I have a current setup of Cisco CUCM v. 9.1. When 911 calls a remote location back after receiving a 911 call it's configured to ring an "all phones" extension at that branch that every phone is configured with.
I want to extend this further and have a custom message be displayed on the IP Phones when they answer that specific extension with our 911 protocol. Some sort of message that directs them on what our protocol is for 911 return calls.
I believe this is doable with XML but I'm not completely sure. Could someone provide me with more information on how this could be done?
The majority of the phone fleet are Cisco 7940, 7942, and 7945's.
Thank you for your time.