<div dir="ltr">Hi, <div>i had experienced a similar problem with polycom ip500, and this was a power adapter problem causing phone to reboot when speaker phone is on and sound volume is high :), replacing 500mp adapter with 1000ma fixed the problem. if you are using PoE then it's something related to phone firmware definitely.<div>
<br></div><div>-m<br><br><div class="gmail_quote">On Thu, Mar 25, 2010 at 8:42 AM, Gabriel Kuri <span dir="ltr"><<a href="mailto:gkuri@ieee.org">gkuri@ieee.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
If you're using central provisioning with the Linksys/Cisco Small<br>
Business series phones and you leave the Message_Waiting option in the<br>
config (which is the default, very stupid), the phones will reboot<br>
every time they sync the config, if they have a voicemail waiting.<br>
<br>
Check to see if the Linksys spontaneous reboots correlate with pulling<br>
down the config (assuming you're using central provisioning) and make<br>
sure you either comment or delete Message_Waiting from the config.<br>
<br>
You may also want to see if there's any correlation with DHCP and the<br>
phones renewing their IP. We put all of our phones on DHCP<br>
reservations, so their IP doesn't/shouldn't change. I'm not sure what<br>
the phone will do if it goes to renew its address and the DHCP server<br>
hands it a different IP, it may cause the phone to reboot?<br>
<br>
Cheers,<br>
Gabe<br>
<div><div></div><div class="h5"><br>
<br>
On Wed, Mar 24, 2010 at 6:35 PM, Wellie Chao <<a href="mailto:wchao@yahoo.com">wchao@yahoo.com</a>> wrote:<br>
> I am using Freeswitch and I have some phones that spontaneously reboot<br>
> (often in the middle of a call).<br>
><br>
> I did some searching around on the web, but didn't find any information<br>
> that really applied to the problem I'm experiencing. I have a few dozen<br>
> Polycom phones and a handful of Linksys phones of various models: Polycom<br>
> IP301, IP320, IP331, IP430, IP501, IP601; also Linksys SPA901, SPA921,<br>
> SPA941.<br>
><br>
> I also have snom phones, but they don't reboot spontaneously. It's only<br>
> the Polycom and Linksys phones that reboot spontaneously, and it seems to<br>
> be correlated to call volume. Heavy usage of the Polycom and Linksys<br>
> phones causes them to reboot more frequently (i.e. shorter duration<br>
> between the reboots). For people making 50 calls a day, the Polycom phones<br>
> spontaneously reboot every three days or so (and always on a call, it<br>
> seems). For people making one or two calls a day, the Polycom will go<br>
> months without a spontaneous reboot. This correlation between call volume<br>
> and reboot frequency leads me to believe that there is some bug in the<br>
> Polycom firmware, perhaps some of overflow condition that accumulates over<br>
> time and eventually causes a crash (and subsequent reboot).<br>
><br>
> I was wondering if anybody else experienced something similar, and whether<br>
> anyone had developed a solution. One thing I am considering is to set up a<br>
> script to reboot the Polycom phones in the middle of the night every day,<br>
> which would hopefully prevent them from spontaneously rebooting during the<br>
> day by preventing the phones from ever reaching the overflow condition (if<br>
> that is indeed what causes the reboots). A nightly reboot would be a<br>
> hackish way of fixing the problem, so I'd also love to hear if anybody has<br>
> any other speculations on what might be causing the spontaneous reboots.<br>
> We have phones in multiple buildings, and we've discovered that the<br>
> spontaneous reboots happen on phones on different networks, so it's not<br>
> specific to a particular LAN segment. For the most part, we are using the<br>
> standard config files for the Polycom phones and for the Linksys phones.<br>
><br>
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