there is a customer who is little tight in budget. they have polycom 450, 550, and 330 IP phone. They like to purchase UC520. I am wondering if those phones are compatible with UC520, or if there is any documentation to have UC520 compatibility.
Cisco says that they only support cisco phones and if something doesn;t work with third-party, you're on your own.
This said, basic calls will certainly work, thing is all the features will be awkward to activate, and some won't work at all, at the end of the day it without cisco phones comes out quite a poor system and likely custome unsatisfied.
The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...
This document describe how DST changes and how time changes are
implemented in DST. Daylight Saving Time (DST) is the practice of
setting the clocks forward 1 hour from standard time during the summer
months, and back again in the fall, in order to make b...