Login Form
RECENT IETF DRAFTS
SIP internet drafts statistics
- 145 SIP related internet drafts (IETF).
- 12 new and updated drafts posted in the last 14 days.
| Title | Author | Date |
| An Analysis of Do Not Disturb (DND) Implementations in the Session Initiation Protocol (SIP) | John Elwell, Srivatsa Srinivasan | 2007-11-16 |
| Do Not Disturb (DND) is a commonly used expression for indicating a condition where a human user of real-time communications does not wish to be interrupted by incoming calls or other forms of communication. This document discusses the nature of DND, ways of observing DND, and limitations of and possible improvements to DND support in the Session Initiation Protocol (SIP) and the Rich Presence Information Data Format (RPID). This work is being discussed on the bliss@ietf.org mailing list. | ||
| Concepts and Terminology for Peer to Peer SIP | David Bryan, Philip Matthews, Eunsoo Shim, Dean Willis | 2007-11-15 |
| This document defines concepts and terminology for use of the Session Initiation Protocol in a peer-to-peer environment where the traditional proxy-registrar and message routing functions are replaced by a distributed mechanism that might be implemented using a distributed hash table or other distributed data mechanism with similar external properties. This document includes a high-level view of the functional relationships between the network elements defined herein, a conceptual model of operations, and an outline of the related open problems being addressed by the P2PSIP working group. As this document matures, it is expected to define the general framework for P2PSIP. | ||
| Using ICE to establish SIP Dialogs | Bruce Lowekamp, David Bryan | 2007-11-13 |
| This draft explores a way SIP can be extended to allow a new dialog directly between the endpoints to replace an initial dialog that had one or more proxies in the signalling path. This technique relies on ICE to perform hole punching that allows a direct connection to be used in deployments where a sip-outbound proxy or SBC is used to establish SIP connections across NAT or firewall boundaries. It can also be used to replace such a dialog with a secure connection directly between the endpoints. This technique can be applied to traditional proxy-based SIP routing as well as to emerging P2PSIP deployments that lack centrally located proxies. This draft describes early work that evolved from ideas initially developed for P2PSIP that are no longer being pursued. We are interested in feedback on whether there is broader interest in these techniques. | ||
| Subscriptions to Request-Contained Resource Lists in the Session Initiation Protocol (SIP) | Gonzalo Camarillo, Adam Roach, Orit Levin | 2007-11-13 |
| This document specifies a way to create subscription to a list of resources in SIP. This is achieved by including the list of resources in the body of a SUBSCRIBE request. Instead of having a subscriber send a SUBSCRIBE request for each resource individually, the subscriber defines the resource list, subscribes to it, and gets notifications about changes in the resources\' state using a single SUBSCRIBE dialog. | ||
| Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP) | Gonzalo Camarillo, Alan Johnston | 2007-11-13 |
| This document describes how to create a conference using SIP URI-list services. In particular, it describes a mechanism that allows a user agent client to provide a conference server with the initial list of participants using an INVITE-contained URI-list. | ||
| Framework and Security Considerations for Session Initiation Protocol (SIP) Uniform Resource Identifier (URI)-List Services | Gonzalo Camarillo, Adam Roach | 2007-11-13 |
| This document describes the need for SIP URI-list services and provides requirements for their invocation. Additionaly, it defines a framework for SIP URI-List services, which includes security considerations applicable to these services. | ||
| The Session Initiation Protocol (SIP) P-Refused-URI-List Private-Header (P-Header) | Jani Hautakorpi, Gonzalo Camarillo | 2007-11-12 |
| This document specifies the Session Initiation Protocol (SIP) P-Refused-URI-List Private-Header (P-Header). This P-Header is used in the Open Mobile Alliance\'s (OMA) Pust to talk over Cellular (PoC) system. It enables URI-list servers to refuse the handling of incoming URI-list that have embedded URI-lists. This P-Header also makes it possible for the URI-list server to inform the client about the embedded URI-list that caused the rejection and the individual URIs that form such a URI-list. | ||
| A Session Initiation Protocol (SIP) Media Feature Tag for MIME Application Sub-Types | Jonathan Rosenberg | 2007-11-12 |
| The caller preferences specification for the Session Initiation Protocol (SIP) allows a caller to express preferences that the call be routed to a User Agent (UA) with particular capabilities. Similarly, a specification exists to allow a UA to indicate its capabilities in a registration. Amongst those capabilities are the type of media streams the agent supports, described as top-level MIME types. The \'application\' MIME type is used to describe a broad range of stream types, and provides insufficient granularity as a capability. This specification allows a UA to indicate which application sub-types the agent supports. | ||
| Obtaining and Using Globally Routable User Agent (UA) URIs (GRUU) in the Session Initiation Protocol (SIP) | Jonathan Rosenberg | 2007-10-11 |
| Several applications of the Session Initiation Protocol (SIP) require a user agent (UA) to construct and distribute a URI that can be used by anyone on the Internet to route a call to that specific UA instance. A URI that routes to a specific UA instance is called a Globally Routable UA URI (GRUU). This document describes an extension to SIP for obtaining a GRUU from a registrar and for communicating a GRUU to a peer within a dialog. | ||
| Requesting Answering Modes for the Session Initiation Protocol (SIP) | Dean Willis, Andrew Allen | 2007-09-06 |
| This document defines extends SIP with two header fields and associated option tags that can be used in INVITE requests to convey the requester\'s preference for user-interface handling related to answering of that request. The first header, "Answer-Mode", expresses a preference as to whether the target node\'s user interface waits for user input before accepting the request or instead accepts the request without waiting on user input. The second header, "Priv- Answer-Mode" is similar to the first, except that it requests administrative-level access and has consequent additional authentication and authorization requirements. These behaviors have applicability to applications such as Push-to-Talk and to diagnostics like loop-back. Usage of each header field in a response to indicate how the request was handled is also defined. | ||
| A Session Initiation Protocol (SIP) Event Package for Session-Specific Session Policies | Volker Hilt, Gonzalo Camarillo | 2007-08-24 |
| 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. | ||
| IPv6 Transition in the Session Initiation Protocol (SIP) | Gonzalo Camarillo | 2007-08-17 |
| This document describes how IPv4 Session Initiation Protocol (SIP) user agents can communicate with IPv6 SIP user agents (and vice versa) at the signaling layer as well as exchange media once the session has been successfully set up. Both single- and dual-stack (i.e., an IPv4-only and an IPv4/IPv6) user agents are considered. | ||
| SIP Interface to VoiceXML Media Services | Dave Burke | 2007-07-12 |
| This document describes a SIP interface to VoiceXML media services, which is commonly employed between application servers and media servers offering VoiceXML processing capabilities. | ||
| A Session Initiation Protocol (SIP) Extension for the Identification of Services | Keith Drage | 2007-07-12 |
| This document describes private extensions to the Session Initiation Protocol (SIP) that enable a network of trusted SIP servers to assert the service of authenticated users. The use of these extensions is only applicable inside an administrative domain with previously agreed-upon policies for generation, transport and usage of such information. This document does NOT offer a general service identification model suitable for use between different trust domains, or use in the Internet at large. The document also defines a URN to identify both services and UA applications. This URN can be used to identify services within the SIP header fields defined in this document, and also within the framework defined for caller preferences and callee capabilities in RFC 3840 [9] and RFC 3841 [10] to identify usage of both services and applications between end UAs. | ||
| Registration Event Package Extension for Session Initiation Protocol (SIP) Globally Routable User Agent URIs (GRUUs) | Paul Kyzivat | 2007-07-09 |
| RFC 3680 defines a Session Initiation Protocol (SIP)[5] event package for registration state. This package allows a watcher to learn about information stored by a SIP registrar, including its registered contact. However, the registered contact is frequently unreachable and thus not useful for watchers. The Globally Routable User Agent URI (GRUU), defined in RFC YYYY [3], is a URI that is capable of reaching a particular contact. However this URI is not included in the document format defined in RFC 3680. This specification defines an extension to the registration event package to include GRUUs assigned by the registrar. | ||
| Indicating Support for Interactive Connectivity Establishment (ICE) in the Session Initiation Protocol (SIP) | Jonathan Rosenberg | 2007-06-19 |
| This specification defines a media feature tag and an option tag for use with the Session Initiation Protocol (SIP). The media feature tag allows a UA to communicate to its registrar that it supports ICE. The option tag allows a User Agent (UA) to require support for ICE in order for a call to proceed. | ||
| Framework for Transcoding with the Session Initiation Protocol (SIP) | Gonzalo Camarillo | 2006-12-01 |
| This document defines a framework for transcoding with SIP. This framework includes how to discover the need for transcoding services in a session and how to invoke those transcoding services. Two models for transcoding services invocation are discussed: the conference bridge model and the third party call control model. Both models meet the requirements for SIP regarding transcoding services invocation to support deaf, hard of hearing, and speech-impaired individuals. | ||
| The Session Initiation Protocol (SIP) Conference Bridge Transcoding Model | Gonzalo Camarillo | 2006-06-06 |
| This document describes how to invoke transcoding services using the conference bridge model. This way of invocation meets the requirements for SIP regarding transcoding services invocation to support deaf, hard of hearing and speech-impaired individuals. | ||
| A Framework for Application Interaction in the Session Initiation Protocol (SIP) | Jonathan Rosenberg | 2005-07-20 |
| This document describes a framework for the interaction between users and Session Initiation Protocol (SIP) based applications. By interacting with applications, users can guide the way in which they operate. The focus of this framework is stimulus signaling, which allows a user agent to interact with an application without knowledge of the semantics of that application. Stimulus signaling can occur to a user interface running locally with the client, or to a remote user interface, through media streams. Stimulus signaling encompasses a wide range of mechanisms, ranging from clicking on hyperlinks, to pressing buttons, to traditional Dual Tone Multi Frequency (DTMF) input. In all cases, stimulus signaling is supported through the use of markup languages, which play a key role in this framework. | ||
| Implications of {retransmission-allowed} for SIP Location Conveyance | Jon | 0000-00-00 |
| {draft-peterson-geopriv-retransmission-00.txt} | ||
| << Start < Prev 1 2 3 4 5 6 Next > End >> | ||
| Display # Results 126 - 145 of 145 | ||
