Release Change Reference, StarOS Release 21.15/Ultra Services Platform Release 6.9

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Updated:: December 22, 2020

Migrating 3G to 4G Context

Feature Summary and Revision History

Summary Data


Applicable Product(s) or Functional Area	P-GW
Applicable Platform(s)	ASR 5500 VPC-DI VPC-SI
Feature Default	Enabled - Configuration Required
Related Changes in This Release	Not Applicable
Related Documentation	Not Applicable

Revision History


Revision Details	Release
First Introduced	21.15.51

Feature Changes

Previous Behavior: When there is a low number of session manager the chance of existence of transaction record is high, when a new Modifiy bearer request comes in. During 3G to 4G Hand Over (HO), Modify Bearer Request is rejected due to context not found, even when active transmission is found and it is not a retransmitted message.

New Behavior: P-GW supports migrating the 3G context to 4G context even if an active transmission is found and it is not a retransmitted message.

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