[asterisk-users] Asterisk PBX '&' '||' Grandstream GXP-2000 problem

[David Gomillion]

On 1/15/07, J. Espinal <rakh at dangerclan.net> wrote:
>
>  Hi People,
>
>     We use the Grandstream GXP-2000 phones, firmware 1.1.1.14, Asterisk
> PBX, Slackware Linux 10.2, loaded on a Intel(R) Pentium(R) 4 CPU 2.66GHzBox... The issues that we are experiencing involves our Telephone
> Operator's/Receptionist whom answer multiple incoming calls... As an
> example.., when they answer line 1 and Line 2 starts to ring they would ask
> the person on line 1 to "hold" and proceed to answer line 2 and forward line
> 2 to to the requested extension. The problem is when they attempt to pick
> line 1 off the "hold" in order to handle that call, line 1 is either dropped
> or the Grandstream Phone freezes and the user is forced to rest the phone.
> The situation persist whenever there are multiple lines active with incoming
> calls and upon answering one, placing the line on hold and attempting to
> answer the other lines active calls will be dropped the the phone just
> hangs/freezes. We know that the call is dropped because the people call back
> complaining about being hung up on!!!! We have had our dedicated T1 (for
> voice only) tested several times and it is good. We have had the Asterisk
> PBX completely redone and gone over thoroughly and are at the point where we
> are suspecting the configuration file for the Grandstream GXP-2000 Telephone
> as the culprit. We would like to know what suggestions anyone out there
> might have if any... Thanks,
>

Are you using G.729? Last I heard, grandstreams could only have one call via
G.729 at a time. It had something to do with the licensing that they used, I
think. Just a thought...
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