[pjsip] PJNATH problem

yaron natan yaron.natan at gmail.com
Sat Aug 15 12:07:57 EDT 2009


Hello,

 

I have completed building my NAT traversal solution and I am stuck with one
problem.  I'll appreciate if you can help me.

 

The problem is that when testing between two PCs everything is o.k and ICE
succeeds, but when working with a Wireless Modem it fails. Both peers start
ICE negotiation almost simultaneously (around 1 second difference). When
capturing the packets on both sides, one side gets an ICMP destination
unreachable (port unreachable) reply and ICE negotiation fails. 

 

I have tried almost everything and still without success.  

 

BTW, I am using PJNATH version 1.3. 

 

I thought that ICE fails because packets arrive to remote side before the
hole-punching starts, so I added reties when ICE fails, but still no
success.

 

Have you encountered with such problem? 

 

Thanks a lot in advanced,

 

Yaron 

 

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