[SR-Users] e72 stops responding

[Daniel-Constantin Mierla]

Hello,

On 6/15/13 12:32 PM, hiro wrote:
> 8 is a Nokia E72 calling in via kamailio. After the Invite I don't get
> any other packets from the phone any more. It seems like the TCP
> connection gets killed completely by something. It only starts working
> again after I reboot the phone and it is completely reproducable.
>
> 14:06:51.457926 IP 82-171-55-218.ip.telfort.nl.10658 >
> koln-4db447dd.pool.mediaWays.net.sip: Flags [P.], seq 2401:3615, ack
> 1416, win 65039, options [nop,nop,TS val 113865285 ecr 859201823],
> length 12[1616/1930]
> E....- at .<.w.R.7.M.G.)........D#g...........
> ..rE36a.INVITE sip:3 at myhost;transport=TCP SIP/2.0
> Via: SIP/2.0/TCP 192.168.1.34:5060;branch=z9hG4bKggcacug4n6qn494dj0g2ear;rport
> From: <sip:8 at myhost>;tag=v8o9g80af9hc7j2304ao
> To: <sip:3 at myhost>
> Contact: <sip:NQBMFpVZDLXb4Ju6v0ZZ at 192.168.1.34:5060;transport=TCP>
> Supported: 100rel,timer
> CSeq: 5411 INVITE
> Call-ID: fjao86anoIcFLw4lwjAR-waVvK4c4f
> Allow: UPDATE,PRACK,SUBSCRIBE,REFER,NOTIFY,INVITE,ACK,CANCEL,OPTIONS,BYE
> User-Agent: Nokia RM-530 091.004 (en)
> Expires: 120
> Privacy: None
> Session-Expires: 1800
> Max-Forwards: 70
> Proxy-Authorization: xxx
> Content-Type: application/sdp
> Accept-Language: en
> Content-Length: 413
>
> v=0
> o=8 63539388406935125 63539388406935125 IN IP4 192.168.1.34
> s=-
> c=IN IP4 192.168.1.34
> t=0 0
> m=audio 49152 RTP/AVP 100 0 8 97 98
> a=sendrecv
> a=rtcp:49153 IN IP4 192.168.1.34
> a=rtpmap:100 AMR-WB/16000
> a=ptime:20
> a=maxptime:200
> a=fmtp:100 mode-change-period=2; mode-change-neighbor=1
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:97 iLBC/8000
> a=rtpmap:98 telephone-event/8000
> a=fmtp:98 0-15
>
> 14:06:51.458086 IP koln-4db447dd.pool.mediaWays.net.sip >
> 82-171-55-218.ip.telfort.nl.10658: Flags [.], ack 3615, win 3640,
> options [nop,nop,TS val 859201829 ecr 113865285], length 0
> E..4D%@. at ..xM.G.R.7...)..D#g...P...85......
> 36a%..rE
> 14:06:51.523134 IP koln-4db447dd.pool.mediaWays.net.sip >
> 82-171-55-218.ip.telfort.nl.10658: Flags [P.], seq 1416:1767, ack
> 3615, win 3640, options [nop,nop,TS val 859201836 ecr 113865285],
> length 351
> E...D&@. at ...M.G.R.7...)..D#g...P...8(d.....
> 36a,..rESIP/2.0 100 trying -- your call is important to us
> Via: SIP/2.0/TCP
> 192.168.1.34:5060;branch=z9hG4bKggcacug4n6qn494dj0g2ear;rport=10658;received=82.171.55.218
> From: <sip:8 at myhost>;tag=v8o9g80af9hc7j2304ao
> To: <sip:3 at myhost>
> CSeq: 5411 INVITE
> Call-ID: fjao86anoIcFLw4lwjAR-waVvK4c4f
> Server: kamailio (4.0.1 (arm/linux))
> Content-Length: 0
>
>
> no response from phone...
> I'm fishing in the dark, any ideas? Anything else I could check?
if nokia is over wifi, maybe you can sniff the packets getting to it on 
the wireless network. See if they arrive there and if they are altered 
by some ALG.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, San Francisco, USA - June 24-27, 2013
   * http://asipto.com/u/katu *