{"draft":"draft-garcia-sipping-poc-isb-am-04","doc_id":"RFC4354","title":"A Session Initiation Protocol (SIP) Event Package and Data Format for Various Settings in Support for the Push-to-Talk over Cellular (PoC) Service","authors":["M. Garcia-Martin"],"format":["ASCII","HTML"],"page_count":"21","pub_status":"INFORMATIONAL","status":"INFORMATIONAL","source":"IETF - NON WORKING GROUP","abstract":"The Open Mobile Alliance (OMA) is defining the Push-to-talk over\r\nCellular (PoC) service where SIP is the protocol used to establish\r\nhalf-duplex media sessions across different participants, to send\r\ninstant messages, etc.  This document defines a SIP event package to\r\nsupport publication, subscription, and notification of additional\r\ncapabilities required by the PoC service.  This SIP event package is\r\napplicable to the PoC service and may not be applicable to the\r\ngeneral Internet.  This memo provides information for the Internet community.","pub_date":"December 2005","keywords":["oma","open mobile alliance"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC4354","errata_url":null}