Hi all, i have a little problem to understand this warning message, it's annoying and it cause a lot of spurious in the log files. Im working with this scenario:
a sip outgoing trunk (Trunk-out) that support only ulaw and all calls are always routed to this. a list of sip UAs that potentially can use any codec apart g729/g723. I setup the asterisk to do as mediaproxy so directmedia=no and canreinvite=no. I want the rtp traffic goes through asterisk. I can reproduce the waring message below when a peer uses a different codec that ulaw. when the UA send out a number to route through the trunk, the warning message is not displayed initially, but only when the ring tone starts, then the mesage appears repeatedly and stops when the called peer answers, and the call is bridged successfully without problems. Im using asterisk 1.8.0 from sip.conf [Trunk-out] type=peer host=*.*.*.* context=from-Trunk-out insecure=port,invite qualify=yes disallow=all allow=ulaw directmedia=no canreinvite=no dtmfmode=rfc2833 [ua1] type=friend secret=* host=dynamic nat=yes qualify=60000 disallow=all allow=ulaw allow=gsm allow=ilbc allow=alaw qualifyfreq=9 context=sswtrunks directmedia=no canreinvite=no [ua2] ... == Using SIP RTP CoS mark 5 -- Executing [********...@sswtrunks:1] Dial("SIP/ua1-00000776", "SIP/Trunk-out/***************,180,tTr") in new stack == Using SIP RTP CoS mark 5 -- Called Trunk-out/****************** -- SIP/Trunk-out-00000777 is ringing -- SIP/Trunk-out-00000777 is making progress passing it to SIP/ua1-00000776 [Nov 19 17:08:37] WARNING[8377]: chan_sip.c:6027 sip_write: Asked to transmit frame type ulaw, while native formats is 0x2 (gsm) read/write = 0x2 (gsm)/0x2 (gsm) [Nov 19 17:08:37] WARNING[8377]: chan_sip.c:6027 sip_write: Asked to transmit frame type ulaw, while native formats is 0x2 (gsm) read/write = 0x2 (gsm)/0x2 (gsm) [Nov 19 17:08:37] WARNING[8377]: chan_sip.c:6027 sip_write: Asked to transmit frame type ulaw, while native formats is 0x2 (gsm) read/write = 0x2 (gsm)/0x2 (gsm) [Nov 19 17:08:37] WARNING[8377]: chan_sip.c:6027 sip_write: Asked to transmit frame type ulaw, while native formats is 0x2 (gsm) read/write = 0x2 (gsm)/0x2 (gsm) [Nov 19 17:08:37] WARNING[8377]: chan_sip.c:6027 sip_write: Asked to transmit frame type ulaw, while native formats is 0x2 (gsm) read/write = 0x2 (gsm)/0x2 (gsm) [Nov 19 17:08:37] WARNING[8377]: chan_sip.c:6027 sip_write: Asked to transmit frame type ulaw, while native formats is 0x2 (gsm) read/write = 0x2 (gsm)/0x2 (gsm) [Nov 19 17:08:37] WARNING[8377]: chan_sip.c:6027 sip_write: Asked to transmit frame type ulaw, while native formats is 0x2 (gsm) read/write = 0x2 (gsm)/0x2 (gsm) [Nov 19 17:08:37] WARNING[8377]: chan_sip.c:6027 sip_write: Asked to transmit frame type ulaw, while native formats is 0x2 (gsm) read/write = 0x2 (gsm)/0x2 (gsm) over and over.... [Nov 19 17:08:38] WARNING[8377]: chan_sip.c:6027 sip_write: Asked to transmit frame type ulaw, while native formats is 0x2 (gsm) read/write = 0x2 (gsm)/0x2 (gsm) -- SIP/Trunk-out-00000777 answered SIP/ua1-00000776 == Spawn extension (sswtrunks, ********, 1) exited non-zero on 'SIP/ua1-00000776' any idea ?? thanks in advance
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