When i try to send a fax to the sip trunk the cube send a invite with t38 in the sdp to the callmanager but the the callmanager adds a second mline with g711a that prevents the gateway to switch to t.38.
It sounds like CUCM is adding this into the INVITE.
You may have an MTP involved here. If so, it needs to be on IOS, and you need to have 'codec passthrough' as one of the capabilities enabled.
I would 'debug ccsip messages' on both CUBE and the fax gateway, and see what the difference is. I haven't seen an IOS gateway add G711ulaw/alaw into a fax invite personally, so my suspicion is with CUCM.
From the traces that i have taken i can see that the callmanager is adding the m line to the invite. I dont have any mtp involve in the call. I have to fing if is there any way to remove that m line from the invite.
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...