We have an issue with some IP Communicator softphones that are not registering to a Call Manager server version 4.2(3).
The phones just suddenly stopped registering with the Call Manager server. The installed IP Communicator version is 7.0.1 or 7.0.3 on Windows XP SP3 operating system.
If we connect another PC with IP Communicator installed it registers with no problem, this rules out any VLAN issues or traffic blocking issues (we also verified the configuration on the firewalls on the net).
Could this issue be caused by a Windows update or something related with the operating system?? Is there a workaround we can use to solve this issue??.
IntroductionThe IssueServices Shown their status as UnknownWhat actions require to be taken?Logs required for troubleshootingWhat to expect in the logs:
The purpose of this document is to provide troubleshooting insight into a well-known iss...
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