I Have CME Version 9.1 and I am using the SIP Phone 9951 I want to make Firmwareware Upgrade from 9.1.1SR1 to 9.3.4 Shall I go directly Or I need to go to A firmware version in the middle As I do not see anything regarding this subject on the release notes.
Could I upgrade one Phone only Using tftp32 TFTP Program.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...