CN101304458A - Telephone fee display-immediately implementing method, soft switching device and application server - Google Patents

Telephone fee display-immediately implementing method, soft switching device and application server Download PDF

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Publication number
CN101304458A
CN101304458A CNA2007101017809A CN200710101780A CN101304458A CN 101304458 A CN101304458 A CN 101304458A CN A2007101017809 A CNA2007101017809 A CN A2007101017809A CN 200710101780 A CN200710101780 A CN 200710101780A CN 101304458 A CN101304458 A CN 101304458A
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CN
China
Prior art keywords
switching equipment
conversation
terminal
application server
ngn
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Granted
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CNA2007101017809A
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Chinese (zh)
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CN101304458B (en
Inventor
胡海华
袁洪锦
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN200710101780A priority Critical patent/CN101304458B/en
Priority to PCT/CN2008/070094 priority patent/WO2008138234A1/en
Publication of CN101304458A publication Critical patent/CN101304458A/en
Application granted granted Critical
Publication of CN101304458B publication Critical patent/CN101304458B/en
Expired - Fee Related legal-status Critical Current
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/83—Notification aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/83—Notification aspects
    • H04M15/84—Types of notifications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/83—Notification aspects
    • H04M15/85—Notification aspects characterised by the type of condition triggering a notification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/83—Notification aspects
    • H04M15/85—Notification aspects characterised by the type of condition triggering a notification
    • H04M15/851—Determined tariff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/81—Notifying aspects, e.g. notifications or displays to the user
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/81—Notifying aspects, e.g. notifications or displays to the user
    • H04M2215/8129—Type of notification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/81—Notifying aspects, e.g. notifications or displays to the user
    • H04M2215/815—Notification when a specific condition, service or event is met
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/82—Advice-of-Charge [AOC], i.e. notify subscriber of charges/cumulative charge; meter at the substation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention discloses a charge immediate-shown realization method that relates to the communication field, which comprises: in the next generation network, after a conversation is established, a terminal sends a message of the charge immediate-shown request of the conversation to a soft switch, and then the soft switch transmits the message of the charge immediate-shown request to an application server; the application server sends result information of charging of the conversion to the soft switch after the conversation is over; the soft switch sends the result information of charging to the terminal; the terminal analyzes and displays the received result information of charging. The charge immediate-shown realization method of the invention can avoid an extra signaling spending between the NGN terminal and the AS of the NGN and reduces the processing load between the NGN terminal and the AS of the NGN.

Description

Advice of Charge at the End of Conversation implementation method, terminal, Softswitch and application server
Technical field
The present invention relates to the Advice of Charge at the End of Conversation business in the communications field, especially relate to a kind of Advice of Charge at the End of Conversation implementation method, and corresponding terminal, Softswitch and application server.
Background technology
Next generation network (NGN, Next Generation Network), be based on Circuit-switched public switched telephone network (PSTN) (PSTN, Public Switched Telephone Network), public land mobile radio communication (PLMN, Public Land Mobile Network) etc. circuit-switched network and based on the product that the IP network of packet switching merges has been carried out integrated services such as voice, video and data at present in the NGN network.The NGN network using is unified has service quality (QoS, Quality of Service) the IP/ multiprotocol label switching (MPLS of ability, Multi-Protocol Label Switching) bearer network is supported miscellaneous service, its core network component is the soft switch with packet switching control ability, its call control protocol is Session initiation Protocol (SIP, Session Initiation Protocol).Wherein the NGN network inserts traditional circuit-switched network respectively by SGW, Tandem Gateway, thereby realizes Speech Communication.
As shown in Figure 1, for the upright network system that shows of the existing NGN of realization terminal charge is formed structured flowchart, wherein NGN terminal (as NGN terminal 1 among the figure and NGN terminal 2) is directly carried out interacting message by proprietary protocol and NGN application server (AS, Application Server).The NGN terminal needs at first to register to NGN AS before calling, and keeps the heartbeat handshake information with NGN AS all the time during call setup, and is needing to nullify processing behind the end of calling to NGN AS.
As shown in Figure 2, for on network system shown in Figure 1, realizing the upright processing procedure schematic diagram that shows of NGN terminal charge, wherein behind call setup, the NGN terminal is stood to NGN AS transmitting calling charge by the communication link of setting up based on proprietary protocol and is shown request message, carries (step 1) such as calling subscriber, called user information and call identification information thereof in this request message; After Waiting for Call finishes, NGNAS deducts fees to this call conversation after the call list processing, by and terminal between the communication link set up to NGN terminal feedback call log, comprise (steps 2) such as call identification, calling user information, called user information, conversation time started, duration and cost of the phone call information thereof in the call log that is fed back; The NGN terminal shows the purpose that can realize Advice of Charge at the End of Conversation with the information analysis that comprises in the call log that receives.
But the present inventor finds according to the upright processing mode that shows of above-mentioned NGN terminal charge, the communication link that needs the NGN terminal to set up based on proprietary protocol, before calling, at first to NGN AS, register, and during call setup, keep the heartbeat handshake information with NGN AS all the time, and to NGNAS, nullifying processing again behind the end of calling, the overhead that will inevitably cause signaling link between NGN terminal and the NGNAS like this, the processing that also can increase NGN terminal and NGN AS is simultaneously loaded.
Summary of the invention
The embodiment of the invention provides a kind of Advice of Charge at the End of Conversation implementation method, to avoid the extra signaling consumption between NGN terminal and the NGN AS, reduces the processing load of NGN terminal and NGN AS.
Correspondingly, the embodiment of the invention also provides a kind of terminal based on NGN, Softswitch and application server thereof.
The embodiment of the invention provides a kind of Advice of Charge at the End of Conversation implementation method, comprise step: in next generation network, terminal will send to switching equipment to the Advice of Charge at the End of Conversation request message of this conversation after conversation is set up, by described switching equipment the Advice of Charge at the End of Conversation request message is transmitted to application server; Described application server will be issued to described switching equipment to the object information that this communication process charges, and by described switching equipment charging result information will be handed down to described terminal; Described terminal is resolved demonstration with the charging result information that receives.
Accordingly, the embodiment of the invention provides a kind of terminal based on next generation network, comprises the request message transmitting element, is used for will sending to switching equipment to the Advice of Charge at the End of Conversation request message of this conversation after conversation is set up; The charging result receiving element is used to receive the charging result information that described switching equipment issues; And charging result parsing display unit, be used for the charging result information that described charging result receiving element receives is resolved demonstration.
Accordingly, the embodiment of the invention provides a kind of Softswitch based on next generation network, comprises the request message retransmission unit, and the Advice of Charge at the End of Conversation request message that is used for terminal is sent is transmitted to application server; And the charging result retransmission unit, be used for application server issue at described Advice of Charge at the End of Conversation request message, the charging result information that communication process is chargeed is transmitted to terminal.
Accordingly, the embodiment of the invention provides a kind of application server based on next generation network, comprises the request message receiving element, is used to receive the Advice of Charge at the End of Conversation request message that switching equipment is sent; Charging Detail Record unit is used for the Advice of Charge at the End of Conversation request message that receives according to described request message sink unit, and communication process is chargeed; Charging result issues the unit, is used for the charging result information of described Charging Detail Record unit is issued to switching equipment.
The embodiment of the invention also provides a kind of value-added service treatment system based on next generation network, comprise terminal, switching equipment and application server, terminal wherein, be used for sending value-added service and handle request message, and receive the value-added service processing result information that switching equipment issues to switching equipment; Switching equipment, the value-added service that is used for that terminal is sent is handled request message and is transmitted to application server, and the value-added service processing result information that application server is sent is transmitted to terminal; Application server, be used to receive the value-added service processing request message that switching equipment is sent, and handle request message according to the value-added service that receives and handle the value-added service processing result information that obtains correspondence, and the value-added service processing result information that obtains is issued to switching equipment.
The embodiment of the invention is in the NGN network, by utilize between NGN terminal and the switching equipment, existing SIP link between switching equipment and the NGNAS, come Advice of Charge at the End of Conversation request message mutual between transparent transmission NGN terminal and the NGNAS and carry the conversation log information of calling charge information by soft switch, thereby can realize that the NGN terminal need not again and NGN AS between rebulid the IP link, also can reach the upright purpose that shows of NGN terminal charge, therefore avoided the extra signaling consumption between NGN terminal and the NGN AS, the corresponding processing load that has also reduced NGN terminal and NGNAS.
Description of drawings
Be elaborated to the specific implementation process of technical solution of the present invention and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing, in each accompanying drawing:
Fig. 1 forms structured flowchart for the upright network system that shows of the existing NGN of realization terminal charge;
Fig. 2 realizes the upright processing procedure schematic diagram that shows of NGN terminal charge on network system shown in Figure 1;
Fig. 3 forms structured flowchart for the embodiment of the invention realizes the system of Advice of Charge at the End of Conversation;
Fig. 4 is the concrete composition structured flowchart of terminal, switching equipment and application server in the embodiment of the invention system;
Fig. 5 is the process chart of embodiment of the invention Advice of Charge at the End of Conversation implementation method;
Fig. 6 is the specific implementation process schematic diagram of Advice of Charge at the End of Conversation implementation method embodiment of the present invention.
Embodiment
Because at present in the NGN network, the NGN terminal is after succeeding in registration on the switching equipment, can regularly initiate heartbeat message to switching equipment, after switching equipment returns corresponding response result, promptly kept a SIP link between the both sides, and also exist corresponding SIP link between switching equipment and the NGN AS, the technical scheme of the embodiment of the invention just is being based on these characteristics, proposition is after conversation is set up successfully, transmit Advice of Charge at the End of Conversation request mutual between terminal and the NGNAS and telephone expenses object information by the SIP link that the switching equipment utilization has been set up, thereby realize the Advice of Charge at the End of Conversation function of NGN terminal, avoid extra signaling link expense between NGN terminal and the NGN AS with this, can reduce the processing load of NGN terminal and NGN AS in addition.
As shown in Figure 3, the system that realizes Advice of Charge at the End of Conversation for the embodiment of the invention forms structured flowchart, it comprises NGN terminal, NGN switching equipment and NGN AS, the NGN terminal is used for after conversation is set up, by and the NGN switching equipment between the SIP link set up will send to switching equipment to the Advice of Charge at the End of Conversation request message that should converse, the NGN switching equipment by and NGN AS between the SIP link set up Advice of Charge at the End of Conversation request message that the NGN terminal is sent be transmitted to NGN AS (the up processing procedure shown in the figure).NGNAS is according to the Advice of Charge at the End of Conversation request message that receives, this communication process is chargeed, and charging result information is handed down to the NGN switching equipment, be transmitted to the NGN terminal by the NGN switching equipment and then with the charging result information that receives, terminal is resolved demonstration to the charging result information that receives again, can realize the purpose (the downlink processing process shown in the figure) of Advice of Charge at the End of Conversation.Wherein NGN AS can carry out the primary charging processing to this communication process every the stipulated time, and charging result information is handed down to the NGN switching equipment, can certainly take after this communication process finishes, again this communication process to be chargeed, and final charging result information is handed down to the NGN switching equipment, if NGN AS issues charging result information when communication process does not finish, then can directly issue based on the SIP link of in this communication process, setting up, if and when communication process finishes, issue charging result information again, then need to adopt the outer link of new link connection or other session to issue.
As shown in Figure 4, be terminal in the embodiment of the invention system, the concrete composition structured flowchart of switching equipment and application server, wherein the NGN terminal comprises request message transmitting element 101, be used for after conversation is set up, to send to switching equipment to the Advice of Charge at the End of Conversation request message of this conversation based on the SIP link of having set up at this conversation, wherein the Advice of Charge at the End of Conversation request message that sends of this request message transmitting element 101 can but be not limited to and carry SIP INFO in the session of the call record sign that should converse, or carry the MESSAGE message of the call record sign that should converse etc.; Charging result receiving element 102 is used to receive the charging result information that switching equipment issues; And charging result parsing display unit 103, be used for that the charging result information that above-mentioned charging result receiving element 102 receives is resolved demonstration and handle.
Comprise request message retransmission unit 201 in the NGN switching equipment, be used for that the Advice of Charge at the End of Conversation request message that terminal is sent is transmitted to NGN AS based on the SIP link of having set up at communication process; And charging result retransmission unit 202, be used for NGNAS issue at this Advice of Charge at the End of Conversation request message, the charging result information that communication process is chargeed is transmitted to the NGN terminal.If NGN AS issues charging result information when communication process does not finish, then charging result retransmission unit 202 SIP link that charging result information has been set up based on communication process is handed down to the NGN terminal, if and NGN AS issues charging result information when communication process finishes, then charging result retransmission unit 202 need be handed down to the NGN terminal based on new link connection or the outer link of other session with charging result information.
Comprise request message receiving element 301 among the NGN AS, be used to receive the Advice of Charge at the End of Conversation request message that switching equipment is sent; Charging Detail Record unit 302, be used for the Advice of Charge at the End of Conversation request message that receives according to above-mentioned request message receiving element 301, to the communication process processing of chargeing, wherein Charging Detail Record unit 302 can carry out primary charging to communication process every the stipulated time, to obtain the calling charge information of different periods in the communication process, perhaps finish the back to the communication process processing of chargeing, to obtain the final charging result information of this communication process at communication process; Charging result issues unit 303, is used for the charging result information of above-mentioned Charging Detail Record unit 302 is issued to switching equipment.
As shown in Figure 5, process chart for embodiment of the invention Advice of Charge at the End of Conversation implementation method, wherein in the NGN network, terminal is after conversation is set up, to send to switching equipment to the Advice of Charge at the End of Conversation request message of this conversation, this Advice of Charge at the End of Conversation request message will be transmitted to application server (step 10) by switching equipment; Application server will be issued to switching equipment to the object information that this communication process charges according to the Advice of Charge at the End of Conversation request message that receives, and by switching equipment this charging result information will be handed down to terminal (step 20); By terminal the charging result information that receives is resolved demonstration (step 30).
Wherein the switching equipment in the NGN network is generally Softswitch, but can also be IP Multimedia System (IMS, IP Multimedia Subsystem) call conversation control function entity (CSCF in, Call Session Control Function), the following embodiment of the present invention is that Softswitch is that example is described in detail the present invention program's principle with the switching equipment, wherein the realization principle about the realization principle of CSCF and soft switch is similar, no longer gives here too much to give unnecessary details.
Because the link of setting up between NGN terminal and the NGN soft switch is based on Session Initiation Protocol, by the SIP link of setting up, the NGN terminal can be implemented to the NGN soft switch and register, nullifies processing, and and the NGN soft switch between mutual heartbeat message and call-signaling message.Embodiment of the invention technical scheme considers that here the agreement that can carry body information in Session Initiation Protocol has SIP INFO and SIP MESSAGE message, and the SIP INFO has been given definition in the RFC3261 standard criterion, therefore the SIP INFO is adopted in suggestion in the embodiment of the invention technical scheme, realizes by soft switch transparent transmission NGN terminal to interactive messages the NGN AS.In like manner, MESSAGE message also can be used as the bearing protocol of NGN terminal by interaction message between soft switch and the NGN AS, therefore also can adopt SIP MESSAGE message in the embodiment of the invention technical scheme, realize by soft switch transparent transmission NGN terminal to interactive messages the NGNAS.
Like this, the NGN terminal is after setting up with incoming call, the call record of this conversation sign can be carried in the session in the SIP INFO, to send to the NGN soft switch as the Advice of Charge at the End of Conversation request message, the call record sign of this conversation can certainly be carried in the SIP MESSAGE message, send to the NGN soft switch as the Advice of Charge at the End of Conversation request message.
Usually NGN AS can be carried on the object information that this communication process is chargeed in the conversation log information and pass through the NGN terminal by the NGN soft switch, except that comprising cost of the phone call information, also comprise information such as message registration sign, dialing number information, called number information, conversation time started and call duration thereof in the conversation log information that wherein issues.Because when NGNAS issues the conversation log information, communication process finishes, therefore so the respective call link of setting up between NGN terminal and the soft switch also is released, at this moment NGN AS can be carried on the conversation log information in the outer SIP INFO of session or be carried in the SIP MESSAGE message and passes through the NGN terminal by soft switch.Wherein NGNAS can describe the content of conversation log information based on extend markup language (XML).
Based on system architecture shown in Figure 3, be that example is described how interactive messages content between transparent transmission NGN terminal and the NGN AS of soft switch with SIP INFO agreement, specific as follows:
1.NGN terminal is at first registered in soft switch, and then sends the SIP INFO to soft switch, correspondingly, soft switch need judge whether the SIP INFO is to send from the IP address of (From) number registration.
2.NGN terminal only need dispose the IP address of soft switch, can further know the IP address of NGNAS; When the NGN terminal sends INFO to NGN AS, only need send to the soft switch of registration.
3. after soft switch received the SIP INFO that the NGN terminal sends, which NGNAS was the NGNAS access code information that comprises among the Request URI that can carry according to this message determine to be forwarded to.
When 4.NGN AS sends the INFO that carries the conversation log information to the NGN terminal, NGNAS sends to soft switch to INFO earlier, the dialing number information that comprises among the Request URI that soft switch can be carried according to this message is forwarded to INFO on the NGN terminal of IP address designation of the corresponding registration of this number.NGN AS does not just need to know the registered address information of NGN terminal like this, if the NGN terminal is not registered in soft switch, soft switch can be returned error code to NGN AS after receiving the INFO that NGN AS sends.
The soft switch transparent transmission by comprising following SIP element: From, To, Content Type in the INFO mutual between NGN terminal and the NGN AS usually, Content Length, Status Code, Body, soft switch can will not have the INFO of Body to do discard processing.
Here mutual SIP INFO content can be unified to adopt the UTF-8 coded system between NGN terminal and the NGN AS, and can adopt the base64 algorithm that the transmission content is encrypted in the transmission course.
Wherein the terminal called of NGN calling terminal calling can be various types of terminals such as NGN terminal, PSTN terminal, GSM terminal and CDMA terminal thereof, in embodiments of the present invention for various types of terminal calleds, its signaling process flow process is similar substantially, does not elaborate at this.
As shown in Figure 6, be the specific implementation process schematic diagram of Advice of Charge at the End of Conversation implementation method embodiment of the present invention, its specific implementation process is as follows:
After the conversation of calling terminal and terminal called is set up successfully, the NGN calling terminal will send to corresponding soft switch (SoftSwitch) to the Advice of Charge at the End of Conversation request message of this conversation, and wherein the NGN terminal can will carry SIP INFO in the session of the call record sign that should converse as the Advice of Charge at the End of Conversation request message.Promptly after the conversation between NGN calling terminal and the terminal called was set up, the NGN calling terminal is SIP INFO in SoftSwitch sends a session initiatively, carried the call record sign of this conversation; Soft switch is transmitted to NGN AS with SIP INFO in this session.Wherein the NGN terminal is as follows to the particular content of the SIP INFO of SoftSwitch transmission:
INFO Sip：44182@10.75.35.161；user＝phone SIP/2.0
Via:SIP/2.0/UDP 10.70.106.82:5060；branch＝z9hG4bK3883054875
From:<Sip:075589834250@10.75.35.161；user＝phone>；tag＝1451640803
To:<sip:075589834251@10.75.35.161；user＝phone>
Call-ID:2585671374@10.70.106.82
CSeq:38INFO
Max-Forwards:5
User-Agent:Flexit Softphone v 1.0
Subject:Client Request
Allow:INVITE，ACK，CANCEL，BYE，OPTIONS，REFER，SUBSCRIBE，NOTIFY，MESSAGE，INFO
Content-Type:text/xml
Content-Length:302
<inf>
＜callRecordID〉e9b3b880-33f8-4b0b-97cb-8a48e711266b＜/callRecordID〉---call record sign
</inf>
Parameter declaration:
Parameter Type Essential/optional Explanation
callRecordID String Essential Call record sign (its unicity is guaranteed by the NGN terminal)
NGN AS receives in the session that the NGN calling terminal comes by the SoftSwitch transparent transmission behind the SIP INFO request message, to SoftSwitch feedback 200OK message, gives the NGN calling terminal by SoftSwitch with the 200OK message feedback that NGN AS issues.Wherein message body (Body) content is empty in the 200OK message of NGN AS feedback, and the 200OK message particular content of its feedback is as follows:
SIP/2.0200OK
From:<sip:075589834250@10.75.35.161；user＝phone>；tag＝1451640803
To:<sip:075589834251@10.75.35.161；user＝phone>；tag＝db2ccb77
CSeq:38INFO
Call-ID:2585671374@10.70.106.82
Via:SIP/2.0/UDP 10.70.106.82:5060；branch＝z9hG4bK3883054875；rport＝5060
The Content-Length:0-------------message content is empty
Content-Type:text/xml
After communication process finishes, take out stitches between calling terminal and the terminal called, at this moment NGN AS charges behind the call list to this communication process, initiatively call record is identified, dialing number information, called number information, call out the time started, the conversation log information of compositions such as call duration and charging result information sends to SoftSwitch by the outer SIP INFO of session, and then pass through the NGN calling terminal by the outer SIP INFO of this session that SoftSwitch issues NGN AS, wherein NGN AS can describe the conversation log information based on the XML language.It is as follows that wherein NGNAS is handed down to the particular content of the outer SIPINFO message of session of SoftSwitch:
INFO sip:075589834250@10.70.106.82:5060；user＝phone SIP/2.0
From:<sip:44182@10.70.106.82；user＝phone>；tag＝a942ee1b
To:<sip:89834250@10.70.106.82；user＝phone>
CSeq:1INFO
Call-ID:SBCSBC56bc3b94cb92f4a0f32d32242fd7c5b9@59.37.73.1
Via:SIP/2.0/UDP 10.75.35.161:5060；branch＝z9hG4bK3503ed18b
Max-Forwards:70
Contact:<sip:44182@10.75.35.161:5060；user＝phone>
Content-Length:137
Content-Type:text/xml
<inf>
＜callRecordID〉e9b3b880-33f8-4b0b-97cb-8a48e711266b＜/callRecordID〉--the call record sign
＜caller〉89834250＜/caller〉----------------------calling number
＜callee〉89834251＜/callee〉----------------------called number
＜beginTime〉20061230135530＜/beginTime〉--------------calls out the time started
＜callDuration〉300＜/------------------------call duration
＜fee〉150＜/fee〉--------------------------cost of the phone call
</inf>
Parameter declaration:
Parameter Type Essential/optional Explanation
callRecordID String Optional The call record sign, this is identified at conversation beginning back and passes through NGN AS by the NGN calling terminal by SoftSwitch
caller String Optional Calling number
callee String Optional Called number
beginTime String Optional The conversation time started, form is specially (YYYYMMDDHHMMSS)
callDuration String Optional Call duration
fee String Optional Cost of the phone call
The From number mark that carries in the outer SIP INFO of this session that SoftSwitch issues according to NGN AS, find the corresponding communication link of the NGN calling terminal that is registered in SoftSwitch, and the outer SIP INFO of this session is transmitted to the NGN calling terminal by this communication link that finds.
After the NGN calling terminal is decoded by the message content based on the XML description in the body message body in the next SIP INFO of SoftSwitch transparent transmission to NGN AS, be identified at the correct detail record information that shows this conversation on the display interface according to call record, thereby realized the function of NGN calling terminal Advice of Charge at the End of Conversation.
The NGN calling terminal receives NGN AS and converses after the log information by the SoftSwitch transparent transmission, returns 200OK message and gives SoftSwitch, 200 OK message that SoftSwitch will receive and then pass through NGN AS.Wherein message body (Body) content is empty in the 200 OK message of NGN calling terminal feedback, and the 200OK message particular content of its feedback is as follows:
SIP/2.0200OK
Via:SIP/2.0/UDP 10.75.35.161:5060；branch＝z9hG4bK3503ed18b
From:<sip:44182@10.70.106.82；user＝phone>；tag＝a942ee1b
To:<sip:89834250@10.70.106.82；user＝phone>；tag＝3317198443
Call-ID:SBCSBC56bc3b94cb92f4a0f32d32242fd7c5b9@59.37.73.1
CSeq:1INFO
Allow:INVITE，ACK，OPTIONS，CANCEL，BYE，SUBSCRIBE，NOTIFY，MESSAGE，INFO
The Content-Length:00-------------------message content is empty
In the concrete processing procedure of the foregoing description, the message by the soft switch transparent transmission between NGN terminal and the NGN AS can also be based on SIP MESSAGE messaging protocol, and specific implementation process is similar with the realization principle of above-mentioned embodiment, no longer too much gives unnecessary details here.
This shows, the Advice of Charge at the End of Conversation implementation that adopts the embodiment of the invention to propose, with helpfulness specific as follows:
Adopt embodiment of the invention Advice of Charge at the End of Conversation implementation, the NGN terminal need not to register, nullify processing to NGN AS, and and NGNAS keep heartbeat message, only need be maintained in the Session Initiation Protocol link of having set up with soft switch in the communication process gets final product, therefore can reduce the processing load of NGN AS and NGN terminal preferably, save the systematic function expense.
Adopt embodiment of the invention Advice of Charge at the End of Conversation implementation, the NGN terminal can utilize and soft switch between the SIP link and the NGN AS that have existed realize Advice of Charge at the End of Conversation alternately, and need not the extra IP link that increases by to NGN AS, thereby it is simple to make Advice of Charge at the End of Conversation realize, system maintenance easy has strengthened the extensibility and the flexibility of system.
Adopt embodiment of the invention Advice of Charge at the End of Conversation implementation, the NGN terminal does not need initiatively to register to NGN AS, so the IP address of NGNAS changes and do not need the configuration to the NGN terminal to change, and therefore can avoid this part maintenance workload.
Adopt embodiment of the invention Advice of Charge at the End of Conversation implementation, NGN AS is as the intelligent platform of NGN network, and only existing link gets final product between needs maintenance and the soft switch, need not again towards all NGN terminals, therefore NGNAS risk under fire, the fail safe that has improved system have been reduced.
In addition, if the content based on the XML description to the carrying of sip message agreement is expanded, system embodiment of the present invention can also be applied in other value-added services, as NGN terminal instant messaging, short message service and PIM business etc. thereof, therefore the embodiment of the invention also proposes following value-added service treatment system based on the NGN network, comprise the NGN terminal, switching equipment and NGN AS (specifically forming structure) referring to above-mentioned shown in Figure 3, NGN terminal wherein, be used for sending value-added service processing request message, and receive the value-added service processing result information that switching equipment issues to the switching equipment of correspondence; Switching equipment, the value-added service that is used for that the NGN terminal is sent is handled request message and is transmitted to NGN AS, and the value-added service processing result information that NGN AS sends is transmitted to corresponding NGN terminal; NGN AS, be used to receive the value-added service processing request message that Softswitch is sent, and handle request message according to the value-added service that receives and handle the value-added service processing result information that obtains correspondence, and the value-added service processing result information that obtains is issued to switching equipment.
A more excellent realization aspect, in the system after above-mentioned expansion, NGNAS can describe based on the XML language by the value-added service processing result information that switching equipment passes through the NGN terminal; Wherein value-added service processing request message preferably can be the Advice of Charge at the End of Conversation request message, and corresponding value-added service processing result information can be charging result information.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (21)

1, a kind of Advice of Charge at the End of Conversation implementation method is characterized in that, comprises step:
In next generation network, terminal will send to switching equipment to the Advice of Charge at the End of Conversation request message of this conversation after conversation is set up, by described switching equipment the Advice of Charge at the End of Conversation request message is transmitted to application server;
The Advice of Charge at the End of Conversation request message that application server reception switching equipment sends, described Advice of Charge at the End of Conversation request is set up the Advice of Charge at the End of Conversation request of back to this conversation of switching equipment initiation by terminal in conversation;
Described application server will be issued to described switching equipment to the object information that this communication process charges, and by described switching equipment charging result information will be handed down to described terminal;
Described terminal shows calling charge information according to the charging result information that receives.
2, the method for claim 1 is characterized in that, described Advice of Charge at the End of Conversation request message is to carry SIP INFO in the session that the call record that converse is identified; Or
For carrying MESSAGE message to the call record sign that should converse.
3, the method for claim 1 is characterized in that, described application server carries out primary charging every the stipulated time to this communication process, and charging result information is handed down to described switching equipment.
4, the method for claim 1 is characterized in that, described application server finishes the back at this communication process this communication process is chargeed, and charging result information is handed down to described switching equipment.
5, the method for claim 1 is characterized in that, described application server is issued to switching equipment with the charging result information-bearing in the conversation log information, and the conversation log information that described switching equipment will carry charging result is handed down to terminal.
6, method as claimed in claim 5, it is characterized in that, the described application server log information of will conversing is carried in the outer SIP INFO of session and is issued to switching equipment, and the outer SIP INFO of session that described switching equipment will carry the conversation log information is handed down to terminal.
7, method as claimed in claim 5, it is characterized in that, the described application server log information of will conversing is carried in the outer SIP MESSAGE message of session and is issued to switching equipment, and the outer SIP MESSAGE message of session that described switching equipment will carry the conversation log information is handed down to terminal.
8, method as claimed in claim 5 is characterized in that, described application server is described the conversation log information based on extend markup language.
9, as the described method of 1～8 any claim, it is characterized in that described switching equipment is a Softswitch; Or
Be the call session control functional entity device in the IP Multimedia System.
10, a kind of terminal based on next generation network is characterized in that, comprising:
The request message transmitting element is used for will sending to switching equipment to the Advice of Charge at the End of Conversation request message of this conversation after conversation is set up;
The charging result receiving element is used to receive the charging result information that described switching equipment issues; And
The charging result display unit is used for the charging result information that described charging result receiving element receives is shown.
11, terminal as claimed in claim 10 is characterized in that, the Advice of Charge at the End of Conversation request message that the described request message sending unit sends is to carry SIPINFO message or MESSAGE message in the session that the call record that converse is identified.
12, a kind of switching equipment based on next generation network is characterized in that, comprising:
The request message retransmission unit, the Advice of Charge at the End of Conversation request message that is used for terminal is sent is transmitted to application server; And
The charging result retransmission unit, be used for application server issue at described Advice of Charge at the End of Conversation request message, the charging result information that communication process is chargeed is transmitted to terminal.
13, switching equipment as claimed in claim 12 is characterized in that, described switching equipment is a Softswitch, or is the call session control functional entity device in the IP Multimedia System.
14, a kind of application server based on next generation network is characterized in that, comprising:
The request message receiving element is used to receive the Advice of Charge at the End of Conversation request message that switching equipment is sent;
Charging Detail Record unit is used for the Advice of Charge at the End of Conversation request message that receives according to described request message sink unit, and communication process is chargeed;
Charging result issues the unit, is used for the charging result information of described Charging Detail Record unit is issued to switching equipment.
15, application server as claimed in claim 14 is characterized in that, described Charging Detail Record unit carries out primary charging every the stipulated time to communication process.
16, application server as claimed in claim 14 is characterized in that, described Charging Detail Record unit finishes the back at communication process communication process is chargeed.
17, application server as claimed in claim 14 is characterized in that, described charging result issues the unit charging result information-bearing is issued to switching equipment in the conversation log information.
18, application server as claimed in claim 17 is characterized in that, described charging result issues the unit log information of will conversing and is carried in the outer SIP INFO of session or is carried in the MESSAGE message and be issued to switching equipment.
19, application server as claimed in claim 17 is characterized in that, described charging result issues the unit and describes the conversation log information based on extend markup language.
20, a kind of value-added service treatment system based on next generation network is characterized in that, comprises terminal, switching equipment and application server, wherein:
Terminal is used for sending value-added service to switching equipment and handles request message, and receives the value-added service processing result information that switching equipment issues;
Switching equipment, the value-added service that is used for that terminal is sent is handled request message and is transmitted to application server, and the value-added service processing result information that application server is sent is transmitted to terminal;
Application server, be used to receive the value-added service processing request message that switching equipment is sent, and handle request message according to the value-added service that receives and handle the value-added service processing result information that obtains correspondence, and the value-added service processing result information that obtains is issued to switching equipment.
21, system as claimed in claim 20 is characterized in that, described application server is described the value-added service processing result information based on extend markup language.
CN200710101780A 2007-05-09 2007-05-09 Telephone fee display-immediately implementing method, soft switching device and application server Expired - Fee Related CN101304458B (en)

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CN200710101780A CN101304458B (en) 2007-05-09 2007-05-09 Telephone fee display-immediately implementing method, soft switching device and application server
PCT/CN2008/070094 WO2008138234A1 (en) 2007-05-09 2008-01-11 An implementing method for immediately displaying telephone rate, terminal, switch apparatus and application server

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CN200710101780A CN101304458B (en) 2007-05-09 2007-05-09 Telephone fee display-immediately implementing method, soft switching device and application server

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CN110754077A (en) * 2017-04-13 2020-02-04 多诺玛公司 Call traffic diagnostics in a telecommunications network

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US6212506B1 (en) * 1997-09-16 2001-04-03 Nortel Networks Corporation Per call real time billing display
CN2708572Y (en) * 2003-12-03 2005-07-06 德赛电子(惠州)有限公司 A telephone set with automatic charge display
CN1798224B (en) * 2004-12-29 2011-01-05 华为技术有限公司 Method for displaying information of telephone fees
CN1867018B (en) * 2005-05-18 2010-04-28 北京信威通信技术股份有限公司 Digital mobile terminal charge instantly prompting method
CN100450130C (en) * 2005-12-21 2009-01-07 中兴通讯股份有限公司 System and method for realizing intermediately informing user telephone fee

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110754077A (en) * 2017-04-13 2020-02-04 多诺玛公司 Call traffic diagnostics in a telecommunications network
CN110754077B (en) * 2017-04-13 2021-02-05 多诺玛公司 Method for limiting operation state of telephone network

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