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What is Computer Telephony Integration (CTI)?
Computer Telephony Integration is a set of technologies for integrating computers and telephone systems.
CTI functionality falls into two general categories:
- CTI enables the computer user to control their telephone system
- CTI enables the telephone system to display information via the computer
A user with a CTI-enabled computer will be able to dial the telephone, answer the telephone, and hang-up the telephone, all from their PC. Call Telephony Integration enables users to dial the phone from address books stored on their computer. Most CTI systems also enable the users to interact with teleconferencing systems.
A CTI-enabled computer will also display information from the telephone system, such as Caller-ID or ANI data. Sophisticated CTI systems also display information from touch-tone and Interactive Voice Response (IVR) systems.
Computer Telephony Integration Standards
CSTA (Computer-Supported Telephony Application) is an ECMA (European Computer Manufacturers Association) standard for computer telephony integration which has been ratified by the ITU.
TSAPI (Telephony Service Application Program Interface) is an AT&T/Lucent/Novell standard for computer telephony integration.
TAPI (Telephony Applications Program Interface) is the Microsoft standard for computer telephony integration.
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