System and method combined on-line charge with off-line charge
A billing system, offline technology, applied in the field of communication, can solve the problems of no information identification, heavy sorting workload, no synchronization relationship, etc.
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Embodiment 1
[0131] The process of establishing a session for a non-online charging user performed by the network element SIP AS is shown in Figure 7, and the process includes the following steps:
[0132] S202-S204, the SIPAS receives the INVITE session request from the S-CSCF, and returns a 100 Trying response.
[0133] S210~S216. After the SIP AS performs business processing according to the business requirements, it can forward the INVITE request to the called party and continue the session establishment process. After receiving the 100 Trying response and the 180 Ringing response, the SIP AS can forward the 180 Ringing response.
[0134] S218. After receiving the 200 OK request of the INVITE request, the SIP AS executes business processing successfully. If it is required to perform online and offline charging, the SIP AS sends offline charging information to the CDF / CGF.
[0135] S220.ACR~S222.ACA: When the SIP AS receives the 200 OK response request of the INVITE request, ...
Embodiment 2
[0138] The network element SIP AS executes the normal online charging session establishment process of the online charging user as shown in Figure 8, including the following steps:
[0139] S202-S204, the SIP AS receives the INVITE session request triggered by the S-CSCF, and returns a 100 Trying response.
[0140] S206.CCR~S208.CCA: After receiving the INVITE request, the SIP AS sends a CCR request authorization to the OCS, and the OCS returns the reserved call duration.
[0141] S210~S216. After the SIPAS performs business processing according to the business requirements, it can continue to forward the INVITE request to the called party and continue the session establishment process. After receiving the 100 Trying response and the 180 Ringing response, the SIP AS can forward the 180 Ringing response.
[0142] S218.200 OK: After receiving the 200 OK response request of the INVITE request, the SIP AS starts the inspection timer for reserving the session duration. ...
Embodiment 3
[0147] The abnormal online charging session establishment process of the online charging user executed by the network element SIP AS is shown in Figure 9, including the following steps:
[0148] S202~S204, the SIP AS receives the INVITE session request triggered by the S-CSCF, and returns a 100 Trying response;
[0149] S206. CCR: After receiving the INVITE request, the SIP AS sends a CCR request authorization to the OCS, and then the connection between the OCS and the SIP AS is interrupted.
[0150] S210~S216. After the SIPAS performs business processing according to the business requirements, it can continue to forward the INVITE request to the called party and continue the session establishment process. After receiving the 100 Trying response and the 180 Ringing response, the SIP AS can forward the 180 Ringing response.
[0151] S218.200 OK: the request that the SIP AS receives a 200 OK response to the INVITE request.
[0152] S220.ACR~S224.ACA: When the SIP A...
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