Displaying 1 result from an estimated 1 matches for "sip_trunk_outbound".
2014 Jul 30
2
SIP trunk gives fuzzy / distorted audio on mobiles, OK on fixed lines
I'm having a problem with a new SIP trunk.
Calls within the UK to fixed lines are fine, but calls to mobiles have
noticeably poorer audio quality.
I thought it might have been a codec issue; we have used G.726 for internal
and external calls (over primary ISDN and GSM). So I tried allowing "alaw",
(G.711 A-law) which is the native codec used within the PSTN in this country,