RFC 2848 (rfc2848) - Page 1 of 73

The PINT Service Protocol: Extensions to SIP and SDP for IP Access to Telephone Call Services

Network Working Group                                        S. Petrack
Request for Comments: 2848                                      MetaTel
Category: Standards Track                                     L. Conroy
                                            Siemens Roke Manor Research
                                                              June 2000


                       The PINT Service Protocol:
   Extensions to SIP and SDP for IP Access to Telephone Call Services

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2000).  All Rights Reserved.

Abstract

   This document contains the specification of the PINT Service Protocol
   1.0, which defines a protocol for invoking certain telephone services
   from an IP network. These services include placing basic calls,
   sending and receiving faxes, and receiving content over the
   telephone. The protocol is specified as a set of enhancements and
   additions to the SIP 2.0 and SDP protocols.

Table of Contents

   1. Introduction .................................................  4
   1.1 Glossary ....................................................  6
   2. PINT Milestone Services ......................................  6
   2.1 Request to Call .............................................  7
   2.2 Request to Fax Content ......................................  7
   2.3 Request to Speak/Send/Play Content ..........................  7
   2.4 Relation between PINT milestone services and traditional
       telephone services ..........................................  7
   3. PINT Functional and Protocol Architecture ....................  8
   3.1. PINT Functional Architecture ...............................  8
   3.2. PINT Protocol Architecture .................................  9
   3.2.1. SDP operation in PINT .................................... 10
   3.2.2. SIP Operation in PINT .................................... 11
   3.3. REQUIRED and OPTIONAL elements for PINT compliance ......... 11
   3.4. PINT Extensions to SDP 2.0 ................................. 12



Petrack & Conroy            Standards Track