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Cisco Bug: CSCub07250 - SGSN sends TCAP CONT and map-ac v3 on TCAP BEG with v2

Last Modified

Feb 21, 2018

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

12.0

Description (partial)

Symptom:
The issue happens due to TCAP dialog parsing, where it is assumed that protocol version field is mandatory, resulting in non-V2 ACN version for the received dialog. 
So SGSN is responding TC-CONTINUE with acn=V3(default)
Conditions:
Protocol version is not included in TCAP dialog.
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