CN108391243B - Voice call and short message forwarding system and method based on MAP signaling - Google Patents
Voice call and short message forwarding system and method based on MAP signaling Download PDFInfo
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- CN108391243B CN108391243B CN201810090839.7A CN201810090839A CN108391243B CN 108391243 B CN108391243 B CN 108391243B CN 201810090839 A CN201810090839 A CN 201810090839A CN 108391243 B CN108391243 B CN 108391243B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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Abstract
The invention discloses a system and a method for forwarding voice calls and short messages based on MAP signaling, wherein the system comprises: the system comprises a communication terminal, a communication gateway, an SIP gateway, an integrated service application server and a resource database, wherein the communication terminal is connected with the communication gateway through a PSTN and connected with the SIP gateway through the Internet, the communication gateway and the SIP gateway are respectively connected with the integrated service application server, and the integrated service application server is connected with the resource database. Has the advantages that: when in use, the switching number is directly set, the call forwarding is not required to be set, and the call forwarding cost is avoided; the operation of switching cards is not needed, and the use process is more convenient; the short message, the flash message and other contents can be transferred, and the problem that the transfer contents of a call transfer mode are limited is solved; the switching capacity is not limited by distance, so that the problem of distance limitation of a Bluetooth communication mode is solved; the switching mode of crossing IP domains can be used when going out of country, and calls are answered under the data network through the APP, so that the international roaming fee is saved.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a voice call and short message forwarding system and method based on MAP signaling.
Background
With the development of communication networks and mobile internet, the communication requirements in life are more and more abundant, the communication mode is also expanded from a telephone card to a network telephone, and the communication carrier is also developed from a function machine to an intelligent machine, various intelligent terminals and an internet of things terminal. In the interworking environment, the communication requirements of people are getting higher and higher, but there are still many inconveniences in the actual communication process. For example, it is inconvenient to carry a cell phone in some special scenarios, but it is worried about missing phone calls and short messages. Meanwhile, people can use a plurality of mobile phone numbers and carry a plurality of mobile phone terminals according to the needs in life or work. Although the threshold for solving the communication requirement by using a plurality of mobile phones is not high, the carrying and management of the plurality of mobile phones are inconvenient, and the risks of mobile phone loss and information security leakage are increased.
Regarding the problem that the mobile phone is inconvenient to carry under some special scenes, there are several solutions on the market: firstly, the original telephone card is inserted into a miniaturized and portable intelligent terminal or wearable device with a communication function, so that the communication requirement of a user is met, and the defect that the card is inconvenient to change on different devices is overcome; secondly, a second SIM card is arranged for a miniaturized and portable intelligent terminal or wearable device with a communication function, and the original mobile phone number incoming call is transferred to the SIM card of the intelligent terminal or wearable device when needed, so that the defects that the call can be transferred only, short messages can not be transferred, and the call transfer generates call transfer cost every minute are overcome; the third scheme is that a miniaturized and portable intelligent terminal or wearable device has a Bluetooth function, and when the mobile phone originally used by the user is an intelligent machine, the incoming call or the short message of the mobile phone of the user can be transferred to the intelligent terminal or wearable device through the Bluetooth function, and the third scheme has the defects that the farthest effective distance between the mobile phone and the intelligent terminal or wearable device is 10 meters, and the mobile phone of the user must be in a normal standby state all the time.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides a voice call and short message forwarding system and method based on MAP signaling, which can more conveniently realize the forwarding of telephone calls and short messages, do not generate call forwarding cost, are not limited by distance, and do not limit whether the original mobile phone of a user is in normal standby or not.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
a voice call and short message forwarding system based on MAP signaling comprises: the system comprises a communication terminal, a communication gateway, an SIP gateway, an integrated service application server and a resource database, wherein the communication terminal is connected with the communication gateway through a PSTN and is connected with the SIP gateway through the Internet;
the communication gateway is used for interacting with the PSTN, performing circuit domain switching service, finishing the voice processing work and the short message processing work of the system, and finishing the voice call and the short message forwarding of the communication terminal according to the service instruction of the comprehensive service application server; receiving data transmitted from the internet and transmitting the data to the integrated service application server;
the SIP gateway is used for interacting with the Internet, performing voice processing work and short message processing work of an IP domain, and completing voice calling and short message forwarding of the communication terminal according to a service instruction of the integrated service application server; receiving data transmitted by PSTN and transmitting to the integrated service application server, and performing subsequent service processing in cooperation;
the integrated service application server comprises a service database interface, a core control unit, a service management unit and a communication data interface; the system comprises a resource database, a communication gateway and an SIP gateway, wherein the resource database is used for storing and accessing data, performing communication data interaction with the communication gateway and the SIP gateway, sending service instructions to the communication gateway and the SIP gateway and receiving requests of the communication gateway and the SIP gateway;
the resource database is used for storing user data, service data and system data, including audio files, user data, call records, short message records and system logs, managing data storage in the integrated service application server and providing required data resources for the integrated service application server.
Further, the communication gateway comprises a data transmission interface, an interaction control unit and a data communication unit;
the data transmission interface is used for information interaction between the communication gateway and the integrated service application server, receiving a service request of the interaction control unit, finishing data interaction through the communication data interface of the integrated service application server, and feeding back a data interaction result to the interaction control unit;
the interaction control unit is used for controlling and coordinating other units of the communication gateway to complete data interaction and controlling a data request between the data transmission interface and the comprehensive service application server; controlling the data communication unit to complete the data processing of voice and short messages;
the data communication unit is used for data interaction between the communication gateway and the PSTN, receiving a data request of the PSTN and transmitting the data request to the interaction control unit; and receiving an instruction of the interactive control unit to complete the communication of voice and short messages.
Further, the SIP gateway comprises a data transmission interface, an interaction control unit, a data coding and decoding unit and a data communication unit;
the data transmission interface is used for data interaction between the SIP gateway and the integrated service application server, finishing the data interaction between the SIP gateway and the integrated service application server through a communication data unit of the integrated service application server, and transmitting the data received by the SIP gateway to the integrated service application server; receiving a data instruction of the integrated service application service, and feeding back a data interaction result to the interaction control unit;
the interactive control unit is used for controlling and coordinating other units of the SIP gateway to complete a data interactive function, completing a data interactive request initiated by the comprehensive service application server, controlling the data coding and decoding unit to complete coding and decoding of a data packet, and controlling the data communication unit to complete data transmission work;
the data coding and decoding unit is used for coding or decoding the data packet according to an agreed protocol, receiving an instruction of the interaction control unit, coding the data packet sent to the data communication unit, receiving a service request of the data communication unit and decoding the data packet transmitted by the Internet;
the data communication unit is used for communicating with the Internet according to an appointed communication mode, finishing data transmission of voice and short message switching through the interactive control unit, and simultaneously providing original data transmitted by the Internet to the data coding and decoding unit in a uniform mode.
Furthermore, the integrated service application server comprises a service database interface, a core control unit, a service management unit and a communication data interface;
the service database interface is used for packaging the resource database, completing data transmission work among the core control unit, the service management unit and the resource database, providing data reading, writing and inquiring functions for the core control unit and the service management unit in a simple interface mode, receiving service requests of the core control unit and the service management unit, accessing and updating data, and returning a processing result or a data set to the request unit;
the core control unit is used for integrating the service processing of the service application server, completing the communication switching setting, the voice switching processing, the short message switching processing, the management of switching number relation and the storage of user data, controlling the communication gateway and the SIP gateway to complete the processing of voice and short messages, and completing the access of system data to a resource database through a service database interface;
the business management unit is used for accessing and configuring client information, inquiring and editing business data, counting data reports and configuring system parameters; the communication data interface is used for interacting with communication data of the communication gateway and the SIP gateway, receiving a control instruction of the core control unit and forwarding a request of the core control unit to the communication gateway and the SIP gateway; and receiving the requests of the communication gateway and the SIP gateway and transmitting the requests to the core control unit.
In another aspect, a method for forwarding a voice call based on MAP signaling is provided, which includes the following steps:
s11 communication terminal 1 initiates a call to communication terminal 2, where communication terminal 2 is a transfer target;
s12, after receiving the call request of communication terminal 1 to communication terminal 2, the communication gateway transmits the request to the integrated service application server;
s13 the integrated service application server receives the request, keeps the call of the communication terminal 1, and at the same time, obtains the information of the called communication terminal 2 according to the call request, determines the transfer number of the called communication terminal 2, and sends an instruction to the gateway;
s14 calls the transfer number of the communication terminal 2 by the gateway according to the instruction of the integrated service application server;
s15 turns on the voice call between communication terminal 1 and communication terminal 2.
Further, the gateway in S13 includes a communication gateway and a SIP gateway.
Further, S14 specifically includes: judging the type of the switching number according to the instruction of the integrated service application server,
s141, if the transfer number belongs to the telephone domain range, calling the transfer number of the communication terminal 2 through the communication gateway;
s142, if the forwarding number belongs to the IP domain range, calling the forwarding number of the communication terminal 2 through the SIP gateway.
In another aspect, a method for forwarding a short message based on MAP signaling is also provided, which includes the following steps:
s21, the communication terminal 1 sends a short message to the communication terminal 2, wherein the communication terminal 2 is a transfer object;
s22, the communication gateway receives the short message sent by the communication terminal 1 to the communication terminal 2, and sends the request to the integrated service application server;
s23, after receiving the request, the integrated service application server obtains the information of the communication terminal 2 according to the short message, determines the switching number of the communication terminal 2 and sends an instruction to the gateway;
s24 the gateway sends the short message sent from the communication terminal 1 to the communication terminal 2 to the transfer number according to the instruction of the integrated service application server.
Further, the gateway in S23 includes a communication gateway and a SIP gateway.
Further, S4 specifically includes: judging the type of the switching number according to the instruction of the integrated service application server,
s241, if the forwarding number belongs to the telephone domain range, sending a short message to be forwarded to the forwarding number of the communication terminal 2 through the communication gateway;
s242 sends the short message to be forwarded to the forwarding number of the communication terminal 2 through the SIP gateway if the forwarding number belongs to the IP domain range.
The invention has the beneficial effects that: a set of telephone calling and short message forwarding system is constructed based on a basic operator communication network through an MAP signaling call forwarding technology, and a forwarding number is directly set during use without setting call forwarding and call forwarding cost; the operation of switching cards is not needed, so that the use process is more convenient; the short message, the flash message and other contents can be transferred, and the problem that the transfer contents of a call transfer mode are limited is solved; the switching capacity is not limited by distance, so that the problem of distance limitation of a Bluetooth communication mode is solved; the switching mode of crossing IP domains can be used when going out of country, and calls are answered under the data network through the APP, so that the international roaming fee is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a voice call and short message forwarding system based on MAP signaling according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an integrated service application server according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a communication gateway according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a SIP gateway according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a dual-end circuit domain voice call forwarding process according to an embodiment of the present invention;
FIG. 6 is a flow chart illustrating a single-ended circuit switched voice call forwarding according to an embodiment of the present invention;
fig. 7 is a schematic diagram illustrating a short message forwarding process of a dual-end circuit domain according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a short message forwarding process of a single-ended circuit domain according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1 to 8, a system for forwarding a voice call and a short message based on MAP signaling according to an embodiment of the present invention includes: the system comprises a communication terminal, a communication gateway, an SIP gateway, an integrated service application server and a resource database, wherein the communication terminal is connected with the communication gateway through a PSTN and is connected with the SIP gateway through the Internet;
the communication gateway is used for interacting with the PSTN, performing circuit domain switching service, finishing the voice processing work and the short message processing work of the system, and finishing the voice call and the short message forwarding of the communication terminal according to the service instruction of the comprehensive service application server; receiving data transmitted from the internet and transmitting the data to the integrated service application server;
the SIP gateway is used for interacting with the Internet, performing voice processing work and short message processing work of an IP domain, and completing voice calling and short message forwarding of the communication terminal according to a service instruction of the integrated service application server; receiving data transmitted by PSTN and transmitting to the integrated service application server, and performing subsequent service processing in cooperation;
the integrated service application server comprises a service database interface, a core control unit, a service management unit and a communication data interface; the system comprises a resource database, a communication gateway and an SIP gateway, wherein the resource database is used for storing and accessing data, performing communication data interaction with the communication gateway and the SIP gateway, sending service instructions to the communication gateway and the SIP gateway and receiving requests of the communication gateway and the SIP gateway;
the resource database is used for storing user data, service data and system data, including audio files, user data, call records, short message records and system logs, managing data storage in the integrated service application server and providing required data resources for the integrated service application server.
Further, the communication gateway comprises a data transmission interface, an interaction control unit and a data communication unit;
the data transmission interface is used for information interaction between the communication gateway and the integrated service application server, receiving a service request of the interaction control unit, finishing data interaction through the communication data interface of the integrated service application server, and feeding back a data interaction result to the interaction control unit;
the interaction control unit is used for controlling and coordinating other units of the communication gateway to complete data interaction and controlling a data request between the data transmission interface and the comprehensive service application server; controlling the data communication unit to complete the data processing of voice and short messages;
the data communication unit is used for data interaction between the communication gateway and the PSTN, receiving a data request of the PSTN and transmitting the data request to the interaction control unit; and receiving an instruction of the interactive control unit to complete the communication of voice and short messages.
Further, the SIP gateway comprises a data transmission interface, an interaction control unit, a data coding and decoding unit and a data communication unit;
the data transmission interface is used for data interaction between the SIP gateway and the integrated service application server, finishing the data interaction between the SIP gateway and the integrated service application server through a communication data unit of the integrated service application server, and transmitting the data received by the SIP gateway to the integrated service application server; receiving a data instruction of the integrated service application service, and feeding back a data interaction result to the interaction control unit;
the interactive control unit is used for controlling and coordinating other units of the SIP gateway to complete a data interactive function, completing a data interactive request initiated by the comprehensive service application server, controlling the data coding and decoding unit to complete coding and decoding of a data packet, and controlling the data communication unit to complete data transmission work;
the data coding and decoding unit is used for coding or decoding the data packet according to an agreed protocol, receiving an instruction of the interaction control unit, coding the data packet sent to the data communication unit, receiving a service request of the data communication unit and decoding the data packet transmitted by the Internet;
the data communication unit is used for communicating with the Internet according to an appointed communication mode, finishing data transmission of voice and short message switching through the interactive control unit, and simultaneously providing original data transmitted by the Internet to the data coding and decoding unit in a uniform mode.
Furthermore, the integrated service application server comprises a service database interface, a core control unit, a service management unit and a communication data interface;
the service database interface is used for packaging the resource database, completing data transmission work among the core control unit, the service management unit and the resource database, providing data reading, writing and inquiring functions for the core control unit and the service management unit in a simple interface mode, receiving service requests of the core control unit and the service management unit, accessing and updating data, and returning a processing result or a data set to the request unit;
the core control unit is used for integrating the service processing of the service application server, completing the communication switching setting, the voice switching processing, the short message switching processing, the management of switching number relation and the storage of user data, controlling the communication gateway and the SIP gateway to complete the processing of voice and short messages, and completing the access of system data to a resource database through a service database interface;
the business management unit is used for accessing and configuring client information, inquiring and editing business data, counting data reports and configuring system parameters; the communication data interface is used for interacting with communication data of the communication gateway and the SIP gateway, receiving a control instruction of the core control unit and forwarding a request of the core control unit to the communication gateway and the SIP gateway; and receiving the requests of the communication gateway and the SIP gateway and transmitting the requests to the core control unit.
In another aspect, a method for forwarding a voice call based on MAP signaling is provided, which includes the following steps:
s11 communication terminal 1 initiates a call to communication terminal 2, where communication terminal 2 is a transfer target;
s12, after receiving the call request of communication terminal 1 to communication terminal 2, the communication gateway transmits the request to the integrated service application server;
s13 the integrated service application server receives the request, keeps the call of the communication terminal 1, and at the same time, obtains the information of the called communication terminal 2 according to the call request, determines the transfer number of the called communication terminal 2, and sends an instruction to the gateway;
s14 calls the transfer number of the communication terminal 2 by the gateway according to the instruction of the integrated service application server;
s15 turns on the voice call between communication terminal 1 and communication terminal 2.
Further, the gateway in S13 includes a communication gateway and a SIP gateway.
Further, S14 specifically includes: judging the type of the switching number according to the instruction of the integrated service application server,
s141, if the transfer number belongs to the telephone domain range, calling the transfer number of the communication terminal 2 through the communication gateway;
s142, if the forwarding number belongs to the IP domain range, calling the forwarding number of the communication terminal 2 through the SIP gateway.
In another aspect, a method for forwarding a short message based on MAP signaling is also provided, which includes the following steps:
s21, the communication terminal 1 sends a short message to the communication terminal 2, wherein the communication terminal 2 is a transfer object;
s22, the communication gateway receives the short message sent by the communication terminal 1 to the communication terminal 2, and sends the request to the integrated service application server;
s23, after receiving the request, the integrated service application server obtains the information of the communication terminal 2 according to the short message, determines the switching number of the communication terminal 2 and sends an instruction to the gateway;
s24 the gateway sends the short message sent from the communication terminal 1 to the communication terminal 2 to the transfer number according to the instruction of the integrated service application server.
Further, the gateway in S23 includes a communication gateway and a SIP gateway.
Further, S4 specifically includes: judging the type of the switching number according to the instruction of the integrated service application server,
s241, if the forwarding number belongs to the telephone domain range, sending a short message to be forwarded to the forwarding number of the communication terminal 2 through the communication gateway;
s242 sends the short message to be forwarded to the forwarding number of the communication terminal 2 through the SIP gateway if the forwarding number belongs to the IP domain range. In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.
When the system is used specifically, the powerful mobile internet and the PSTN of three operators in China are utilized, the communication gateway is used as a PSTN access carrier, the SIP gateway is used as an internet access carrier, the integrated service application server is used as a service end carrier, and the resource database is used as a data storage carrier, so that intelligent and convenient call forwarding communication service is provided for a communication terminal.
The resource database is responsible for storing user data, service data and system data, including audio files, user data, call records, short message records, system logs and the like. And managing data storage in the integrated service application server and providing required data resources for the integrated service application server.
The integrated service application server comprises a core control unit, a service management unit, a service database interface and a communication data interface. Wherein:
service database interface: the data transmission module is responsible for packaging the resource database, completing data transmission work among the core control unit, the service management unit and the resource database, providing data reading, writing and inquiring functions for the core control unit and the service management unit in a simple interface mode, receiving service requests of the core control unit and the service management unit, accessing and updating data, and returning a processing result or a data set to the request unit.
A core control unit: and the system is responsible for the service processing of the whole integrated service application server and is a service control center of the system. And finishing communication switching setting, voice switching processing, short message switching processing, switching number relation management and user data storage. And the control communication gateway and the SIP gateway finish the processing of voice and short messages, and finish the access of system data to a resource database through a service database interface.
A service management unit: the system is a management role of the switching system and is responsible for the access configuration of client information, the query and editing of service data, the statistics of data report forms, the configuration of system parameters and the like. And performing system configuration, data management and service support work for the comprehensive service application server.
A communication data interface: the system is responsible for communication data interaction with a communication gateway and an SIP gateway, receives a control instruction of a core control unit, and forwards a request of the core control unit to the communication gateway and the SIP gateway; and receiving the requests of the communication gateway and the SIP gateway, transmitting the requests to the core control unit, and completing the subsequent processing in a matching way.
The communication gateway is a channel for interaction between the system and the PSTN and is responsible for circuit domain switching service and completing voice processing work and short message processing work of the system. And completing voice calling and short message forwarding of the communication terminal according to the service instruction of the integrated service application server, receiving data transmitted from the Internet, transmitting the data to the integrated service application server, and performing subsequent service processing in a matching manner. The method comprises the following steps:
a data transmission interface: the data interaction control unit is responsible for information interaction between the communication gateway and the comprehensive service application server, receives a service request of the interaction control unit, completes data interaction through a communication data interface of the comprehensive application server, and feeds back a data interaction result to the interaction control unit for subsequent processing.
An interaction control unit: the control center as a communication gateway is responsible for controlling and cooperating with other units to complete a data interaction function and controlling a data request between a data transmission interface and the integrated service application server; and controlling the data communication unit to complete the data processing of voice and short messages.
A data communication unit: receiving a data request of the PSTN and transmitting the data request to an interactive control unit for a data interactive channel between a communication gateway and the PSTN; and receiving the instruction of the interactive control unit to complete the voice and short message communication function of the switching system.
The SIP gateway is a channel for interaction between the system and the Internet and is responsible for voice processing work and short message processing work of the IP domain of the system. And completing voice call and short message forwarding of the communication terminal according to the service instruction of the integrated service application server, receiving data transmitted by the PSTN, transmitting the data to the integrated service application server, and performing subsequent service processing in a matching manner. The SIP gateway is composed of a data transmission interface, an interaction control unit, a data coding and decoding unit and a data communication unit:
a data transmission interface: the data interaction between the SIP gateway and the integrated service application server is carried out, the data interaction between the SIP gateway and the integrated service application server is completed through a communication data unit of the integrated service application server, and the data received by the SIP gateway is transmitted to the integrated service application server; and receiving a data instruction of the integrated service application service, and feeding back a data interaction result to the interaction control unit for subsequent processing.
An interaction control unit: the control center used as the SIP gateway is responsible for and coordinates other units to complete the data interaction function and complete the data interaction request initiated by the integrated service application server, controls the data coding and decoding unit to complete the coding and decoding of the data packet, and controls the data communication unit to complete the data transmission work.
A data encoding and decoding unit: and the data processing device is responsible for encoding or decoding data packets according to the agreed protocol. Receiving the instruction of the interaction control unit, encoding the data packet sent to the data communication unit, receiving the service request of the data communication unit, and decoding the data packet transmitted from the internet.
A data communication unit: the interactive control unit is responsible for communicating with the Internet according to an appointed communication mode, finishing data transmission of voice and short message switching through the interactive control unit, and simultaneously providing original data transmitted by the Internet to the data coding and decoding unit in a uniform mode.
Through the realization of the above functional architecture, the system mainly has the following functions:
(1) the switching service processing function:
completing the switching service processing according to the user setting, receiving a service user call request, automatically finding a switching number according to the user setting, and completing the switching of contents such as conversation, short message, flash message and the like; the method comprises the steps of switching at fixed time, automatically processing a switching request for a user according to a switching period set by the user, shielding switching contents in a non-set period, and intelligently processing communication requirements of the user; the individual prompt tone setting can specify the service number as the prompt tone when the called party, provide various scenes and various individual prompt tones, and meet the use requirements of different users and different scenes.
(2) Number resource management function:
the user number relationship in the switching system is managed, the user number, the switching number and the relationship need to be recorded in the switching system after the user sets switching, the user data is intelligently stored by adopting an independent management module, the user data is quickly retrieved, the extraction speed of the switching information in the call request is improved, and the system is supported to finish the non-delay quick switching.
(3) Communication content processing function:
when someone calls or sends short message content to the transfer service user, the PSTN accesses the communication content of the transfer service user into the system, the communication content enters a core unit of the system through a communication gateway to perform service processing, finally, the call or the short message to be transferred is returned to the communication gateway or the SIP gateway according to the requested transfer information, and the gateway processes the communication content and then accesses the communication content into a transfer number through the Internet or the PSTN to complete transfer communication.
(4) Service unified access capability
The system not only provides the switching service capability for the service user, but also opens the service capability to the outside, and the enterprise client can access in a system unified constraint mode. The client can use the service capability to develop the service user.
(5) Unified authentication management function
The unified authentication management function combines the traditional account password mode and the digital certificate authentication mode, and provides a convenient and quick user login authentication function.
(6) Data statistical analysis function:
the system analyzes data on the aspects of effective quantity, activity, regional distribution, service cycle, rule and the like of the users and simultaneously uses a data visualization mode to facilitate the users to look up and analyze, so that the use is more efficient and intelligent.
(7) Business capability configuration function
The system has the advantages of flexible service capability configuration function, supporting the self-selection of service capability function of customers, meeting the user requirements of different user groups, and supporting the service functions of voice switching, message switching, personalized prompt tone, intelligent switching, call index and the like.
(8) Perfect charging and settlement function
The system automatically completes the user charging according to different client information and the service capability provided for the user, and automatically completes the settlement data report according to the parameter system such as settlement period settlement price, and the like, thereby efficiently and accurately providing data support work for settlement.
(9) The service background management function is as follows:
the service background management function provides basic service logic functions of configuration, management, recording, automatic statistical analysis and the like of services to other modules in a bottom service mode; the mobile communication terminal is responsible for connecting with various mobile communication networks to provide interactive transmission of various information; managing service data and providing various service management functions; and processing and analyzing the data in the service database to complete the functions of operation statistics, network management, customer management, user management, system management, service capability management and the like.
When the voice call forwarding is realized, the voice call forwarding is divided into double-end circuit domain voice call forwarding and single-end circuit domain voice call forwarding.
As shown in fig. 5, the voice call forwarding procedure of the circuit domain is as follows:
(1) the communication terminal 1 initiates a call to the communication terminal 2, and the call is accessed to the system;
(2) the communication gateway receives a call request of the communication terminal 1 to the communication terminal 2 and transmits the request to the integrated service application server;
(3) after receiving the request, the integrated service application server keeps the call of the communication terminal 1, and simultaneously acquires the information of the called communication terminal 2 according to the call request and determines the transfer number of the called communication terminal 2;
(4) calling the transfer number of the communication terminal 2 through the communication gateway according to the instruction of the integrated service application server;
(5) after the transfer number of the communication terminal 2 is connected, the call transfer from the communication terminal 1 to the communication terminal 2 is completed, and the voice call between the transfer number of the communication terminal 1 and the transfer number of the communication terminal 2 is connected.
As shown in fig. 6, the procedure of forwarding the voice call from the circuit domain to the IP domain is as follows:
(1) the communication terminal 1 initiates a call to the communication terminal 2, and the call is accessed to a patent system;
(2) the communication gateway receives a call request of the communication terminal 1 to the communication terminal 2 and transmits the request to the integrated service application server;
(3) after receiving the request, the integrated service application server keeps the call of the communication terminal 1, and simultaneously acquires the information of the called communication terminal 2 according to the call request and determines the transfer number of the called communication terminal 2;
(4) judging the forwarding number to be in an IP domain range according to the information, and calling the forwarding number of the called communication terminal 2 through the SIP gateway according to the instruction of the integrated service application server;
(5) after the transfer number of the called communication terminal 2 is connected, the call transfer from the communication terminal 1 to the communication terminal 2 is completed, and the voice call between the transfer number from the communication terminal 1 to the communication terminal 2 is connected.
Similarly, when performing short message forwarding, the method also includes dual-end circuit domain short message forwarding and single-end circuit domain short message forwarding.
As shown in fig. 7, the short message forwarding process of the circuit domain is as follows:
(1) the communication terminal 1 sends a short message to the communication terminal 2, and the short message is sent to a patent system;
(2) the communication gateway receives a short message sent by the communication terminal 1 to the communication terminal 2 and transmits a request to the integrated service application server;
(3) after receiving the request, the integrated service application server acquires the information of the communication terminal 2 according to the receiving object of the short message, confirms the switching number of the communication terminal 2, and sends the short message sent by the communication terminal 1 to the communication terminal 2 to the switching number;
(4) sending a short message to be forwarded to the forwarding number through the communication gateway according to the instruction of the integrated service application server;
(5) after the transfer number of the communication terminal 2 receives the short message, the short message transfer from the communication terminal 1 to the communication terminal 2 is completed, and the message sent by the communication terminal 1 is sent to the transfer number of the communication terminal 2.
As shown in fig. 8, the short message forwarding process from the circuit domain to the IP domain is as follows:
(1) the communication terminal 1 sends a short message to the communication terminal 2, and the short message is sent to a patent system;
(2) the communication gateway receives the short message from the communication terminal 1 to the communication terminal 2 and transmits the request to the integrated service application server;
(3) after receiving the request, the integrated service application server acquires the information of the communication terminal 2 according to the receiving object of the short message, confirms the switching number of the communication terminal 2, and sends the short message sent by the communication terminal 1 to the communication terminal 2 to the switching number;
(4) judging that the forwarding number is in an IP domain range according to the integrated service application server, and sending a short message to be forwarded to the forwarding number through an SIP gateway according to an instruction of the integrated service application server;
(5) after the transfer number of the communication terminal 2 receives the short message, the short message transfer from the communication terminal 1 to the communication terminal 2 is completed, and the message sent by the communication terminal 1 is sent to the transfer number of the communication terminal 2.
In summary, with the above technical solution of the present invention, the following beneficial effects can be achieved:
1. the operation is simple in the using process of a user, the switching is set through the terminal, the switching mode is started after the user is powered off, the switching mode is automatically terminated after the user is powered on, and the using process is simple;
2. the transfer function does not need to open the call transfer function, and the call transfer cost is not related in the using process of the user, so the method is economical and practical.
3. The switching function supports intelligent setting, and can configure the switching time, period, prompt tone and other contents, so that the switching service is more convenient and intelligent.
4. The switching function can realize the switching of contents such as voice switching, short messages, flash messages and the like, covers the common communication content form in a communication scene, and is good and comprehensive in use.
5. The switching capacity can realize switching between the circuit domains and switching from the circuit domain to the IP domain, and is wider in support range and convenient for users to use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A system for forwarding voice call and short message based on MAP signaling is characterized by comprising: the system comprises a communication terminal, a communication gateway, an SIP gateway, an integrated service application server and a resource database, wherein the communication terminal is connected with the communication gateway through a PSTN and is connected with the SIP gateway through the Internet;
the communication gateway is used for interacting with the PSTN, performing circuit domain switching service, finishing the voice processing work and the short message processing work of the system, and finishing the voice call and the short message forwarding of the communication terminal according to the service instruction of the comprehensive service application server; receiving data transmitted from the internet and transmitting the data to the integrated service application server;
the SIP gateway is used for interacting with the Internet, performing voice processing work and short message processing work of an IP domain, and completing voice calling and short message forwarding of the communication terminal according to a service instruction of the integrated service application server; receiving data transmitted by PSTN and transmitting to the integrated service application server, and performing subsequent service processing in cooperation;
the integrated service application server comprises a service database interface, a core control unit, a service management unit and a communication data interface; the system comprises a resource database, a communication gateway and an SIP gateway, wherein the resource database is used for storing and accessing data, performing communication data interaction with the communication gateway and the SIP gateway, sending service instructions to the communication gateway and the SIP gateway and receiving requests of the communication gateway and the SIP gateway;
the resource database is used for storing user data, service data and system data, including audio files, user data, call records, short message records and system logs, managing data storage in the integrated service application server and providing required data resources for the integrated service application server.
2. The system of claim 1, wherein the communication gateway comprises a data transmission interface, an interactive control unit and a data communication unit;
the data transmission interface is used for information interaction between the communication gateway and the integrated service application server, receiving a service request of the interaction control unit, finishing data interaction through the communication data interface of the integrated service application server, and feeding back a data interaction result to the interaction control unit;
the interaction control unit is used for controlling and coordinating other units of the communication gateway to complete data interaction and controlling a data request between the data transmission interface and the comprehensive service application server; controlling the data communication unit to complete the data processing of voice and short messages;
the data communication unit is used for data interaction between the communication gateway and the PSTN, receiving a data request of the PSTN and transmitting the data request to the interaction control unit; and receiving an instruction of the interactive control unit to complete the communication of voice and short messages.
3. The system of claim 1, wherein the SIP gateway comprises a data transmission interface, an interactive control unit, a data encoding/decoding unit, and a data communication unit;
the data transmission interface is used for data interaction between the SIP gateway and the integrated service application server, finishing the data interaction between the SIP gateway and the integrated service application server through a communication data unit of the integrated service application server, and transmitting the data received by the SIP gateway to the integrated service application server; receiving a data instruction of the integrated service application service, and feeding back a data interaction result to the interaction control unit;
the interactive control unit is used for controlling and coordinating other units of the SIP gateway to complete a data interactive function, completing a data interactive request initiated by the comprehensive service application server, controlling the data coding and decoding unit to complete coding and decoding of a data packet, and controlling the data communication unit to complete data transmission work;
the data coding and decoding unit is used for coding or decoding the data packet according to an agreed protocol, receiving an instruction of the interaction control unit, coding the data packet sent to the data communication unit, receiving a service request of the data communication unit and decoding the data packet transmitted by the Internet;
the data communication unit is used for communicating with the Internet according to an appointed communication mode, finishing data transmission of voice and short message switching through the interactive control unit, and simultaneously providing original data transmitted by the Internet to the data coding and decoding unit in a uniform mode.
4. The system of claim 1, wherein the integrated service application server comprises a service database interface, a core control unit, a service management unit and a communication data interface;
the service database interface is used for packaging the resource database, completing data transmission work among the core control unit, the service management unit and the resource database, providing data reading, writing and inquiring functions for the core control unit and the service management unit in a simple interface mode, receiving service requests of the core control unit and the service management unit, accessing and updating data, and returning a processing result or a data set to the request unit;
the core control unit is used for integrating the service processing of the service application server, completing the communication switching setting, the voice switching processing, the short message switching processing, the management of switching number relation and the storage of user data, controlling the communication gateway and the SIP gateway to complete the processing of voice and short messages, and completing the access of system data to a resource database through a service database interface;
the business management unit is used for accessing and configuring client information, inquiring and editing business data, counting data reports and configuring system parameters; the communication data interface is used for interacting with communication data of the communication gateway and the SIP gateway, receiving a control instruction of the core control unit and forwarding a request of the core control unit to the communication gateway and the SIP gateway; and receiving the requests of the communication gateway and the SIP gateway and transmitting the requests to the core control unit.
5. A voice call forwarding method based on MAP signaling is characterized by comprising the following steps:
s11 communication terminal 1 initiates a call to communication terminal 2, where communication terminal 2 is a transfer target;
s12, after receiving the call request of communication terminal 1 to communication terminal 2, the communication gateway transmits the request to the integrated service application server;
s13 the integrated service application server receives the request, keeps the call of the communication terminal 1, and at the same time, obtains the information of the called communication terminal 2 according to the call request, determines the transfer number of the called communication terminal 2, and sends an instruction to the gateway;
s14 calls the transfer number of the communication terminal 2 by the gateway according to the instruction of the integrated service application server;
s15 completes the voice call between communication terminal 1 and communication terminal 2;
wherein, the gateway in the S13 comprises a communication gateway and a SIP gateway;
s14 specifically includes: judging the type of the switching number according to the instruction of the integrated service application server,
s141, if the transfer number belongs to the telephone domain range, calling the transfer number of the communication terminal 2 through the communication gateway;
s142, if the forwarding number belongs to the IP domain range, calling the forwarding number of the communication terminal 2 through the SIP gateway.
6. A short message forwarding method based on MAP signaling is characterized by comprising the following steps:
s21, the communication terminal 1 sends a short message to the communication terminal 2, wherein the communication terminal 2 is a transfer object;
s22, the communication gateway receives the short message sent by the communication terminal 1 to the communication terminal 2, and sends the request to the integrated service application server;
s23, after receiving the request, the integrated service application server obtains the information of the communication terminal 2 according to the short message, determines the switching number of the communication terminal 2 and sends an instruction to the gateway;
s24, according to the instruction of the integrated service application server, the gateway sends the short message sent by the communication terminal 1 to the communication terminal 2 to the transfer number;
wherein, the gateway in the S23 comprises a communication gateway and a SIP gateway;
s4 specifically includes: judging the type of the switching number according to the instruction of the integrated service application server,
s241, if the forwarding number belongs to the telephone domain range, sending a short message to be forwarded to the forwarding number of the communication terminal 2 through the communication gateway;
s242 sends the short message to be forwarded to the forwarding number of the communication terminal 2 through the SIP gateway if the forwarding number belongs to the IP domain range.
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