Extended Telephony Services Reference

The Extended Telephony functions are listed by category in the following tables.

Extended Telephony Functions for Line Devices

Function	Description
lineNegotiateExtVersion	Allows an application to negotiate an extension version to use with the specified line device. Asynchronous.
lineDevSpecific	Gives service providers access to device-specific features not offered by other TAPI functions. Synchronous.
lineDevSpecificFeature	Sends device-specific switch features to the switch. Asynchronous.

 

Extended Telephony Functions for Phone Devices

Function	Description
phoneDevSpecific	Device-specific escape function to allow vendor-dependent extensions. Asynchronous.
PhoneNegotiateExtVersion	Allows an application to negotiate an extension version to use with the specified phone device. Synchronous.