Yes. Add a translation pattern in a partition accessible to the phone's CSS that converts the four-digit extension into the whole number. That translation pattern must also have a CSS on it which can reach the destination.
When adding patterns you will need to be careful to not create indavertant T.302 timer problems (aka inter-digit timeout). For example, if the whole number is 4045554000 and you create a translation pattern of 4XXX -> 404555XXXX you will have a problem. CUCM will always wait after you enter 4000 to see if you're going to add another digit because there are two possible matches: 4045554000 and 4000.
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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 ...