CUCM 6.1----->Cisco 2821(voice gtw)--->registered with Sip provider.
Truk between CUCM6.1 and VG is H323, on the VG, I setup a sip-ua (see the VG show-run attached), I also specified on the route pattern the calling party transf.mask to attach the uri on the outbound call. Registration comes up, all I get is called phone ringing, it answers but the call could be eared only in one way: from CCM phone to external phone; not the contrary. When I Call from outside to CCM, The phone Just rings and stop. It doesn't take the call pickup.
VG is connected to the internet with a public IP (no Access list filter for now).
I Already trie the same connection using an UC520 and everything works fine.
I don't know if I have to specify something else on the CCM.
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...