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 To :  Jeremy Malcolm <Jeremy@M...>, yate@v...
 From :  Marian Podgoreanu <marian@v...>
 Subject :  Re: [yate] Error "bind failed in range x-y" causes no audio?
 Date :  Mon, 05 Jan 2015 10:30:30 +0200
Hi,

Please check the IP RTP tries to bind on (the log message should 
indicate it: ... bind failed in range 10000-10100 on 'IP').

The log with SIP messages is useless: the incoming call is rejected, 
yate don't try to set media.

Marian

On 29.12.2014 08:33, Jeremy Malcolm wrote:
> Hi yate experts,
>
> I had yate on a public IP, and I have just moved it to a private IP
> behind NAT.  I have enabled the nat and ignorevia settings in
> ysipchan.conf.  I have inserted the appropriate iptables rules on the
> hosting machine (which includes some anti-spam measures), notably
> forwarding certain SIP packets as well as RTP connections on ports
> 10000-10100 to my yate server (at the IP 192.168.42.10). [0]
>
> Back in yate I have set “minport” and “maxport” in yrtpchan.conf to the
> same values for RTP (10000-10100).  I seem to be able to establish
> calls, but when I pick up there is no audio.  In my logfile I get
> "YRTPWrapper 'yrtp/1991634715' bind failed in range 10000-10100”.  There
> is nothing else using those ports, according to netstat -l.  Does this
> indicate something wrong?
>
> Any suggestions?
>
> [0] iptables rules:
>
> iptables -I INPUT -p udp -m udp --dport 5060 -m string --string
> "User-Agent: VaxSIPUserAgent" --algo bm --to 65535 -j DROP
> iptables -I INPUT -p udp -m udp --dport 5060 -m string --string
> "User-Agent: friendly-scanner" --algo bm --to 65535 -j REJECT
> --reject-with icmp-port-unreachable
> iptables -I INPUT -p udp -m udp --dport 5060 -m string --string
> "REGISTER sip:" --algo bm -m recent --set --name VOIP --rsource
> iptables -I INPUT -p udp -m udp --dport 5060 -m string --string
> "REGISTER sip:" --algo bm -m recent --update --seconds 60 --hitcount 12
> --rttl --name VOIP --rsource -j DROP
> iptables -I INPUT -p udp -m udp --dport 5060 -m string --string "INVITE
> sip:" --algo bm -m recent --set --name VOIPINV --rsource
> iptables -I INPUT -p udp -m udp --dport 5060 -m string --string "INVITE
> sip:" --algo bm -m recent --update --seconds 60 --hitcount 12 --rttl
> --name VOIPINV --rsource -j DROP
> iptables -A PREROUTING -t nat -p udp -m hashlimit --hashlimit 6/sec
> --hashlimit-mode srcip,dstport --hashlimit-name tunnel_limit -m udp
> --dport 5060 -j DNAT --to-destination 192.168.42.10
> iptables -A FORWARD -p tcp -d 192.168.42.10 --dport 5060 -j ACCEPT
> iptables -I INPUT -p udp -m udp --dport 5060 -j DROP
> iptables -t nat -A PREROUTING -p udp -m udp --dport 10000:10100 -j DNAT
> --to-destination 192.168.42.10
> iptables -A FORWARD -p udp -d 192.168.42.10 --dport 10000:10100 -j ACCEPT
>
> [1] Here is the SIP conversation that is logged just before the call
> drops (calling party is outside the LAN, called party is inside):
>
> INVITE sip:dominica@m... SIP/2.0
> From:sip:jeremy@m... ;tag=b088e2ef
> To:sip:dominica@m... 
> Call-ID:45902c3a687807a154a0e6d310fed
> CSeq:30973 INVITE
> Via:SIP/2.0/UDP 21.153.3.29;branch=z9hG4bKQn8UChGf
> Accept:application/sdp, multipart/mixed, application/dtmf,
> application/dtmf-relay
> Allow:INVITE,INFO,BYE,CANCEL,OPTIONS,REFER,UPDATE,PRACK
> Supported:timer,100rel,replaces
> Contact:
> Max-Forwards:70
> User-Agent:Whistle/iOS/1.49 (VailSIP 20131127)
> Content-Length:411
> Content-Type:application/sdp
> X-Vail-Load:1/2;id=187
>
> v=0
> o=- 1419830995 0 IN IP4 21.153.3.29
> s=-
> c=IN IP4 21.153.3.29
> t=0 0
> m=audio 57842 RTP/AVP 125 126 127 0 8 101
> a=rtpmap:125 CELT/32000
> a=fmtp:125 frame-size=640;bitrate=64
> a=ptime:20
> a=maxptime:20
> a=rtpmap:126 speex/32000
> a=ptime:20
> a=maxptime:20
> a=rtpmap:127 speex/16000
> a=ptime:20
> a=maxptime:20
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> ------
>  'udp:0.0.0.0:5060' received 963 bytes SIP message from
> 172.56.39.246:54692 [0x924e0f8]
> ------
> INVITE sip:dominica@m... SIP/2.0
> From:sip:jeremy@m... ;tag=b088e2ef
> To:sip:dominica@m... 
> Call-ID:45902c3a687807a154a0e6d310fed
> CSeq:30973 INVITE
> Via:SIP/2.0/UDP 21.153.3.29;branch=z9hG4bKQn8UChGf
> Accept:application/sdp, multipart/mixed, application/dtmf,
> application/dtmf-relay
> Allow:INVITE,INFO,BYE,CANCEL,OPTIONS,REFER,UPDATE,PRACK
> Supported:timer,100rel,replaces
> Contact:
> Max-Forwards:70
> User-Agent:Whistle/iOS/1.49 (VailSIP 20131127)
> Content-Length:411
> Content-Type:application/sdp
>
> v=0
> o=- 1419830995 0 IN IP4 21.153.3.29
> s=-
> c=IN IP4 21.153.3.29
> t=0 0
> m=audio 57842 RTP/AVP 125 126 127 0 8 101
> a=rtpmap:125 CELT/32000
> a=fmtp:125 frame-size=640;bitrate=64
> a=ptime:20
> a=maxptime:20
> a=rtpmap:126 speex/32000
> a=ptime:20
> a=maxptime:20
> a=rtpmap:127 speex/16000
> a=ptime:20
> a=maxptime:20
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> ------
>  'udp:0.0.0.0:5060' sending code 100 0xf6109018 to
> 172.56.39.246:54692 [0x924e0f8]
> ------
> SIP/2.0 100 Trying
> Via: SIP/2.0/UDP 21.153.3.29;branch=z9hG4bKQn8UChGf;received=172.56.39.246
> From: sip:jeremy@m...;tag=b088e2ef
> To: sip:dominica@m...
> Call-ID: 45902c3a687807a154a0e6d310fed
> CSeq: 30973 INVITE
> Server: YATE/4.1.0
> Content-Length: 0
>
> ------
>  Could not classify call from 'jeremy', wasted 9 usec
>  Got message 'call.route' for untracked id 'sip/11'
>  Routing call to 'dominica' in context 'default' via '-' in 593 usec
>  Call rejected error='noauth' reason='(null)' [0xf61097d0]
>  'udp:0.0.0.0:5060' sending code 401 0x9314b00 to
> 172.56.39.246:54692 [0x924e0f8]
>
> --
> Jeremy Malcolm PhD LLB (Hons) B Com
> Internet lawyer, ICT policy advocate, geek
> echo "9EEAi^^;6C6]>J^=^>6"|tr '\!-~' 'P-~\!-O'|wget -q -i - -O -
>