Consequently, devices
can be geographically distributed and served by a multiple switching system or PBXs, or
they can be served by a combination of PBXs and switching systems. This includes devices
served by wireless switching systems.
Then there are facilities like Presence-Enabled Conferencing where existing conference
services can be augmented to provide presence information to all participants, and Presence-
Enabled Find Me/Follow Me Service where the application server queries the presence
status of the wireless phone before forwarding the call and routes it to the appropriate
communication device accordingly. Other services include Presence-Sensitive Voice Mail
Greeting service to automatically switch between multiple prerecorded messages. Location-
based services cater to requirements regarding information like Location Information
0 Bandopadhyay & Kumar
Copyright ?© 2007, Idea Group Inc. Copying or distributing in print or electronic forms without written permission
of Idea Group Inc. is prohibited.
to simplify the interaction if the agent or IVR system knew the location of the calling party,
Location-Based Call Routing where incoming calls are forwarded to the nearest, idle wireless
phone or VoIP soft-client, and Location Proximity Alerting.
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