SIP

Session Initiation Protocol. A signaling protocol, developed by the Internet engineering task force (IETF).

SIP server

A server using the SIP protocol to manage calls between SIP devices.

Serial port

Serial ports are physical plug-ins. They allow two devices to exchange data.

SMTP

Simple Mail Transfer Protocol. The standard for e-mail transmission across the Internet. SMTP is a text-based protocol.

Terminal adapter

A device that allows analog devices to be used on digital lines (ISDN). Terminal adapters are similar to modems.

TX/RX

Transmit and receive data.

UDP

User Datagram Protocol. An Internet protocol which allows applications on a computer network to exchange short messages (datagrams).

UPnP

Universal Plug and Play. Allows networked devices to connect seamlessly in home and corporate environments using Internet-based communication standards.

USB

Universal Serial Bus. USB connection supports more bandwidth than a Serial or parallel connection.

Virtual

The term ‘virtual’ refers to something that is not physically plugged in.

Voicemail (call answer)

A service provided by TalkSwitch or telephone companies giving callers the opportunity to leave a message when your phone is busy or unanswered.

VoIP

Voice over IP. Sending voice over an Internet connection.

VPN

Virtual Private Network. A communication network used within a company or organization to communicate over a public network. VPN message traffic is carried on Internet infrastructure using standard protocols.

G L O S S A R Y

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Talkswitch 48-CA/CVA, 24-CA manual SIP server, Serial port, Terminal adapter, UPnP, Virtual, Voicemail call answer, VoIP