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COMCOM
2006

Personalization of internet telephony services for presence with SIP and extended CPL

8 years 10 months ago
Personalization of internet telephony services for presence with SIP and extended CPL
This paper discusses issues of personalization of presence services in the context of Internet Telephony. Such services take into consideration the willingness and ability of a user to communicate in a network, as well as possibly other factors such as time, address, etc. Via a three-layer service architecture for communications in the Session Initiation Protocol (SIP) standard, presence system basic services and personalized services (personal policies) are clearly separated and discussed. To enrich presence related services, presence information is illustratively extended from the well known "online" and "offline" indicators to a much broader meaning that includes "location", "lineStatus", "role", "availability" etc. Based on this, the Call Processing Language (CPL) is extended in order to describe presence related personalized services for both call processing systems and presence systems using information such as a person&...
Dongmei Jiang, Ramiro Liscano, Luigi Logrippo
Added 11 Dec 2010
Updated 11 Dec 2010
Type Journal
Year 2006
Where COMCOM
Authors Dongmei Jiang, Ramiro Liscano, Luigi Logrippo
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