The additional difference is that with route group you are able to select distribution algorithm, so you do not have to use 1 trunk before the other, but rather do circular routing which will load balance the calls. My best practice for trunks/circuits that share the same destination and manipulate the digits the same is to place them into 1 route group with circular algorithm and point the route list to this route group.
In addition for SIP trunks with version 8.5+ you can now point to up to 16 SIP destination on the SIP trunk, so that may be an option as well.
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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 ...