We just recently installed a Cisco SX80 and when we initiate a call to some of our Polycom HDX9000 systems, there is no video and just loud static over the audio. When the Polycom initiates the call to the Cisco SX80, the audio is fine and we get vid...

We recently upgraded the phones in one of our smaller offices. They went from 7960s to 8851s. We've updated all the user pages and the Lync server with the new MAC addresses but still can't get phone status information in the Lync client while using ...

We have the CoS for Live Record set to a maximum message length of 3600 seconds but our recordings are cutting off at 20 minutes exactly.  We are using a single inbox solution with Exchange 2010 and there are no mailbox size limits on the users. Any ...