Hi Tony, Thanks for the feedback.
Linksys switches in use are the latest two managed models - 24 and 48 ports and the site have quite a number of them deployed (main switch where sip server and gateways are, then extended to about 5-to-6 location via uplink port - the extended locations also use the same switch for phone end-point connection) I have looked at the docs and web config but can't see any setting regarding power budget. As the end-user already purchased number of these switches, replacing all with HP Procurve will be relatively costly and perhaps not practical taking into account the shrinking budgets. >>I would try adding external AC adapters on phones leaving no more than 12 POE >>devices on the switch and turning off POE on the AC powered phones and see if >>it still happens. I have about 4 Polycom 430/440s where it comes with AC adapter, where i can try this. However, how do i turn off the PoE on the AC powered Polycom 330s ? Don't recall such setting at least in phone's menu display. Is this something i will do from the config XML files or the web UI of phonese? I will have access to them tomorrow and would like to try Polycom 330 with AC powered while the PoE setting turned off on the phone. all the best! On 9/13/2009 8:24 PM, Tony Graziano wrote: > Have you observed the "power budget" in your Linksys switch? Linksys has a > total number of watts available and while you can oversubscribe the number of > ports providing POE you are still well under the "wattage budget". > The Linksys documentation is confusing and says you can power a certain > number of ports and have a wattage of I think "180". The 330's take far less > wattage that the port puts out, and it will allow POE on more than "12" > ports, though I don't specifically think it is explicitly supported. > I have never had a problem with HP Procurve and phones freezing. I have an > occasional issue using a Linksys switch, then we moved a few users to another > part of the office on a separate switch and it stopped happening (these were > Polycom 330's also). > On my main site We have almost 100 phones with 650's and 330's, they never > "freeze", but we have procurve there. > > I would try adding external AC adapters on phones leaving no more than 12 POE > devices on the switch and turning off POE on the AC powered phones and see if > it still happens. I can say that though because all of my 650's came with > power adapters and I have a box of them. > I suspect this is related to the switch, maybe more than a hunch but beyond a > fluke tester or the above, I can't prove it. Just a theory. > >>>> Cuneyt M<[email protected]> 09/13/09 8:16 AM>>> >>>> > Thanks Scott. I will try to rent a HP Procurve and check out the Fluke > PoE analyzer. > > However, can i run SIP 2.2.2 for Polycom 330s with Sipx 4.0.2 ? > I dont see the version number when editing phone profile anymore and not > sure what are the possible issues running 2.2.2 > > That was the only version that did not freeze. I can at least prevent > the end-user aggravation due to very frequent freezes. > > How should I go about running 2.2.2 with sipx 4.0.2? I am ok to dig > config files and edit as required. > > thanks in advance. > > On 9/13/2009 7:46 PM, Scott Lawrence wrote: > >> LAN analyzer from Fluke >> > _______________________________________________ > sipx-users mailing list [email protected] > List Archive: http://list.sipfoundry.org/archive/sipx-users > Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-users > sipXecs IP PBX -- http://www.sipfoundry.org/ > </[email protected]> > _______________________________________________ sipx-users mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-users Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-users sipXecs IP PBX -- http://www.sipfoundry.org/
