Cisco Cisco ASR 5000
Idle Mode Signalling Reduction on the S4-SGSN
Configuring Idle-Mode-Signaling Reduction ▀
SGSN Administration Guide, StarOS Release 18 ▄
idle-mode-signaling-reduction access-type umts
enables 3G ISR in the call-control-profile.
gmm t3323-timeout
mins
specifies the amount of time, in minutes, the UE should wait after the Periodic
RAU timer (t3312 timer) expiry before deactivating ISR. Valid entries are from 1 to 186. The default is 54.
Verifying the 3G ISR Configuration
This section describes how to verify the 3G ISR configuration.
To verify that 3G ISR is enabled and the gmm T3323 timeout is configured:
show configuration
...
call-control-profile name
idle-mode-signaling-reduction access-type umts
....
context context_name
gmm T3323-timeout value
...
To verify that 3G ISR is enabled in the call-control-profile:
show call-control-profile full name cc-profile-name
...
Treat as PLMN :Disabled
Idle-Mode_Signaling-Reduction (ISR) for UMTS :Enabled
...