently, and efficiently generates and provides intelligent services over a communications network. It is an additional network structure set up for providing new service for user on the basis of original communication network, and its most important feature is that the switching function and control function of network are separated. Because the intelligent network technology is adopted in the original communication network, the new mobile service with strong service characteristics, comprehensive functions and flexibility can be provided for users, and the market demand is very large, the intelligent network gradually becomes a preferred solution for providing the new service in modern communication. The goal of intelligent network is to provide new services to all communication networks, including PSTN, ISDN, PLMN, Internet, etc., which meet the needs of users, and intelligence is the development direction of communication networks
CAP (CAMEL Application part): CAMEL application part protocol
Pic (point In call): call points, representing relatively stable states during a call
Dp (detection point): detection point, which indicates the critical point at which one PIC ends and is about to enter the next PIC
IVR (Interactive Voice response): instant interactive voice response
Idp (initial dp): starting DP
RRBE (RequestReportBCSMEvent) requiring BCSM event reporting
AC (apply charging)
FCI (FurnishCharinginformation) provides charging information
CONNECT connection
ERB (EventReportBCSM): BCSM event report
ACR (Appliychargingreport) applying for charging report
ETC (establish Temporary connection)
ARI (AssastRequestInstructions) auxiliary request instruction
PAC (Play Annuncement And Collection) play number
Dfc (disconnectforwardconnection): cutting off the forward connection
Pcr (pac result): receiving PAC result indication
Rc (releasecall): releasing a call
TC _ END: the transaction is ended.
Claims (3)
1. A CAP signaling-based capability opening system provides atomic level capability opening interfaces including a call connection capability interface, a call rejection capability interface and a sound reproduction and number reception capability interface when shielding complex signaling primitives in a call connection process, and is characterized by comprising a signaling transceiver module, a signaling analysis module and a capability opening module,
the signaling transceiving module: the system is connected with an operator signaling network in an butt joint mode, receives and transmits CAP signaling primitive messages, wherein the signaling primitive messages comprise IDP, RRBE, AC, FCI, CONNECT, ERB, ACR, ETC, ARI, PAC, DFC, PCR, RC and TC _ END, are associated with single call transactions, process abnormal messages, are connected with a signaling analysis module in a butt joint mode, forward signaling network messages to the signaling analysis module, and receive messages needing to be sent to the signaling network from the signaling analysis module;
a signaling analysis module: the system is butted with a signaling transceiver module, receives CAP signaling messages from the signaling transceiver module, analyzes a calling number and a called number in an IDP (idle call setup protocol), sets a calling event to be monitored by an RRBE (remote radio bearer), analyzes off-hook information and on-hook information and an abnormal cause value in an ERB (emergency radio bearer), is butted with a capacity opening module, is converted into an internal interface and is sent to the capacity opening module, and receives messages needing to be sent to a signaling network from the capacity opening module;
a capability opening module: the signaling analysis module is in butt joint with the signaling analysis module, receives and sends the calling message of the signaling analysis module, completes the signaling interaction flow message in the calling process, extracts the calling and called number information and the calling event information in the signaling message, and finishes all the signaling messages in the capability opening module; providing a call connection capacity interface, a call rejection capacity interface and a sound playing and number receiving capacity interface, and calling a signaling analysis module message by the capacity opening module to realize normal call connection when the capacity opening module is called to connect the call capacity interface; when the capability opening module is called to reject the call capability interface, the capability opening module calls a signaling analysis module message to end the current call; when the capacity opening module is called a playback number receiving capacity interface, the capacity opening module calls a signaling analysis module message to carry out a playback number receiving flow;
the call connection capability interface has the following call connection capability: a calling number A dials a called number B, a signaling network sends an IDP (idle call protocol) initial call event to a signaling transceiver module, the signaling transceiver module checks whether message parameters are normal, then transmits the IDP to a signaling analysis module, the signaling analysis module analyzes each parameter in the message, packages the parameter into an internal IDP event and sends the internal IDP event to a capability opening module, the capability opening module extracts a calling number and a called number, the calling event informs an external service, the external service calls a continuous calling capability interface provided by the capability opening module, the capability opening module packages RRBE, AC, FCI and CONNECT to the signaling analysis module according to the continuous calling interface to continue calling, the signaling analysis module unpacks and transmits the signaling analysis module to the signaling transceiver module, and the signaling transceiver module transmits the signaling network again; when called B picks up the phone and receives the call, the signaling network returns ERB off-hook event to the capability opening module, the capability opening module reports the off-hook event to the external service, at this time, both parties of the calling and called AB have established call and can carry out normal conversation, when the calling A or called B hang-up conversation is finished, the signaling network sends ERB on-hook event to the capability opening module, the capability opening module reports the on-hook event to the external service after receiving the ERB on-hook event, and simultaneously, self calling resource is finished.
2. A capability openness system based on CAP signaling according to claim 1, characterized in that the call rejection capability interface has a call rejection capability: a calling number A dials a called number B, a signaling network sends an IDP call initiating event to a signaling receiving and sending module, the signaling receiving and sending module checks whether message parameters are normal, then the IDP is forwarded to a signaling analysis module, the signaling analysis module analyzes each parameter in the message, the parameter is packaged into an internal IDP event and sent to a capacity opening module, the capacity opening module extracts a calling number and a called number, the calling event informs an external service, the external service calls a call rejection capacity interface provided by the capacity opening module, the capacity opening module packages an internal TC _ END hang-up event and forwards the internal IDP event to the signaling analysis module, the signaling analysis module forwards the signaling receiving and sending module, the signaling receiving and sending module sends the interface to the signaling network, the calling is directly ended, and meanwhile, the capacity opening module ENDs self calling resources.
3. A capability openness system based on CAP signaling as claimed in claim 1, wherein the playback and number-receiving capability interface has a playback and number-receiving capability: the calling number A dials the called number B, the signaling network sends IDP call-starting event to the signaling transceiver module, the signaling transceiver module checks whether the message parameters are normal, then transmits IDP to the signaling analysis module, the signaling analysis module analyzes each parameter in the message, packs into internal IDP event and sends to the capability opening module, the capability opening module extracts the calling number and the called number, the call event informs the external service, the external service calls the play and receive number capability interface provided by the capability opening module, the capability opening module sends RRBE and ETC to the signaling network according to the play and receive capability interface to establish temporary connection, prepares AIP play, after receiving the ARI message of the signaling network, the media resource is ready, the capability opening module sends PAC play and receive number message to the calling number A, after the calling key is pressed, the signaling network reports PCR key resource to the capability opening module, and the capability opening module extracts the key information and reports the key information to the external service.
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| WO2009103317A1 (en) * | 2008-02-21 | 2009-08-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Method of providing at least one value added service in the packet switched telecommunications network, and method of operating a service interface adapter, a service interface adapter for use in such method, a telecommunications network and a telecommunications service |
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