The phones will not actually register with CUCM in this model so no licenses should be required :)
To enable an external directory resource on supported Cisco Unified IP phones and disable local directory services on those same phones, perform the following steps.
To use a Cisco Unified Communications Manager directory as an external directory source for Cisco Unified CME phones, the Cisco Unified Communications Manager must be made aware of the phones. You must list the MAC addresses of the Cisco Unified CME phones in the Cisco Unified Communications Manager and reset the phones from the Cisco Unified Communications Manager. It is not necessary for you to assign ephone-dns to the phones or for the phones to register with Cisco Unified Communications Manager.
Provisioning of the directory URL to select an external directory resource disables the Cisco Unified CME local directory service.
It is my understanding that the reason you can't just point a CME Phones to CUCM directory is is becuase the CUCM requires the LOCALE to be specified during the lookup and if an unknown device makes a lookup request it will error out. The workaround has been to add the phone in call manager even though the CME phone is not actually registering to call manager so it will satisfy the requirement of having a LOCALE. Now this workaround has become less attractive since the implementation of DLU's for licensing. So to answer your question above, the answer is yes it will take up a license per phone that wants to use CUCM for it's idle URL. For customers that have needed this functionality and is willing to pay for it I have implemented a 3rd party URL Dirctectory that in my few cases queried AD for the Name/Extension output.
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...