Contact Center Agent using ip phone 7971G cannot login to CTI OS 7.0.0 Agent Desktop .The system returns the error message below in an attempt to login:
IPCC Error (12005)
Login could not be performed- Possible causes are:
1. invalid instrument
2. media termination problem
3. or other CM issues
The Agent can login to the application using another instrument like 7961G. Anyone knows what could possibly be the problem here?