Glossary

BFCP is a protocol which allows control of a virtual conference floor in VoIP multimedia conferences. BFCP is specified in RFC 4582. A floor is a shared conference resource, which is available only to a single participant at a time. If the ability to present is considered such a resource, ...

IP Multimedia Subsystem (IMS) is a technology that defines how to set up advanced services for 3G cellular networks. IMS offers a flexible vehicle for quickly deploying new revenue-generating applications in the network. An IMS core network allows a service provider to deliver identical IP services to fixed and mobile ...

MSRP stands for Message Session Relay Protocol and is defined by IETF in RFC4975 and RFC 4976. MSRP is open text-based protocol which allows transmission of the media content of various size in the instant messaging scenarios via established session. MSRP can be used for text and file/image transfer in ...

Stream Control Transmission Protocol (SCTP) is a transmission layer, such asTCP or UDP.SCTP is a connection-oriented protocol (such as TCP), that deals with datagrams (such as UDP) rather than byte streams (such as TCP).Unlike TCP, SCTP provides a number of functions thatare critical for telephony reliable signaling transport over a ...

SDP (Session Description Protocol -RFC 4566) is the protocol used to describe multimedia session announcement, multimedia session invitation, and other forms of multimedia session initiation. A multimedia session is defined, forthese purposes, as a set of media streams that exist for a duration of time.SDP packets usually include the following ...

SIMPLE stands for Session initiation protocol for Instant Messaging and Presence Leveraging Extensions. SIMPLE is defined by IETF and uses another IETF protocol, SIP as a core. SIMPLE is an open standard which allows development of interoperable Presence and Instant messaging applications. SIMPLE protocol functionality is based on the number ...

The Session Initiation Protocol (SIP) is a signaling protocol for initiating, managing and terminating voice and video sessions across packet networks. Borrowing from Internet protocols, such as HTTP and SMTP, SIP is text-encoded and highly extensible. SIP can be extended to accommodate features and services such as call control services, ...

The SIP Forum is an industry association with members from the leading IP communications companies. Its mission: To advance the adoption of IP communications products and services based on SIP.The Forum promotes SIP as the technology of choice for the control of real-time multimedia communication sessions throughout the Internet, corporate ...

The SIPconnect Technical Recommendation is an industry-wide, standards-based approach to direct IP peering between SIP-enabled IP PBXs and VoIP service provider networks.BenefitsThe implementation of the SIPconnect standard benefits many participants in the delivery of voice communications.For end users in the small business or large enterprise, SIPconnect eliminates, or greatly reduces, ...

The SIPit, or Session Initiation Protocol Interoperability Test, is a weeklong event where people bring their SIP implementations to ensure they work together.Each SIPit is open to anyone with a working SIP implementation. The goal of the events is to refine both the protocol and its implementations. SIPit is a ...

The Session Traversal Utilities for NAT (STUN) protocol allows entities behind a Network Address Translators (NAT) to learnthe address bindings allocated by the NAT, to keep those bindings open, and communicate with other STUN-aware entities to validate connectivity and vitality. The STUN protocol was developed as a solution to some ...

The Unified Capabilities Requirements program is an initiative of the US federal government and defence organizations.The goal of the UCR program is to define and specify the technical requirements for network components, devices and applications to provide unified capabilities in a secure and manageable way all users and user groups. ...

XCAP stands for XML Configuration Access Protocol and it is defined by IETF in RFC4825. The purpose of XCAP is to allow manipulation of user-specific data via common HTTP mechanisms. One of important applications for XCAP is management of Presence and IM information in the SIP communication network, where it ...

XDM stands for XML Document Management and is an open standard defined by Open Mobile Alliance (OMA). Full specification can be found here. XDM is enabling interoperable Presence implementations (i.e. SIMPLE), and is used to access and manipulate various XML document stored across the network, all with established identity, authorization ...