[Asterisk-Users] MTP Requirements for getting * talking to CCM for Voicemail

[Nathan Reeves]

Okay, finally run a server up with asterisk 1.2 and started work on getting
CCM 4.1 talking to it to try and investigate the use of * for voicemail and
possibly meetme conferences.  Using the notes on the voip wiki, I've managed
to get it to a point where I can call * successfully and get into and leave
a message in voicemail.  I've hit one issue with CheckMailboxExists not
working quite right, but I'll look at that later.

My biggest issue at the moment is that I can't get external calls coming
into CCM to be able to successfully get through to * without hanging up.  If
I do a debug sip I can see that CCM sends a BYE message to * after the
initial invite.  After running a trace on CCM I can see I get an error about
an MTP resource failure (resource unavailable).  Looking at the config on
the SIP Trunk I'd setup, I realise I didn't have an MTP included in the MGRL
I'd placed the trunk in.  I've since amended this config but need to restart
my devices to complete this.

I know MTP's being required was mentioned a while back.  Just wondering if
anyone found a workaround for this, or if they just ended up including an
MTP in the MGRL for the SIP Trunk.

Any suggestions gratefully accepted at this point.

Thanks

Nathan
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