I have several error messages like the following on the AS5350XM:
Jun 20 09:24:58.495: %VOICE_IEC-3-GW: C SCRIPTS: Internal Error (Incompatible protocols): IEC=1.1.47.11.23.0 on callID 276 GUID=80B7BC9D333DD11D670066020A016C37
I am looking for its meaning in cisco.com but i have not found it yet.