21 Results for:SIP
- Sort by:
Session Initiation Protocol (SIP)
Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, modifying and terminating real-time sessions that involve video, voice, messaging and other communications applications ... Read Full Definition
Associated Glossaries
SIP trunking (Session Initiation Protocol trunking)
Session Initiation Protocol trunking is a service offered by a communications service provider that uses the protocol to provision voice over IP connectivity between an on-premises phone system and the public ... Read Full Definition
session border controller (SBC)
A session border controller (SBC) is a dedicated hardware device or software application that governs the manner in which phone calls are initiated, conducted and terminated on a voice over Internet Protocol (VoIP)... Read Full Definition
Associated Glossaries
busy lamp field (BLF)
A busy lamp field (BLF) is a light on a VoIP phone -- also known as an IP phone -- that tells end users when another extension within the system is in use by displaying a clear status on the phone's display. Read Full Definition
Associated Glossaries
Switched Multimegabit Data Service (SMDS)
Switched Multimegabit Data Service (SMDS) is a public, packet-switched service aimed at enterprises that need to exchange large amounts of data with other enterprises over the wide area network on a nonconstant or ... Read Full Definition
Associated Glossaries
trunk (trunking)
A network trunk is a communications line or link designed to carry multiple signals simultaneously to provide network access between two points. Read Full Definition
Associated Glossaries
network convergence
Network convergence is the efficient coexistence of telephone, video and data communication within a single network. Read Full Definition
Associated Glossaries
FaceTime
FaceTime is a proprietary video and audio calling service developed by Apple Inc., primarily used on iOS, iPadOS and macOS devices. Read Full Definition
Associated Glossaries
session layer
The session layer is Layer 5 of the OSI communications model. It is the long-lived logical connection that persists between endpoints over time. Read Full Definition
Associated Glossaries
bring your own carrier (BYOC)
Bring your own carrier (BYOC) is a method of letting businesses choose their own carrier to connect their unified communications provider to the public switched telephone network. Read Full Definition
Associated Glossaries