606 Not Acceptable response

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HeinSIP
Posts: 13
Joined: Mon Jun 09, 2008 2:12 am
Location: Berlin

606 Not Acceptable response

Post by HeinSIP » Fri Sep 30, 2016 10:29 am

Hello,

Outgoing calls to this specific number don't go through with the response "606 Not Acceptable". See below..
SIPTransaction=> SIPTransaction=>Request received udp:xxxxxxxxxxx:5070<-udp:xxxxxxxxxxx:5060
INVITE sip:xxxxxxxxxxx@sipsorcery.com SIP/2.0
Via: SIP/2.0/UDP xxxxxxxxxxx:5060;branch=z9hG4bK0e848913ea3f1b971dd6f6ed974772767f65484d;rport=5060;received=xxxxxxxxxxx
Via: SIP/2.0/UDP xxxxxxxxxxx:5060;rport=5060;branch=z9hG4bK1FA5990B19FDF6BB;received=xxxxxxxxxxx
To: <sip:xxxxxxxxxxx@sipsorcery.com>
From: <sip:xxxxxxxxxxx@sipsorcery.com>;tag=A73188A8DBCD1492
Call-ID: 11439B09032FB944@xxxxxxxxxxx
CSeq: 3951 INVITE
Contact: <sip:xxxxxxxxxxx@xxxxxxxxxxx;uniq=16388190177CDB43969959E5F8AC6>
Max-Forwards: 69
Route: <sip:sipsorcery.com;lr>
User-Agent: AVM FRITZ!Box Fon WLAN xxxxxxxxxxx
Expires: 120
Accept: application/sdp, multipart/mixed
Accept-Encoding: identity
Allow: INVITE,ACK,OPTIONS,CANCEL,BYE,UPDATE,PRACK,INFO,SUBSCRIBE,NOTIFY,REFER,MESSAGE,PUBLISH
Authorization: Digest username="xxxxxxxxxxx",realm="sipsorcery.com",nonce="19338611551261160913",uri="sip:v@sipsorcery.com",response="a811b8e06beda3573ee111953765bfa8",algorithm=MD5
Supported: 100rel,replaces
Content-Length: 315
Content-Type: application/sdp
Proxy-ReceivedFrom: udp:xxxxxxxxxxx:5060
Proxy-ReceivedOn: udp:xxxxxxxxxxx:5060
Allow-Events: telephone-event,refer

v=0
o=user 4755560 4755560 IN IP4 xxxxxxxxxxx
s=call
c=IN IP4 xxxxxxxxxxx
t=0 0
m=audio 7078 RTP/AVP 8 0 2 102 100 99 97
a=sendrecv
a=rtpmap:2 G726-32/8000
a=rtpmap:102 G726-32/8000
a=rtpmap:100 G726-40/8000
a=rtpmap:99 G726-24/8000
a=rtpmap:97 iLBC/8000
a=fmtp:97 mode=30
a=rtcp:7079
a=ptime:30

>>>>>>>>> [snip] <<<<<<<<<<<<<<

DialPlan=> Information response 100 Trying for sip:xxxxxxxx@sip.xs4all.nl.
SIPTransaction=> Received Response udp:xxxxxxxxxxx:5070<-udp:xxxxxxxxxxxxx:5060
SIP/2.0 606 Not Acceptable
Via: SIP/2.0/UDP xxxxxxxxxxx:5070;branch=z9hG4bKaf47b847a9814f81afe347bc2f520112;rport
To: <sip:xxxxxxxxxxx@sip.xs4all.nl>;tag=SDu4a1099-127.0.0.1alUtKGp-09542+1+fb8603f1+7212f33
From: <sip:xxxxxxxxxxx@sip.xs4all.nl>;tag=NUNUFTLXSI
Call-ID: 334ead75539947d3a1f9bb89966d0024
CSeq: 2 INVITE
Contact: <sip:+xxxxxxxxxxxx@xxxxxxxxxxxx:51000>
Allow: INVITE, BYE, ACK, OPTIONS, CANCEL, PRACK, UPDATE
Supported: replaces, path, 100rel, timer
Content-Length: 0
Proxy-ReceivedFrom: udp:yyyyyyyyyyy:5060
Proxy-ReceivedOn: udp:xxxxxxxxxxx:5060
Server: Alcatel-Lucent 5060 MGC-8 9.2.0.7.0.5

This is relatively recent, I've had calls to this number previously. Any suggestions for debugging/troubleshooting?

Best regards!
H

Aaron
Site Admin
Posts: 4652
Joined: Thu Jul 12, 2007 12:13 am

Re: 606 Not Acceptable response

Post by Aaron » Fri Sep 30, 2016 11:04 am

I'd suggest modifying your SIP device's codec configuration to include wither ulaw or alaw.

In your call request you're only offering to accept either g726 or ilbc which are not universally supported.

HeinSIP
Posts: 13
Joined: Mon Jun 09, 2008 2:12 am
Location: Berlin

Re: 606 Not Acceptable response

Post by HeinSIP » Fri Sep 30, 2016 5:28 pm

Thanks.. I'll have look at my FritzBox settings..

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