Cisco Cisco Packet Data Gateway (PDG)
GTPP Accounting Overview
Triggers for Generation of Charging Records ▀
GTPP Interface Administration and Reference, StarOS Release 17 ▄
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Table 15. Triggers for SGW-CDR Charging Information Addition
Trigger
Conditions
Conditions
Description/Behavior
QoS Change
A change in the QoS will occur when the open “List of Traffic Data Volumes” containers are closed and added
to the CDR, and a new IP-CAN bearer specific container is opened.
to the CDR, and a new IP-CAN bearer specific container is opened.
Tariff Time
Change
Change
After reaching the Tariff Time Change, open “List of Traffic Data Volumes” containers are closed and added to
the CDR.
the CDR.
User Location
Change
Change
A change in the User Location Info (for example, ECGI, TAI, RAI, SAI or CGI) will close open “List of Traffic
Data Volumes” containers. They are then added to the CDR if location reporting is required and a report of User
Location Change is received.
Data Volumes” containers. They are then added to the CDR if location reporting is required and a report of User
Location Change is received.
ULI Change
When the ULI changes, then a data volume container is added to the field "List of Service Data Volumes".
Apn-Ambr
Change
Change
If APN AMBR changes container need to be added to a bearer based on the configuration of the trigger CLI
command.
command.
CDR Closure
Open “List of Traffic Data Volumes” containers are closed and added to the SGW-CDR.
WLAN-CDR Triggers
The following events trigger closure and sending of a partial WLAN-CDR:
Time Trigger (every x seconds configured using “interval x”)
Volume Trigger (every x octets configured using “volume x” (up/down/total))
On reaching maximum number of container limit
command
gtpp interim now
A WLAN-CDR is closed as the final record of a session for the following events:
UE initiated call termination
command
clear subscribers all
Abnormal Releases due to multiple software failures
The table below lists the different values for the “CauseForRecordClosing” field depending on the different trigger
scenarios.
scenarios.
Table 16. Cause for Record Closing
Cause
Scenarios
Partial/Final
Value
Configurable
normalRelease
UE is terminating the call
Final
0
No
abnormalRelease
Failure within the chassis (due to multiple software failures)
Final
4
No
volumeLimit
Configured volume threshold has been exceeded
Partial
16
Yes
timeLimit
Configured interval has been reached
Partial
17
Yes