Key to exploring Cisco Unified Communications Architecture
presence
Understanding & Configuring Presence Service in Cisco Unified CME
A presence service is a system for finding,retrieving, and distributing presence information from a source, called a presence entity (presentity), to an interested party called a watcher.Presence Service enables the calling party to know before dialing whether the called party is available.Presence features uses SIP SUBSCRIBE and NOTIFY methods to allow users and applications to [...]
CUCM Presence Vs CUPS Presence
In Cisco Unified Communicator Manager (CUCM ) , Users can check the status of another phone via what is known as “Phone Presence” i.e status of phone/line DN being in either ON HOOK state, OFF HOOK state , DO NOT DISTURB state etc.This feature in CUCM is called BLF (Busy Lamp Field).BLF displays the real-time [...]
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