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'''CTI''' = '''C'''omputer '''T'''elephony''' I'''integration

== Explanation ==

CTI allows a computer to interact with telephone, e.g. in set up and terminate calls with numbers taken from a directory via a PC application.

There are basically two different approaches supported with CTI:
* The computer (e.g. a PC located at the same desk as the telephone) directly interacts with the telephone: '''First Party''' CTI
* The computer (could be also a co-located PC) interacts with the telephone system (e.g. SIP application server), and the latter controls the telephone: '''Third Party CTI'''

== See also / Siehe auch ==
* [[Call feature term comparison English/German]]
* {{wp|en|Computer_telephony_integration|CTI}}

[[Category:Definition]]