I have one suggestion for you - Dont use Grandstream. I dont know which stack
they use - But be it gateway or phone - Its simply unstable (gave up trying)
Date: Mon, 23 Apr 2012 11:54:14 -0700
From: branderso...@msn.com
To: sipx-users@list.sipfoundry.org
Subject: Re: [sipx-users] Grandstream GXW4104
Could Problem number two be caused by incorrect Refresher, or timer settings?
If so, what should they be?
On the gateway:
Session Expiration:
(in seconds. default 180 seconds)
Min-SE:
(in seconds. default and minimum 90 seconds)
Caller Request Timer:
Yes
No (Request for timer when making outbound calls)
Callee Request Timer:
Yes
No (When caller supports timer but did not request one)
Force Timer:
Yes
No (Use timer even when remote party does not support)
UAC Specify Refresher:
UAC
UAS
Omit (Recommended)
UAS Specify Refresher:
UAC
UAS (When UAC did not specify refresher tag)
-Bryan Anderson
On Wed, Apr 18, 2012 at 10:37 AM, Bryan Anderson <branderso...@msn.com> wrote:
I have been having issues with a new Grandstream GXW4104 fxo gateway and was
wondering if anyone could help.
We have 4 pstn lines from qwest going into the gateway. All calls go to an
Auto Attendant when answered.
the two problems we have experienced are:
1) After about 1-1.5 hours the call hit the Auto Attendant but wont transfer
out. Some dials and extension they just get dead air. (this is fixed by
rebooting the gateway.)
2) The external uses (either some one who called it, or some one we have
called) stop hearing audio, but we can still here them. This happens anywhere
from 1-10 minutes into the call.
sipXecs
(4.4.0- 2011-08-14EDT19:47:12 domU-12-31-39-04-D4-A1)
Grandstream firmware: Program--1.3.4.13 Loader--1.1.3.4 Boot--1.1.3.2
The phones are 1 Polycom IP 550 and 7 Polycom SoundPoint IP 331
-Bryan Anderson
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