[Freeswitch-users] No early media or signaling to PSTN
Kim Rostgaard Christensen
krc at retrospekt.dk
Mon Dec 21 13:44:11 MSK 2015
Greetings
I'm having some problems with getting sensible behavior when receiving
calls through an external SIP->PTSN trunk.
What we are experiencing:
- Through ring_ready and sleep (the ringtone var is set prior), there
is only silence. After the call is answered (dialplan answer), the
following playback is delayed for about 10s.
- When answering without ring_ready, the playback is also delayed ~10s
- When using answer and playback ring-tone, everything is working, but
leaves us in a sort of "dirty" state when directing the call further.
It also means that we send a call directly to "unallocated", but need
to playback ring tones beforehand.
Can anyone provide me with some tips on how to debug this this issue
further?
Is it a firewall issue (everything is swell both in- and outbound), do I
need to execute additional applications, or setup my gateway in a
specific way?
Best regards
--
Kim Rostgaard Christensen | krc at retrospekt.dk | http://retrospekt.dk
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