Current situation: The Phone is @ reception Desk. Whenever a call comes through, there is a message appear "Temp Fail" when connected. which make the reception don't have options like, to Transfer/Hold/etc.
these do not happen all the times, sometimes it appears just fine and the user can interact.
Below steps already tried :
1) Change the Softkey Template/Phone Button Template.
2) Change Cable.
so can anybody help me? please
thanks everyone