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CLI

see Calling Line Identity

CLIP

see Calling Line Identity Presentation

CLIR

see Calling Line Identity Restriction

Closed Circuit Television

Closed Circuit Television (CCTV) is the security and surveillance devices that can aide with access control and the broader protection of premises.

Cloud

Cloud can relate to any kind of infrastructure, platform or applications that are hosted on a server not located at the premises using it, accessed via the internet. E.g. cloud communications enable the functionality of a telephone system with no requirement for an on-site PBX.

Codec

A codec is a device or piece of computer software for coding or decoding digital data streams or signals.

COLP

see Connected Line Presentation

Communications Provider

An organisation that provides telephony services, e.g. Premier Choice.

Communications Service Provider

A Communications Service Provider (CSP) handles the electronic transmission of information.

Computer Telephony Integration

Computer Telephony Integration (CTI) is a software that brings together your customer database and your telephones, enabling features like click-to-dial, screen popping and text messaging services.

Conferencing

Conferencing occurs when more than two telephone users join into a single call. Users can dial in to a conferencing destination or one participant can dial another and connect them into the call.

Connected Line Presentation

Connected Line Presentation (COLP) is a feature whereby the caller is presented with the CLI of the user they have connected to, where this is not the number originally dialled. This is a chargeable service from the network provider and requires compatible equipment.

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