Cisco Cisco ASR 5000
ISR with Circuit Switched Fallback
Relationships to Other Features ▀
SGSN Administration Guide, StarOS Release 18 ▄
Relationships to Other Features
The CS Fallback feature is inter-works with the Idle Mode Signaling Reduction (ISR) feature. The CS Fallback feature
is primarily for the EPS, but at the SGSN, it plays a role in deciding when the ISR feature should be activated or de-
activated at the SGSN.
is primarily for the EPS, but at the SGSN, it plays a role in deciding when the ISR feature should be activated or de-
activated at the SGSN.