[Asterisk-Users] Why, why, why???

[Ferguson, Michael]

The * server is behind a Watchguard Firewall and I do have ports
forwarded. I will chyeck them on Monday. Thanks to all.

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Wilson
Pickett
Sent: Saturday, December 04, 2004 10:54 AM
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] Why, why, why???


> We have Grandstream SIP phones with the latest firmware versions and 
> have also have this problem.  It appears to be something to do with 
> RTP, I believe.  I don't know exactly what (simply because I don't 
> know much about RTP as yet), but the packets don't seem to reach the 
> Grandstream from the other phone.  The phones appear to work correctly

> when located on the same LAN segment.  But, when one is placed behind 
> a NAT router, the dynamic changes and one-way audio seems to happen 
> frequently.  I've

Are you forwarding ports? What ports have you set asterisk to? 

IIRC the GS phones come with 8000 by default and asterisk comes with
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