On Wed, 14 Jan 2009, Ralf Träskman wrote:

Hi

I have a grandstream gxp-2000 and trying it on an asterisk 1.6.

When I call internally between extensions I can hear the other person in the gxp2000, but when I call externally from the gxp I can't hear the person on the other end, but he can hear me.

How do you configure the grandstream 2000 to work on asterisk 1.6?

First, upgrade your asterisk to 1.2 ... ;-)

What is the external connection? Is it VoIP, PSTN, or ... ?

If it's VoIP then it's almost certian to be a NAT problem with your network/router.

There's no magic in setting up GXP2000's - they're fairly straightforward, and if you can do phone to phone, (via an asterisk) they're probably OK.

Let us know more about the external connection technology...

Gordon
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