Just for the records: I have solved it.

As we are working withXML-Curl, I now search for the dialstring in the sip_registrations table and add this dynamically to the dialstring in the extension's XML profile. Now it works.


On 11/19/15 16:54, Peter Steinbach wrote:
Hello,

I have a strange phenomenon with a phone (snomM700 DECT) behind NAT:
Register string is as follows
<sip:43@192.168.0.56:1506 0;line=7045;fs_nat=yes;fs_path=sip:43@195.71.aaa.bbb:5060;line=7045>

Here is the Freeswitch log starting with phone's SDP:

3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] sofia.c:6760 Remote SDP:
3c74476e-1ce3-46d0-874d-e75bbebce8ce v=0
3c74476e-1ce3-46d0-874d-e75bbebce8ce o=43 4408 4408 IN IP4 195.71.aaa.bbb
3c74476e-1ce3-46d0-874d-e75bbebce8ce s=-
3c74476e-1ce3-46d0-874d-e75bbebce8ce c=IN IP4 195.71.aaa.bbb
3c74476e-1ce3-46d0-874d-e75bbebce8ce t=0 0
3c74476e-1ce3-46d0-874d-e75bbebce8ce a=sendrecv
3c74476e-1ce3-46d0-874d-e75bbebce8ce m=audio 50030 RTP/AVP 8
3c74476e-1ce3-46d0-874d-e75bbebce8ce a=rtpmap:8 PCMA/8000
3c74476e-1ce3-46d0-874d-e75bbebce8ce a=ptime:20
3c74476e-1ce3-46d0-874d-e75bbebce8ce a=maxptime:80
3c74476e-1ce3-46d0-874d-e75bbebce8ce a=rtcp:50031
3c74476e-1ce3-46d0-874d-e75bbebce8ce
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] sofia.c:6750 Channel sofia/internal/43@192.168.0.56:15060 entering state [ready][200]
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_media.c:4150 Audio Codec Compare [PCMA:8:8000:20:64000:1]/[PCMA:8:8000:20:64000:1]
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_media.c:4205 Audio Codec Compare [PCMA:8:8000:20:64000:1] ++++ is saved as a match
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_media.c:4150 Audio Codec Compare [PCMA:8:8000:20:64000:1]/[PCMU:0:8000:20:64000:1]
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_media.c:4150 Audio Codec Compare [PCMA:8:8000:20:64000:1]/[SPEEX:99:8000:20:24600:1]
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_media.c:4150 Audio Codec Compare [PCMA:8:8000:20:64000:1]/[GSM:3:8000:20:13200:1]
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_media.c:4150 Audio Codec Compare [PCMA:8:8000:20:64000:1]/[G729:18:8000:20:8000:1]
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_media.c:2897 Set Codec sofia/internal/43@192.168.0.56:15060 PCMA/8000 20 ms 160 samples 64000 bits 1 channels
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_codec.c:111 sofia/internal/43@192.168.0.56:15060 Original read codec set to PCMA:8
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_media.c:4472 No 2833 in SDP.  Disable 2833 dtmf and switch to INFO
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_media.c:6019 AUDIO RTP [sofia/internal/43@192.168.0.56:15060] 144.76.47.185 port 12664 -> 195.71.aaa.bbb port 50030 codec: 8 ms: 20
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_rtp.c:3753 Starting timer [soft] 160 bytes per 20ms
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_media.c:6237 Activating RTCP PORT 50031
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_rtp.c:4132 RTCP send rate is: 5000 and packet rate is: 20000 Remote Port: 50031
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_rtp.c:2443 Setting RTCP remote addr to 195.71.aaa.bbb:50031 2
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [DEBUG] switch_core_media.c:6348 sofia/internal/43@192.168.0.56:15060 Set rtp dtmf delay to 40
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.585575 [NOTICE] sofia.c:7714 Channel [sofia/internal/43@192.168.0.56:15060] has been answered
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.605579 [DEBUG] switch_channel.c:3757 (sofia/internal/43@192.168.0.56:15060) Callstate Change RINGING -> ACTIVE
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.625571 [NOTICE] switch_ivr_bridge.c:1416 Hangup sofia/internal/43@192.168.0.56:15060 [CS_CONSUME_MEDIA] [USER_NOT_REGISTERED]
3c74476e-1ce3-46d0-874d-e75bbebce8ce 2015-11-19 15:46:38.625571 [DEBUG] switch_ivr_bridge.c:1689 sofia/internal/43@192.168.0.56:15060 skip receive message [UNBRIDGE] (channel is hungup already)


Anybody has a clue where this may come from? Freeswitch is rather new (from 03-Nov-2015).

-- 
With kind regards
Peter Steinbach 

Telefaks Services GmbH
mailto:lists (att) telefaks.de
Internet: www.telefaks.de



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-- 
With kind regards
Peter Steinbach 

Telefaks Services GmbH
mailto:lists (att) telefaks.de
Internet: www.telefaks.de