CN100464554C - System and method for playing background sound used for public telephone exchange net - Google Patents

System and method for playing background sound used for public telephone exchange net Download PDF

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Publication number
CN100464554C
CN100464554C CNB2005101049586A CN200510104958A CN100464554C CN 100464554 C CN100464554 C CN 100464554C CN B2005101049586 A CNB2005101049586 A CN B2005101049586A CN 200510104958 A CN200510104958 A CN 200510104958A CN 100464554 C CN100464554 C CN 100464554C
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client
background sound
pstn
server
application server
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CN1741552A (en
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陆立
梁柏青
林玮平
吴恒章
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Guangdong Research Institute China Telecom Co ltd
China Telecom Corp Ltd
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GUANGDONG TELECOMMUNICATION CO Ltd INST
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Abstract

A system of playing background sound for public telephone exchange network comprises soft exchange network using SIP application server as service / application layer , soft exchange device SS as control layer , signaling gateway SG and relay gateway as wire in layer ; demand communication unit including IM server and IM client end ; public telephone exchange network PSTN ; and telephone terminal . It is featured as utilizing demand communication unit and soft exchange network element to form service system of playing background sound and interconnecting said service system with PSTN through relay and signaling gateways for realizing function of playing background sound .

Description

The system and method that is used for the broadcast background sound of public switched telephone network (PSTN)
Technical field
The present invention relates to a kind of system and method that is used for the broadcast background sound of public switched telephone network (PSTN), exactly, relate to a kind of system and method that utilizes instant communication device at public switched telephone network (PSTN) broadcast background sound, belong to the technical field of multimedia communication.
Background technology
" background sound " professional (BGM, Backgroud Music Service) is an instant background music service of conversation, in communication process, be that the called subscriber sets and play automatically the music of appointment or sound sound or expression sound as a setting promptly, to satisfy the new function or the new business of the colourful conversation demand of user by the calling subscriber.Use this business, with kith and kin, classmate or colleague's communication process in, just can select suitable background music,, be intended to build a kind of special conversation atmosphere as a first romantic song, a kind of special sound (blast of whistle of train or steamer, child's sob or laugh) etc.This business is customized by the calling subscriber, and different background sound or expression sounds can be provided according to different called subscriber's classification; The voice call background sound effect service of a kind of differentiation based on different calling and called, personalization promptly is provided.Wherein personalized conversation audio comprises multiple audio documents such as melody, music, dissimilar acoustics, personage's dialect, humors and jokes.When the friend puts through after a phone call for you, just can hear song or music that friend configures for you, the two-way transmission of background sound makes the dull uninteresting voice call of original calling and called both sides become rich and varied, warm harmony, emotional interaction, happy interesting, conveying feeling and ideas in the realization voice call.
At present, the implementation of the background sound talk business of carrying out at PSTN (Public Switched Telephony Network) network is at network side media resource apparatus to be set, and realizes sound mixing function by the media resource apparatus of network side; This background audio resource is stored in network side, is responsible for control by operator and uses.This mode is had relatively high expectations for system resource, if particularly the user needs will bring more expensive software and hardware cost in the real time modifying background sound in the PSTN communication process.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of system and method that is used for the broadcast background sound of public telephone network, this system adopts immediate communication device to realize the sound mixing function of background sound in the communication process of PSTN, and system configuration is simple, reliable operation, can activate the service rapidly, and reduce system's investment cost of network side; Background sound can also be changed easily at any time, even in communication process.
In order to achieve the above object, the invention provides a kind of system that is used for the broadcast background sound of public switched telephone network (PSTN), include: flexible exchanging network, public switched telephone network (PSTN) PSTN and telephone terminal thereof; The framework of described flexible exchanging network is: by the initial session protocol sip application server is the service/application layer, with Softswitch SS is key-course, form as Access Layer with SGW SG and the Tandem Gateway TG that is arranged among the PSTN, it is characterized in that: this system also comprises: the instant messaging IM server that is connected with sip application server, and the instantaneous communication system formed of the instant messaging IM client that is connected with the IM server by the internet; Form the operation system of playing background sound by these two immediate communication devices with the soft switch network element, set up the incidence relation of the uniform resource locator URL address of telephone terminal user's the instant communication number of IM client and this terminal Session Initiation Protocol, by the IM client this telephone terminal is realized calling out control and sound mixing function, thereby be implemented in the function of playing background sound in the communication process.
Described instant messaging IM server is used for cooperating with the IM client, finish comprise the conversation of setting up between the IM client, transmission/reception instant message, realize the presenting of User Status, the instant communication function of good friend's management, with the sip application server interactive information; Described IM client is made up of the PC that instant communication client software is installed, be used to cooperate the IM server to finish instant communication function, and the pstn telephone terminal both sides that cooperate sip application server to finish to conversation play background sound, the pstn telephone terminal both sides that converse are realized sound mixing function.
Initial session protocol sip application server in the described flexible exchanging network, information interchange by itself and instant messaging IM server, be responsible for the instant messaging IM number of IM client and the uniform resource locator URL address of initial session protocol SIP, and the storage and the conversion of corresponding relation between the pstn telephone number of binding, this application server connects Softswitch SS by session initiation protocol SIP; The controlled function of service call is finished in participation;
Described Softswitch SS calls out control and billing function for this business provides.
Described SGW SG is the functional entity that is connected across between No.7 nation-wide Network and the soft exchanging network, is responsible for signalling system No.7 message SS7 is changed or finalization process, links to each other with Softswitch SS by signaling transportation protocol SIGTRAN and transmits signaling;
Described Tandem Gateway TG is the functional entity that is connected across between PSTN net and the soft exchanging network, be responsible for termination time division multiplexing tdm repeat circuit, and, be connected and transmission information with Softswitch SS by the Packet Based Network host-host protocol with the form of media stream transition composition networking requirement; Above-mentioned SGW and Tandem Gateway are independent the settings, and perhaps both close and are made as one, depend on the needs of using with service.
Described IM client is positioned at the pstn telephone terminal use side of this system, opens operation voluntarily by the user.
In order to achieve the above object, the present invention also provides a kind of method that is used for the broadcast background sound of public telephone network, it is characterized in that: comprise the following steps:
(1) request for utilization: instant messaging telephone terminal user is to uniform resource locator URL address that an initial session protocol SIP is obtained in service provider place application, be used to set up this user's the instant messaging IM number of IM client and the incidence relation of this terminal Session Initiation Protocol URL address, this instant communication terminal can be carried out alternately with flexible exchanging network, realize service control function;
(2) binding number: IM client and instant communication server and sip application server carry out alternately, finish the binding relationship of pstn telephone number and IM client instant communication IM number, so that the call status information relevant with this pstn telephone number can be presented on this IM client, this pstn telephone is realized calling out control and sound mixing function by the IM client;
(3) make a call: initiate and finish call proceeding between caller, called both sides' the pstn telephone terminal;
(4) play background sound: the IM client sends local background sound to both call sides.
Described step (2) further comprises following operating procedure:
(21) user's application for registration user name and corresponding password on service provider place or its IM system that runs or the related system;
(22) user uses PC to be connected on the Internet, and operation IM client-side program signs in to instant communication server;
(23) user is by the related pstn telephone number of this IM client input; Send the pstn telephone number of above-mentioned association again to the IM server by this IM client;
(24) the IM server calls the corresponding relation between pstn telephone number that receives and the IM client numbers that is associated thereof and be stored in the database of sip application server by the Web with sip application server.
Related pstn telephone number comprises mobile network's mobile terminal number in the described step (23).
Described step (3) further comprises following operating procedure:
(31) user needs the called subscriber's of conversation instant messaging IM number by the selection of IM client;
(32) the IM client initiates a session request to sip application server by sip message, and the calling user information in this sip message is the instant messaging IM number of this calling subscriber's correspondence, and called user information is called subscriber's an instant messaging IM number;
(33) after sip application server is received this conversation request, earlier caller IM number translated wherein being become the URL address of the Session Initiation Protocol of pstn telephone number and calling subscriber's correspondence, is called subscriber's instant messaging IM number translated the pstn telephone number again;
(34) sip application server is by soft switch continue simultaneously this calling subscriber's pstn telephone and IM client thereof; And receiving that the calling party continues after the response message of success, initiates the conversation request of continuing called subscriber pstn telephone again by soft switch;
(35) continue after the success, the IM client has been set up the interface channel of the sound mixing function between caller, the called both sides' pstn telephone.
Described step (4) further comprises following operating procedure: the calling subscriber selects to send after selecting voice document on the IM of this locality client again, plays background sound by this IM client simultaneously to caller and called both sides; When not selecting to play the background sound function key, the IM client will be closed speech channel.
The present invention is a kind of system and method that is used for the broadcast background sound of public telephone network, its technical innovative point mainly is: utilize the sound mixing function of the IM client in the immediate communication device to realize the background sound function of pstn telephone, only need increase the network equipment of minute quantity in system side, significantly reduce the investment cost of the hardware device of network side; System configuration is very simple, has realized the application that PSTN and the Internet mutually combine, and reliable operation can activate the service rapidly; Can also change background sound easily at any time,, make user both sides during conversing, can increase, change background sound or expression sound at any time, increase the conversation enjoyment between the user even in communication process.
As everyone knows, two new business-multimedia messages and CRBT-quite popular are arranged now, wherein multimedia message is used for real-time interchange, sends multimedia message at every turn, receiving-transmitting sides almost can be in the same period perception information, but can only watch, can not exchange, link up.CRBT is a kind of unidirectional fixing interchange approach, in the use, has only the calling party just can hear, the callee can't experience the enjoyment of CRBT.The two-way transmission that the present invention plays the background sound system then can make the calling and called both sides when effectively exchanging, linking up emotion, the background sound that heighten atmosphere is arranged again is around in one's ear, has realized in the voice call conveying feeling and ideas truly.This business will be subjected to pursuing student group, fashion youth and the white collar personage's of novelty, fashion welcome, also will open up new value-added service field for operator simultaneously.
Description of drawings
Fig. 1 is the system configuration composition schematic diagram that the present invention is used for the employing immediate communication device broadcast background sound of public switched telephone network (PSTN).
Fig. 2 is the method step flow chart that the present invention is used for the employing immediate communication device broadcast background sound of public switched telephone network (PSTN).
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, introduce the system that the present invention is used for the broadcast background sound of public switched telephone network (PSTN), this system includes: flexible exchanging network, instantaneous communication system, public switched telephone network (PSTN) PSTN and telephone terminal thereof; Wherein the framework of flexible exchanging network is: by the initial session protocol sip application server is the service/application layer, is key-course with Softswitch SS, forms as Access Layer with SGW SG and the Tandem Gateway TG that is arranged among the PSTN; Instantaneous communication system then by the instant messaging IM server that is connected with this sip application server and be connected with the IM server by the internet, be positioned at terminal use's side and formed by the instant messaging IM client that the user opens operation voluntarily, form the operation system of playing background sound by these two immediate communication devices with the soft switch network element; This operation system interconnects by Tandem Gateway and SGW and PSTN, is implemented in the function of playing background sound in the communication process.
Referring to Fig. 2, introduce the operating process of method that the present invention is used for the broadcast background sound of public telephone network:
(1) request for utilization: have the instant messaging telephone terminal user who realizes the background sound function and apply for the uniform resource locator URL address that obtains an initial session protocol SIP to the service provider place, be used to set up this user's the instant messaging IM number of IM client and the incidence relation of this Session Initiation Protocol URL address, make this instant communication terminal can realize number information with the flexible exchanging network interactive communication, to realize service control function.
(2) binding number: IM client and instant communication server and sip application server carry out alternately, finish the binding relationship of pstn telephone number and IM client instant communication IM number, so that the call status information relevant with this pstn telephone number can be presented on this IM client, this pstn telephone is realized CCF by the IM client.This step (2) can be subdivided into following operating procedure again:
(21) user's application for registration user name and corresponding password on service provider place or its IM system that runs or the related system;
(22) user uses PC to be connected on the Internet, and operation IM client-side program signs in to instant communication server;
(23) user is by the related pstn telephone number of this IM client input; Send the telephone number of above-mentioned association again to the IM server by this IM client; This related pstn telephone number comprises Mobile Directory Number;
(24) the IM server calls the corresponding relation between pstn telephone number that receives and the IM client instant communication number that is associated thereof and be stored in the database of sip application server by the Web with sip application server.
(3) make a call: the conference call request that the initiation of IM client has the background sound function.This step (3) also can be subdivided into following operating procedure:
(31) user needs the called subscriber's of conversation instant messaging IM number by the selection of IM client;
(32) the IM client initiates a session request to sip application server by sip message, and the calling user information in this sip message is the instant messaging IM number of this calling subscriber's correspondence, and called user information is called subscriber's an instant messaging IM number;
(33) after sip application server is received this conversation request, earlier caller IM number translated is wherein become the URL address of the Session Initiation Protocol of pstn telephone number and calling subscriber's correspondence, again called subscriber's instant messaging IM number translated is become the pstn telephone number.
(34) sip application server is by soft switch continue simultaneously this calling subscriber's pstn telephone and IM client thereof; And continue after the response message of success receiving the calling party, initiate the conversation request of continuing called subscriber pstn telephone again by Softswitch;
(35) continue after the success, the IM client has been set up the interface channel of the sound mixing function between caller, the called both sides' pstn telephone.
(4) play background sound: the IM client sends local background sound to both call sides: the calling subscriber selects to send after selecting voice document on the IM of this locality client again, plays background sound by this IM client simultaneously to caller and called both sides; And do not selecting to play the background sound function key, the IM client will be closed speech channel.

Claims (10)

1. a system that is used for the broadcast background sound of public switched telephone network (PSTN) includes: flexible exchanging network, public switched telephone network (PSTN) PSTN and telephone terminal thereof; The framework of described flexible exchanging network is: by the initial session protocol sip application server is the service/application layer, is key-course with Softswitch SS, forms as Access Layer with SGW SG and the Tandem Gateway TG that is arranged among the PSTN; It is characterized in that: this system also comprises: the instant messaging IM server that is connected with sip application server, and the instantaneous communication system formed of the instant messaging IM client that is connected with the IM server by the internet; Form the operation system of playing background sound by these two immediate communication devices with the soft switch network element, set up the incidence relation of the uniform resource locator URL address of telephone terminal user's the instant communication number of IM client and this terminal Session Initiation Protocol, by the IM client this telephone terminal is realized calling out control and sound mixing function, thereby realize playing in the communication process function of background sound.
2. the system of broadcast background sound according to claim 1, it is characterized in that: described instant messaging IM server is used for cooperating with the IM client, finish comprise the conversation of setting up between the IM client, transmission/reception instant message, realize the presenting of User Status, the instant communication function of good friend's management, with the sip application server interactive information; Described IM client is made up of the PC that instant communication client software is installed, be used to cooperate the IM server to finish instant communication function, and the pstn telephone terminal both sides that cooperate sip application server to finish to conversation play background sound, the pstn telephone terminal both sides that converse are realized sound mixing function.
3. the system of broadcast background sound according to claim 1, it is characterized in that: the initial session protocol sip application server in the described flexible exchanging network, information interchange by itself and instant messaging IM server, be responsible for the instant messaging IM number of IM client and the uniform resource locator URL address of initial session protocol SIP, and the storage and the conversion of corresponding relation between the pstn telephone number of binding, this application server connects Softswitch SS by session initiation protocol SIP, participates in finishing the controlled function of service call;
Described Softswitch SS calls out control and billing function for this business provides.
4. the system of broadcast background sound according to claim 1, it is characterized in that: described SGW SG is the functional entity that is connected across between No.7 nation-wide Network and the soft exchanging network, be responsible for signalling system No.7 message SS7 is changed or finalization process, link to each other with Softswitch SS by signaling transportation protocol SIGTRAN and transmit signaling;
Described Tandem Gateway TG is the functional entity that is connected across between PSTN net and the soft exchanging network, be responsible for termination time division multiplexing tdm repeat circuit, and, be connected and transmission information with Softswitch SS by the Packet Based Network host-host protocol with the form of media stream transition composition networking requirement; Above-mentioned SGW and Tandem Gateway are independent the settings, and perhaps both close and are made as one, depend on the needs of using with service.
5. the system of broadcast background sound according to claim 2 is characterized in that: described IM client is positioned at the pstn telephone terminal use side of this system, opens operation voluntarily by the user.
6. a method that is used for the broadcast background sound of public telephone network is characterized in that: comprise the following steps:
(1) request for utilization: instant messaging telephone terminal user is to uniform resource locator URL address that an initial session protocol SIP is obtained in service provider place application, be used to set up this user's the instant messaging IM number of IM client and the incidence relation of this terminal Session Initiation Protocol URL address, this instant communication terminal can be carried out alternately with flexible exchanging network, realize service control function;
(2) binding number: IM client and instant communication server and sip application server carry out alternately, finish the binding relationship of pstn telephone number and IM client instant communication IM number, so that the call status information relevant with this pstn telephone number can be presented on this IM client, this pstn telephone is realized calling out control and sound mixing function by the IM client;
(3) make a call: initiate and finish call proceeding between caller, called both sides' the pstn telephone terminal;
(4) play background sound: the IM client sends local background sound to both call sides.
7. the method for broadcast background sound according to claim 6 is characterized in that: described step (2) further comprises following operating procedure:
(21) user's application for registration user name and corresponding password on service provider place or its IM system that runs or the related system;
(22) user uses PC to be connected on the Internet, and operation IM client-side program signs in to instant communication server;
(23) user is by the related pstn telephone number of this IM client input; Send the pstn telephone number of above-mentioned association again to the IM server by this IM client;
(24) the IM server calls the corresponding relation between pstn telephone number that receives and the IM client numbers that is associated thereof and be stored in the database of sip application server by the Web with sip application server.
8. the method for broadcast background sound according to claim 7 is characterized in that: related pstn telephone number comprises mobile network's mobile terminal number in the described step (23).
9. the method for broadcast background sound according to claim 6 is characterized in that: described step (3) further comprises following operating procedure:
(31) user needs the called subscriber's of conversation instant messaging IM number by the selection of IM client;
(32) the IM client initiates a session request to sip application server by sip message, and the calling user information in this sip message is the instant messaging IM number of this calling subscriber's correspondence, and called user information is called subscriber's an instant messaging IM number;
(33) after sip application server is received this conversation request, earlier caller IM number translated wherein being become the URL address of the Session Initiation Protocol of pstn telephone number and calling subscriber's correspondence, is called subscriber's instant messaging IM number translated the pstn telephone number again;
(34) sip application server is by soft switch continue simultaneously this calling subscriber's pstn telephone and IM client thereof, and continues after the response message of success receiving the calling party, again by the soft switch conversation request of called pstn telephone of initiating to continue;
(35) continue after the success, the IM client has been set up the interface channel of the sound mixing function between caller, the called both sides' pstn telephone.
10. the method for broadcast background sound according to claim 6, it is characterized in that: described step (4) further comprises following operating procedure: the calling subscriber is after selecting voice document on the IM of this locality client, select again to send, play background sound simultaneously to caller and called both sides by this IM client; When not selecting to play the background sound function key, the IM client will be closed speech channel.
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CN102724214B (en) * 2012-07-04 2015-04-29 上海华东电脑股份有限公司 Calling device and method and device for establishing conversation based on instant messaging (IM) client-side
CN106411827A (en) * 2015-08-04 2017-02-15 刘志超 User contact information protection method of mobile application field
CN109150768B (en) * 2018-09-21 2020-07-28 上海沪光通讯设备有限公司 Multimedia scheduling system
CN113905023B (en) * 2021-08-25 2024-02-27 贝壳找房(北京)科技有限公司 Outbound system and method based on webpage instant messaging technology

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030078979A1 (en) * 2001-10-22 2003-04-24 Motorola, Inc. Method and apparatus for controlling an intelligent device through an instant messaging protocol over a communication network
WO2004059417A2 (en) * 2002-12-27 2004-07-15 Nokia Corporation Method and system for facilitating instant messaging transactions between disparate service providers
CN1661963A (en) * 2004-02-26 2005-08-31 腾讯科技(深圳)有限公司 Method and system of ring tone service in use for implementing instant communication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030078979A1 (en) * 2001-10-22 2003-04-24 Motorola, Inc. Method and apparatus for controlling an intelligent device through an instant messaging protocol over a communication network
WO2004059417A2 (en) * 2002-12-27 2004-07-15 Nokia Corporation Method and system for facilitating instant messaging transactions between disparate service providers
CN1661963A (en) * 2004-02-26 2005-08-31 腾讯科技(深圳)有限公司 Method and system of ring tone service in use for implementing instant communication

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