A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : INFO Usage Examples for Network-based Mid-Call Service
Author(s) : J. Hwang
Filename : draft-hwang-sipping-infomidcall-00.txt
Pages : 11
Date : 2004-2-9
This document describes the INFO usage examples for network based
mid-call service. Mid-call based services are for example, Call
Transfer, Call Waiting, and Three-Way Calling. Other possible mid-
call services are useful and important, even more in IP multimedia
network. The cases described in SIP service examples (draft-ietf-
sipping-service-examples-05) are Terminal-basis. Since the service
procedures are fixed in the Terminal, the features are not extensible.
This document propose network-based mid-call control mechanism with
INFO and show examples that simple mid-call request (INFO) from the
Terminal, the network application server provide various mid-call
services by prompting user through the Media Server, according to the
subscription information of the user.
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