SIP

Session Initiation Protocol (SIP). Developed by the Internet Engineering Task Force (IETF), this is a signaling protocol designed to be much more simple and flexible than the H.323 protocol. SIP uses the existing Internet and HTML structures to provide VoIP transmissions. In addition, SIP is more scalable, allowing applications to grow in scope without any concern for the existing architecture. SIP gives network managers the flexibility to select any type of architecture, from a heavily centralized network controlled extensively by a server, to a less concentrated network where intelligence is found at the endpoints that communicate directly with each other.

Serial Port

Serial Ports are physical ‘plug- ins’. They allow two devices to exchange information or data. A Serial Cable is used to connect the two Serial Ports together.

SOHO

Acronym for Small Office/Home Office. It’s a burgeoning market comprised of solo professionals, part-time work- at-homes, telecommuters and small businesses.

Tel Lines 1, 2, 3, or 4

A port or plug-in on the back panel of TalkSwitch which can accept a RJ-11 plug from either

a telephone line or PBX system. A single line telephone cable can be plugged into this port and will become a usable TalkSwitch Line.

Telephone Keypad

The collection of push buttons on a touch-tone telephone.

Telephone Wall Jack

A wall outlet for a standard telephone jack.

Touch-tone telephone

Apush-button telephone which emits distinctive (DTMF) tones as different buttons on the keypad are pressed.

Two Line Telephone

A telephone which allows you to make and receive calls on two separate telephone lines.

TX/RX

An acronym for transmit and receive.

USB

Short for Universal Serial Bus, the USB connection supports more bandwidth than a serial or parallel connection.

Virtual Extension

A telephone or other communications device not physically connected to TalkSwitch as an extension, but which provides the same functionality. In general, the term ‘virtual’ distinguishes something that is merely conceptual from something that has physical reality.

G L O S S A R Y

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Talkswitch CT.TS005.001101.UK manual Tx/Rx