[asterisk-users] gxp2000 and no sound asterisk 1.6

[Gordon Henderson]

On Wed, 14 Jan 2009, Ralf Träskman wrote:

> Hi
>
> Yes we use voip as external.

If the asterisk box is behind NAT itself, then you need to port-forward 
ports 5060 and 10000-20000 on the firewall to the asterisk box. Then you 
need to make sure that localnet= and externip= are set correctly in 
sip.conf.

Gordon


>
> /ralf
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Gordon Henderson
> Sent: den 14 januari 2009 10:46
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] gxp2000 and no sound asterisk 1.6
>
> 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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