<div dir="ltr">Hello guys,<div><br></div><div><div>I have this scenario where I have an ongoing transaction.</div><div>I receive a 180 (non 100rel) with some to_tag, which i forward back to the caller.</div><div>Then I receive an 183 (100rel) which is forwarded back to the caller, who in turn PRACKs it.</div><div>It is then that Kamailio (apparently) can't match that transaction internally and replies to the caller (the one PRACKing the 183 (100rel)), with 493 FORBIDDEN.</div><div><br></div><div>I'm attaching a trace flow. (Kamailio is 10.255.0.1) you need to open the email really wide to see it properly.</div><div><br></div><div>Anyone ever encountered this?</div><div>Is this valid and should work?</div><div><div dir="ltr"><div dir="ltr"><div><font face="monospace"><br></font></div><div><font face="monospace">|Time     | 10.15.169.4 (FS)     10.255.0.1 (KAM) | (KAM) 1.1.1.10          1.2.3.13      |<br>|         |                   |                   |                   |                   |                   <br>|         |                   |                   |                   |                   |                   <br>|0.000000 |         INVITE SDP (g722 g71          |                   |                   |<br>|         |(6000)   ------------------>  (5060)   |                   |                   |<br>|0.000941 |         100 Telnyx trying             |                   |                   |<br>|         |(6000)   <------------------  (5060)   |                   |                   |<br>|0.046558 |                   |                   |         INVITE SDP (g722 g71          |<br>|         |                   |                   |(33033)  ------------------>  (5060)   |<br>|0.102078 |                   |                   |         100 Trying, boss              |<br>|         |                   |                   |(33033)  <------------------  (5060)   |<br>|0.386867 |                   |                   |         180 Ring a ling a li          |<br>|         |                   |                   |(33033)  <------------------  (5060)   |<br>|0.387578 |         180 Ring a ling a li          |                   |                   |<br>|         |(6000)   <------------------  (5060)   |                   |                   |<br>|3.413368 |                   |                   |         181 Prending to forw          |<br>|         |                   |                   |(33033)  <------------------  (5060)   |<br>|3.414373 |         181 Prending to forw          |                   |                   |<br>|         |(6000)   <------------------  (5060)   |                   |                   |<br>|6.441704 |                   |                   |         183 Seeing what I ca          |<br>|         |                   |                   |(33033)  <------------------  (5060)   |<br>|6.442896 |         183 Seeing what I ca          |                   |                   |<br>|         |(6000)   <------------------  (5060)   |                   |                   |<br>|6.890173 |         PRACK     |                   |                   |                   |<br>|         |(6000)   ------------------>  (5060)   |                   |                   |<br>|6.895497 |         403 Forbidden R1              |                   |                   |<br>|         |(6000)   <------------------  (5060)   |                   |                   |<br>|9.473035 |                   |                   |         486 Actually, I'm qu          |<br>|         |                   |                   |(33033)  <------------------  (5060)   |<br>|9.473561 |                   |                   |         ACK       |                   |<br>|         |                   |                   |(33033)  ------------------>  (5060)   |<br>|9.473902 |         486 Actually, I'm qu          |                   |                   |<br>|         |(6000)   <------------------  (5060)   |                   |                   |<br>|9.921200 |         ACK       |                   |                   |                   |<br>|         |(6000)   ------------------>  (5060)   |                   |                   |</font><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div>Regards,</div><div><br></div></div></div></div></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">David Villasmil<div>email: <a href="mailto:david.villasmil.work@gmail.com" target="_blank">david.villasmil.work@gmail.com</a></div><div>phone: +34669448337</div></div></div></div></div>