SIP Presence Introduction The UCM6XXX is now offering the ability to subscribe to extensions state and to be informed about the current...
DISA & CallBack UCM6XXX series offer DISA (Direct Inward System Access) and Callback features allowing users to get access to the system resources,...
Shared Call Appearance (SCA) This document introduces the concepts of the Shared Call Appearance (SCA) feature along with related settings on the UCM6XXX IP-PBX...
Wake-up Service Wake-up service can be used to schedule a reminder or wake-up call to any valid destination. There are several commercial...
Emergency Calls In critical situations, having the ability to make emergency calls to ask for help is a must for any telephony...