Monthly Archives: January 2014

LPE wont sign in to Lync externally

The Problem Lync Phone Edition (in my case Polycom CX500 and CX600) wont sign in to Lync from externally. Internally working fine.The phone goes through the steps of finding the time server, then finding the Lync Server – OK. Then … Continue reading

Posted in CX500, CX500 Connecting to Lync Server | Leave a comment

Sign-in canceled due to internal error – CX500 and CX600

IssueThe Lync phones (CX500 and CX600) no longer sign in to Lync 2013. Error message states “Please verify that the domain entered is correct“ After factory resetting the phone I still got the same error briefly followed by “Sign-in canceled … Continue reading

Posted in CX500, CX500 Internal Error, Polycom | Leave a comment

Media connectivity failure when both endpoints are internal

An interesting issue I had recently when trying to connect an audio call to a federated partner. IM and Presence were working but no audio or video. The attempt states connecting and then fails. A quick trip to the monitoring … Continue reading

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