If the Yealink MP56 has been consistently used as a Teams phone before and
About GraceThis author has not yet filled in any details.
So far Grace has created 5 blog entries.
Grace2023-04-06T16:10:28+08:00499 caller is forbidden when the 3CX extensions cannot call each otherGrace2023-04-06T16:10:28+08:00
Background: Users reported that after upgrading the 3CX server, their mobile app and IP