[Asterisk-Users] Asterisk, SIP phone , NAT

Dr. Michael J. Chudobiak mjc at avtechpulse.com
Sat Feb 25 09:11:15 MST 2006


> nat=yes
> qualify=yes

That works, but it works better if you use a NAT/firewall box that can 
do "VOIP transformations" automatically. The Sonicwall TZ170 can do 
this. It rewrites the packets auto-magically so things "just work". The 
above parameters can be set to "no" then.

It seems to work more reliably that way, in my experience.


- Mike



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