Re: Why won't this work

Hello,

use some tools like ngrep, sgrep etc.. to see if the traffic is actually reaching the server. Maybe its not Kamailio fault.

Cheers,

Henning

> -----Original Message-----
> From: Fernando Lopes via sr-users <[email protected]>
> Sent: Mittwoch, 4. Juni 2025 17:59
> To: [email protected]
> Cc: Fernando Lopes <[email protected]>
> Subject: [SR-Users] Why won't this work
> 
> Kamailio isn’t working on my Azure VM, even though it’s set up to use port
> 5060. The network rules on Azure have both inbound and outbound traffic
> open for all protocols. I also tried using advertised_address, but that didn’t
> help either. It looks like no traffic is even hitting Kamailio — none of the routing
> blocks are triggered.
> 
> 
> Kamailio.cfg
> alias=<PUBLIC-IP>
> listen=udp:10.0.0.4:5060 advertise <PUBLIC-IP>:5060
> listen=tcp:10.0.0.4:5060 advertise <PUBLIC-IP>:5060
> 
> Sip Message:
> 2025/06/04 15:50:37.870679 64.16.250.10:5060 -> 10.0.0.4:5060 INVITE
> sip:+351200600020@<PUBLIC-IP>:5060 SIP/2.0
> Record-Route: <sip:64.16.250.10;r2=on;lr;ftag=DpHvv09240egQ>
> Record-Route: <sip:10.255.0.2;r2=on;lr;ftag=DpHvv09240egQ>
> Via: SIP/2.0/UDP
> 64.16.250.10;branch=z9hG4bKd59a.fb67bf395ea20488a7a5ebf76b9b5685
> .0
> v:SIP/2.0/UDP
> 10.239.196.24:6000;received=10.239.196.24;rport=6000;branch=z9hG4bKy
> 9ZvBZcgretvr
> Max-Forwards:48
> f:"+351908020050"<sip:[email protected]>;tag=DpHvv0924
> 0egQ
> t:<sip:+351200600020@<PUBLIC-IP>:5060>
> i:122d71bb-4f3d-473f-8853-9137023f1f14
> CSeq:99972326 INVITE
> m:<sip:[email protected]:6000>
> Allow:INVITE,ACK,BYE,CANCEL,OPTIONS,MESSAGE,INFO,UPDATE,REFER,NOT
> IFY
> k:timer,path
> u:talk,hold,conference,refer
> Privacy:none
> c:application/sdp
> Content-Disposition:session
> l:202
> P-Asserted-
> Identity:"+351908020050"<sip:[email protected];verstat=No-
> TN-Validation>
> 
> v=0
> o=Telnyx 1749019739 1749019740 IN IP4 50.114.147.4 s=Telnyx c=IN IP4
> 50.114.147.4
> t=0 0
> m=audio 32498 RTP/AVP 9
> a=rtpmap:9 G722/8000
> a=sendrecv
> a=rtcp:32499 IN IP4 50.114.147.4
> a=ptime:20
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