The Attendant Console (AC) shows a question mark in the line status field within speed dials and the directory. Call control works fine and the status display is shown correctly.It does not resolve the issue to log out and back into the AC and then to reset the CTIManager service on the Cisco CallManager Publisher and Subscribers.
Generally this issue is caused if the firewall is enabled on the client computer.
In order to resolve this issue, disable the firewall in the client PC. Or, if it can not be disabled, complete these steps:
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