asterisk users - Mar 2015 - Problems playing an audio file over an intercom/paging system

All;

    I'm running Asterisk 11.6-cert9 and am trying to play a pre-recorded
audio file to extensions using the Page() command. The dial plan looks like
this: 

exten => s,n,Page(${AVAILCHANS},A(${AUDIOMSG})) and the paging by itself
works great. However, when I try it with the audio file, it starts to play
correctly, then abruptly hangs up after 6 or 7 seconds. When I turn debug
on, this is what I see:

 

[2015-03-19 15:46:38.292] Sent RTP packet to      X.X.X.X:1049 (type 00, seq
037511, ts 061440, len 000160)

[2015-03-19 15:46:38.299] Got  RTP packet from    X.X.X.X:1049 (type 00, seq
036666, ts 4175299232, len 000160)

[2015-03-19 15:46:38.312] Sent RTP packet to      X.X.X.X:1049 (type 00, seq
037512, ts 061600, len 000160)

[2015-03-19 15:46:38.316] Got  RTP packet from    X.X.X.X:1049 (type 00, seq
036667, ts 4175299392, len 000160)

[2015-03-19 15:46:38.323] Got  RTP packet from    X.X.X.X:1049 (type 00, seq
036668, ts 4175299552, len 000160)

[2015-03-19 15:46:38.329] WARNING[25939][C-00000000]: pbx.c:6709
__ast_pbx_run: Timeout, but no rule 't' or 'e' in context
'scheduledpages'

 

I'm thinking that this could be NAT related. My Asterisk server has a public
IP address, but my extensions are behind a NAT if that helps any. My
extension configs have "nat=force_rport,comedia". I could really use
some
insight with this and would be very grateful for any help at all.

Regards;

John

 

 

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