Hi, we have a UC520 which we are using for SIP trunking. We use it exclusively for making and receiving phone calls. If our DSL goes down, we obviously can't process calls so we're looking to implement some sort of redundancy.
My understanding is the UC520 product is aimed at small businesses and wasn't designed for built-in redundancy for VoIP calls as it only has one WAN connection F0/0. Therefore is the recommendation to purchase an additional router to put in front of the device and perform failover this way?
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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 ...