Senad Jordanovic wrote:

Hi,

Just received recently released Grandstream handytone 286 ATA for
testing.

I can call ATA from any other extensions and conversations seems to be
of quite good quality. However placing calls from ATA is not possible at
all to any extensions.
After dialing there no indications of any kind from ATA at all. It just
"hangs in there".

ATA is behind NAT, registers to an * with public IP with no problems and
it uses 1.0.4.17 firmware. Web config screen has detected "firewall/NAT
type is open Internet" as network firewall.



Are you able to use tcpdump on the asterisk box to capture traffic
from the ATA?  Or Ethereal if you have X installed on the Linux box.

It would be interesting to see if the ATA sends anything after you
dial the '1234#' sequence.

On my Grandstream 101 phone I have not had any trouble placing calls.
I don't have the 'Outbound Proxy' field configured, and I re-ordered
the codec preferences as well.  Other than that it is pretty much
stock with SIP server / user and authentication configured.

-Andrew

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