asterisk users - Feb 2004 - SIP Extrange Problem

Hi all,
    For a few days we have a very extrange problem. We have an intranet
with Budgetone and others SIP Phones. 
In the extranet We Have Budgetone Phones. The whole system was working
well between the extranet and the intranet until a few days ago. 
When we try to speak with a Budgetone of the intranet, we can speak
during a few seconds but after a time the audio is cut in the sense of
intranet-extranet. 
The problem is not only it, but if a budgetone of the intranet speaks
with another phone of the intranet the same thing happens. 
After a time of conversation the audio is cut in the sense of the
budgetone to another phone. I see the next meesage in debug:
 
Feb 26 10:50:04 DEBUG[50193]: Didn't get a frame from channel:
SIP/707-996a

I have checked the files of configuration. It does not appear at all any
more in the files of logs and I do not know that to do. 
Can it be a problem of the internal network? of the switches? Is there
any bug in the budgetones?
 
Any idea?
 
 
Thanks,
 
srsergio
 
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Hi!
> For a few days we have a veryextrange problem. We have an intranet 
> with Budgetone and others SIP Phones. 
> In the extranet We HaveBudgetone Phones. The whole system was working 
> well between the extranet and the intranet until a few days ago. 
What did you change "a few days ago"?
> When we try to speak with a Budgetone of the intranet, we can speak 
> during a few seconds but after a time the audio is cut in the sense of 
> intranet-extranet. 
Make sure that you have silence suppression turned off in the GS web 
config. Asterisk cannot deal with that correctly.
> The problem is not only it, but if a budgetone of the intranet speaks 
> with another phone of the intranet the same thing happens. 
> After a time of conversation the audio is cut in the sense of the 
> budgetone to another phone. I see the next meesage in debug:
> 
> Feb 26 10:50:04 DEBUG[50193]: Didn't get a frame from channel: SIP/707-
> 996a
If you have a firewall in between the two clients then you might have 
your problem there where the router/firewall closes ports after x 
seconds.
> I have checked the files of configuration. It does not appear at all any 
> more in the files of logs and I do not know that to do. 
> Can it be a problem of the internal network? of the switches? Is there 
> any bug in the budgetones?
Probably not just one bug - you can try to upgrade the firmware, might 
help. It is also possible that your switch is faulty, just recently I had 
such a case, so try to use another switch (best if you use another brand, 
not just switch of the same model).

Cheers, Philipp