CTI and IC Connectors > About CTI Connectors
	About CTI Connectors

Dialog Designer applications can integrate with computer telephony integration (CTI) servers to extend the capabilities of VoiceXML 2.1 speech applications. Among the limitations of the W3C VoiceXML 2.0 Recommendation is the fact that it has very limited call control functionality. Supported CTI servers are AES 3.1 and 4.x, or Avaya CT 1.3.

With CTI connectors in Dialog Designer applications, you can add call control functionality, such as:

• Placing a caller on hold

• Doing a controlled call transfer

• Conferencing a call

To use this extended call control functionality in Dialog Designer, however, you must first enable CTI and add at least one computer telephony server to handle the extended functionality. You can perform these actions in the project properties dialog box.

For the procedures to enable CTI, see Pluggable Connectors Tab.

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