Symptom

Hairline call loop crash. We got the following errors prior to the crash. (Incompatible protocols): IEC=1.1.47.11.23.0 on callID 328 GUID=80FBE8B49C685177E6170E010A5A5B05 %ISDN-6-DISCONNECT: Interface Serial0/3/0:8 disconnected from 6067873943 , call lasted 7 seconds %VOICE_IEC-3-GW: C SCRIPTS: Internal Error (Incompatible protocols): IEC=1.1.47.11.23.0 on callID 336

Conditions

Possibly a call loop which caused the crash

Workaround

None

Further Problem Description