The SIP Third Party Charging feature creates the SCUR charging instance, maps initial SIP INVITE message to a session counter address, and makes the credit reservation.
The SIP INVITE message used is the message created by the SIP Third Party HTTP Trigger Feature from the incoming HTTP request.
Since the SIP Third Party Charging feature only creates the charging instance and makes credit reservation, the rest of the charging process must be handled by the B2BUA SCUR Features.
Details
Feature name |
SipThirdPartyCharging |
|---|---|
Applicable contexts |
SIP service |
SAS Support |
No |
Prerequisite features |
|
Related features |
|
Typical feature execution points |
SipThirdPartyAccess_SubscriberCheck |
Mappers
This feature uses a mapper to convert the SIP request to a SessionCounterAddress. The default implementation is
SipRequestToSessionCounterAddress:
// a mapper that takes a {{SipRequest}} and generates a {{SessionCounterAddress}}.
final Mapper<SentinelSipSessionState> mapper = getMapperLibrary().findMapper(
getSessionState().getSentinelSelectionKey(),
SipRequest.class,
SessionCounterAddress.class,
mappingPoint);
