There may be multiple application servers defined for service
delivery.
Authorized-QoS This AVP identifies the QoS applied on the Go interface if applicable.
Bearer-service This AVP identifies the bearer service provided on the analog (PSTN)
side of the session. The bearer service may be voice, for example.
Called-party-address The called party address identifies the subscription to which
a session was established. The address can be in the form of a SIP URI, or an E.164
number.
Calling-party-address The calling party address identifies the subscription that
originated a session. This address can also be in the form of a SIP URI, or an E.164
number.
Cause This AVP consists of the Cause-code, and the Node-functionality parameters.
The Node-functionality identifies the node that generated the Cause-code. The Causecode
identifies whether or not an accounting function was successful or if it failed, and
if it failed, provides a reason for the failure.
Online and Offline Charging in the IMS 191
Cause-code The cause code identifies whether or not an accounting function was
successful, and if not, what caused the failure. The following values are used:
?– Normal end of session Indicates that the SIP session was ended normally via a
SIP BYE message (and not by error).
?– Successful transaction Indicates a successful SIP transaction (Register, Invite,
etc.
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