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Travis Russell

"The IP Multimedia Subsystem (IMS): Session Control and Other Network Operations"

4). The response will carry with
it the amount of credit being authorized for the session. The amount of credit is based on
the available account balance in the prepaid system. The credit is provided in increments
based on local policy, and the amount of credit provided in the Result-code parameter.
TABLE 7.4 Credit-Control-Answer (CCA) Message Content
Parameter Status
Session-ID Mandatory, fi xed
Result-code Mandatory
Origin-host Mandatory
Origin-realm Mandatory
Auth-application-ID Mandatory
Vendor-specifi c-application-ID
Vendor-ID
Auth-application-ID (mandatory)
Acct-application-ID (mandatory)
Optional
User-name Optional
Acct-multi-session-ID Optional
Redirect-host Optional
Redirect-host-usage Optional
Redirect-max-cache-time Optional
Origin-state-ID Optional
(Continued)
TABLE 7.3 Credit-Control-Request (CCR) Message Content (continued)
182 Chapter 7
Parameter Status
Event-timestamp Optional
Proxy-info
Proxy-host (mandatory)
Proxy-state (mandatory)
Optional
Route-record Optional
AVP Optional
CC-request-type Mandatory
CC-request-number Mandatory
CC-subsession-ID Optional
CC-session-failover Optional
Subscription-ID Optional
Granted-service-unit
Tariff-time-change
CC-time
Unit-value (mandatory)
Value-digits (mandatory)
Exponent
Currency-code
CC-total-octets
CC-input-octets
CC-output-octets
CC-service-specifi c-units
Time-quota-threshold
Volume-quota-threshold
AVP
Optional
Cost-information
Unit-value (mandatory)
Value-digits (mandatory)
Exponent
Currency-code (mandatory)
Cost-unit
Optional
Final-unit-indication
Final-unit-action (mandatory)
Restriction-fi lter-rule
Filter-ID
Redirect-server
Optional
Check-balance-result Optional
Credit-control-failure-handling Optional
Validity-time Optional
Trigger-type Optional
Direct-debiting-failure-handling Optional
TABLE 7.


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