If Media Resource groups are being used, ensure that the MoH server is part of the Media Resource Group, and that the Group belongs to a Media Resource List. Also, check that your IP Phone belongs to the Media Resource List.
this might be a codec translation issue at the gateway router. i tried using the MTP check but then the phones do not go on hold at all. the best way I could manage is have a voice-class codec defined with voice codes in preferences for g711 aluw, ulaw & g729. apply this codec class to voip leg & that shud resolve your issue.
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...