I am having a problem with conference calling. I have a customer who has one way audio on outside conf call. When three IP phones do an IP phone only conf call, not involving a gateway the conf call works fine.
However, when a ip phone calls an outside caller then does an add hoc conf call the original party cannot hear anyone on the conf bridge. The problem seems related to who is called and not the order they are added to the conf call.
I am thinking that this is an ISDN signaling issue. I have verified the ISDN switch type and router config. They are all ok.
I am running a 3640 with a single NM-HDT-T1 and 12.1.(3a)XI5.
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...