Cisco Cisco Packet Data Gateway (PDG)

SGSN Changes in Release 16

SGSN Enhancements for 16.4 ▀

Release Change Reference, StarOS Release 16 ▄

469

CSCus52926 - SM Cause codes behavior Change after REL16.0 upgrade

Feature Changes

DNS Failure and DNS Timeout Cause Codes Updated

Previous Behavior: Both DNS failure and DNS timeout reject activation with Cause Code “(31) Activation rejected,
unspecified”.

New Behavior: The Cause Codes for DNS failure and DNS timeout have been updated as follows:



DNS timeout : : (34) Service option temporarily out of order



DNS failure : (27) Missing or unknown APN