[asterisk-users] No audio on direct call from trunk to SPA-8000

Carlos Chavez cursor at telecomab.mx
Thu Jul 19 16:59:57 CDT 2018

     I am having one of those days.  We just replaced an old Asterisk 
1.8 server with a new Asterisk 13.21.1 (both using Freepbx) and almost 
everything is working except for some incoming calls directed to a Cisco 
SPA-8000.  The PSTN trunk is SIP.  Only calls coming from the PSTN to a 
direct DID that just rings an extension on the SPA get no incoming 
audio.  All other calls, including calls from the PSTN that go through 
the main IVR or operator have audio.

     I made sure that the trunk has direct_media=no.  I checked the SPA 
configuration to make sure it is not using NAT.  Only the SPA suffers 
from this as regular SIP phones can receive calls from their DID with no 
problems.  This is the first time I use an SPA analog adapter with 
PJSIP.  They work great with chan_sip so I do not know what maybe wrong 
here.  Anyone using an SPA-8000 with PJSIP?  Any settings I should check 
on the SPA or in Asterisk?

Telecomunicaciones Abiertas de México S.A. de C.V.
Carlos Chávez
+52 (55)8116-9161

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