[Asterisk-Users] Polycom 600 problem

[Jon Radon]

Try swapping the working phone and the non working phone.  See if the
problem moves with the phone.


On Thu, 23 Dec 2004 10:52:27 -0500, Andrei (MPI)
<asterisk at markovprocesses.com> wrote:
> Hi Jared,
> 
> Thank you for your reply. That server is for asterisk only, things like
> X-windows and samba were not even installed there. I limited what I
> could from system point of view. Digium support has qualified the box as
> "clean" for TDM400P operations.
> 
> It is not clicks and pops, it's just brief moments of silence when I
> cannot hear the other side, while they can hear me okay. I will play
> more with configs and ideas you guys suggested.
> 
> Also it is really strange, that the problem always appears for a specfic
> phone. 9 phones are ALWAYS working just fine, while 1 phone is doing
> this interruptions for all outgoing calls, 2 more phones are having this
> problem from time to time. All the phones are same model and are
> configured in the same way, difference is only in extensions, voicemail
> box and user/passwords settings.
> 
> Echo cancellation? ulaw/alaw? Anything else? Thanks for your ideas.
> 
> Andrei
> 
> 
> Jared Armstrong wrote:
> 
> >Andrei,
> >
> >Do you have X-Windows running on the linux box? I had a similar issue
> >that was eliminated when I stopped this process and samba from running.
> >Now samba is only allowed to come up during non-business hours, for
> >changing BG music.
> >
> >Also, make sure your registration period in either (polycom) ipmd.cfg or
> >sip.cfg is set to be at least the default 3600 time period. I also
> >removed the qualify=2000 from my (asterisk) sip.conf file and now have
> >less clicks/pops. What it sounds like to me is possibly that you are
> >noticing a pop/click when asterisk as trying to re-qualify the phone
> >during the middle of a call. Also do you have Busydetect enabled? I had
> >to disable that setting in my Zapata.conf.
> >
> >Jared Armstrong
> >
> >-----Original Message-----
> >From: Andrei (MPI) [mailto:asterisk at markovprocesses.com]
> >Sent: Wednesday, December 22, 2004 7:09 PM
> >To: Asterisk Users Mailing List - Non-Commercial Discussion
> >Subject: [Asterisk-Users] Polycom 600 problem
> >
> >Hi there,
> >
> >We are using 10+ Polycom SP IP 600 phones with Asterisk and TMD400P with
> >
> >4 FXO lines.
> >
> >So far we have 3 phones with following problem: more or less frequently,
> >
> >for every call or ever other call, user of the phone would hear brief
> >interruptions on the line when dialing out via PSTN, like if someone
> >would be disconnecting and reconnecting the external line a few times
> >per second. At the same time Asterisk Voicemail, Music on hold, SIP to
> >SIP calls would work just perfect. Loud and clear.
> >
> >It is not dependant on network conditions, network configuration,
> >extension number, PSTN phone # dialed or particular network location of
> >the phone. So it is a problem with the phone. I've tested this quite
> >thoroughly: if I install a different 600 phone - that one would work
> >just fine at the same locations/extension/network connection etc. Cisco
> >7940 does not have this problem either.
> >
> >I already RMA-ed one of the Polycoms and looking to return the other 2.
> >Meanwhile, if someone can comment on this problem, that would be a great
> >
> >help!
> >
> >Other than this problem, the Polycoms 600 are excellent for Asterisk
> >setup.
> >
> >Thank you,
> >Andrei
> >
> >
> >
> >_______________________________________________
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> >
> >
> >
> >
> 
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