CS Fallback and SRVCC related messages
|
Message type (value) |
Description |
|---|---|
|
Suspend notification (162) |
Sent as part of CS fallback processes to suspend a UE. After receiving a suspend notification message, the SGW/PGW marks all the non-GBR bearers as suspended status. |
|
Suspend acknowledge (163) |
Reply to a suspend notification to acknowledge the notification. |
|
Resume notification (164) |
Sent as part of a process to resume a suspended node or UE. |
|
Resume acknowledge (165) |
Reply to a resume notification to acknowledge the notification. |
|
CS paging indication (151) |
Sent on the S3 interface by the MME to the associated SGSN when ISR is activated as part of mobile terminated CS services. |
|
Alert MME notification (153) |
Sent on the S3 interface by the MME to the associated SGSN as part of an SGs Non-EPS alert procedure when ISR is activated. |
|
Alert MME acknowledge (154) |
Reply to an alert MME notification to acknowledge the notification. |
|
UE activity notification (155) |
Sent on the S3 interface from the SGSN to the associated MME as part of an SGs non-EPS alert when ISR is activated to indicate that activity from a UE has been detected. |
|
UE activity acknowledge (156) |
Reply to an UE activity notification to acknowledge the notification. |