[Asterisk-Users] Grandstream HT-286 and NAT

[Glen Hinkle]

I'm using this scenario & have had no problems.  
When you say that HT-286-2 begets silence, do you mean it does not ring,
or that when you pick up after the ring there is no audio?  

-g


On Fri, 2004-06-18 at 14:31, Nathan Martinez wrote:
> I have 2 Grandstream HT-286 devices and an Asterisk server.  The *
> Server is not using NAT and has port 5060 opened up.  One HT-286 is
> using traditional NAT and the other HT-286 is behind a residential DSL
> router/firewall.  I have the HT-286 setup as the "DMZ Host" in the
> router/firewall so that all incoming connections are forwarded to the
> HT-286.
> 
> HT-286-1 ====== NAT FW ====== * Server ======= Router/FW ====== HT-286-2
> 
> In the setup for HT-286-2 , I have filled in the "Use NAT IP" field with
> the public IP for that location.  I did the same thing for HT-286-1 and
> then I mapped a public IP to its private IP in the NAT FW.  At this
> point, the two devices can call each other without any problems.
> 
> I want to use the HT-286 for our traveling users who will never know
> what their IP is.  When I remove the "Use NAT IP" entry on HT-286-1 as
> well as remove its direct IP mapping from the NAT FW, HT-286-1 can
> register with the * Server, but when I try to call HT-286-2, all I get
> is silence.  If I do a 'sip show channels' it shows that the call is
> connected.  Here is what I have in my sip.conf for these two units:
> 
> [305]
> type=friend
> host=dynamic
> nat=yes
> qualify=100
> 
> [307]
> type=friend
> host=dynamic
> nat=yes
> qualify=100
> 
> Has anyone used these units in this scenario?  Does anyone have any
> hints as to what I can try to get this working?  Your help is much
> appreciated.
> 
> Nathan Martinez
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