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LTE: Does the bearer(s)/session(s) get deleted when CS fallback happen for an UE?

+4 votes
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LTE: Does the bearer(s)/session(s) get deleted when CS fallback happen for an UE?
posted Jan 10, 2014 by Harshita

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1 Answer

+1 vote

The S1 UE context is being deleted, as to bearers
- for GBR bearers MME initiates Dedicated Bearer Deactivation procedure,
- for non-GBR bearers MME starts the preservation and suspension by sending Suspend Notification message

The CSFB procedure is covered here
http://www.lteandbeyond.com/2013/09/CSFB-Mobile-Terminating-Call-in-Active-mode.html

answer Mar 21, 2014 by Bart Barton
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