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RECENT IETF DRAFTS
SIP internet drafts statistics
- 53 SIP related internet drafts (IETF).
- 1 new and updated drafts posted in the last 14 days.
| Title | Author | Date |
| A Framework for Session Initiation Protocol (SIP) Session Policies | Volker Hilt, Gonzalo Camarillo, Jonathan Rosenberg | 2011-02-18 |
| Proxy servers play a central role as an intermediary in the Session Initiation Protocol (SIP) as they define and impact policies on call routing, rendezvous, and other call features. This document specifies a framework for SIP session policies that provides a standard mechanism by which a proxy can define or influence policies on sessions, such as the codecs or media types to be used. It defines a model, an overall architecture and new protocol mechanisms for session policies. | ||
| Controlling Session Initiation Protocol (SIP)-Established Content Delivery Channels Using the Real-Time Streaming Protocol (RTSP) | Jan Lindquist, Jouni Maenpaa, Priya Rajagopal, Xavier Marjou | 2010-06-09 |
| The Session Initiation Protocol (SIP) is widely used for establishing multimedia sessions, whereas the Real Time Streaming Protocol (RTSP) is used in streaming media systems. RTSP has a dual role: it establishes a media session for the delivery of streaming media as well as controls the streaming session once it has been set up. Since SIP is also used for session establishment, there exists an overlap between the functionality provided by SIP and RTSP. In this document, we describe a model adopted by ETSI TISPAN, 3GPP, and Open IPTV Forum (OIPF) in which SIP and the SDP offer/answer model are used to set up a streaming session with an RTSP control channel and one or more media delivery streams. Such a model is beneficial since it allows the reuse of current architecture and functionality (e.g., authentication, charging, and QoS) established around SIP for RTSP- based streaming. The model benefits applications such as Internet Protocol Television (IPTV). In addition to the model, the document specifies two new variants of RTSP. | ||
| A Session Initiation Protocol (SIP) Event Package for Session-Specific Session Policies. | Volker Hilt, Gonzalo Camarillo | 2010-03-23 |
| This specification defines a Session Initiation Protocol (SIP) event package for session-specific policies. This event package enables user agents to subscribe to session policies for a SIP session and to receive notifications if these policies change. | ||
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