Abstract
Call services are getting more popular these days as new call processing technologies like VOIP are introduced to the market and Internet is being accepted by masses. It is becoming difficult for the equipment vendors to support all possible call services and allow the end users to subscribe them independently. This is because the number of possible combinations of the call services is very high. In order to facilitate this, there is a need to support the basic call features (like call forwarding, sending SMS/email etc) by the vendors and allow the service providers to enable the end-users to personalize their call services. This leads to another advantage of saving the cost of manufacturing as the manufacturer need not worry about the possible call services, rather, the manufacturer can just implement the basic call features (like providing JCC APIs) and leave the customization to the service provider / end-user. This white paper proposes an architecture that allows the end user to personalize their call services. It uses the call processing language (CPL), a lightweight extensible language, which is being standardized by IETF.

Authors Mahavir D Karnavat Shivaji Hogale

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