[Spce-user] Calls drop after 30 secs

Andrew Pogrebennyk apogrebennyk at sipwise.com
Tue Aug 19 07:11:01 EDT 2014

what does your /etc/ngcp-config/network.yml look like? You should use
your Elastic IP as advertised_address. I think AMI configures that by

Could you provide the kamailio-proxy.log, kamailio-lb.log and complete
trace? I mean also messages inside spce (lb,proxy,sems).


On 08/19/2014 01:01 PM, George Mason wrote:
> Hi,
> I am having an issue with the SPCE Amazon EC2 image. I have configured
> the server to forward all calls to a SIP provider with a couple of IP
> handsets registered as subscribers. I can get a call to go through to
> the PSTN and audio in both directions, but the call appears to drop
> after approx. 30 secs.
> I have run a UDP trace of the signalling and it looks like SPCE drops
> the call, I found the following in the logs:
> rtp.log
> Aug 19 10:54:53 ip-10-237-180-106 rtpengine[26167]: Got valid command
> from delete - { "call-id":
> "60174c70-66e7d6e1 at", "received-from": [ "IP4",
> "" ], "from-tag": "317FA286-53F32CDB000A6E08-C56FB700",
> "to-tag": "2cfee724f53bdbbdo0", "command": "delete" }
> sems.log
> Aug 19 10:54:53 ip-10-237-180-106 ngcp-sems[26328]: [#7f11c4ef3700]
> [update_uac_request, trans_layer.cpp:2047] WARNING:  While sending 200
> ACK: no matching transaction
> Looks like either Sems or Asterisk is telling Kamailio to drop the call
> - not sure what's going on here? Grateful of any feedback.
> Thanks
> George
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Andrew Pogrebennyk
Software Engineer
Sipwise GmbH, Campus 21/Europaring F15
A-2345 Brunn am Gebirge

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