Assisted Telephony provides telephony-enabled applications with an easy-to-use
mechanism for making phone calls without requiring the developer to become
fully telephony literate.
function requests a voice call between the user and a remote party specified
by its phone number. The request is made to TAPI, which passes it to an
application that is registered as a recipient of such requests. This recipient is a
After the application has made the request, the call is controlled entirely
from the call-manager application because Assisted Telephony applications cannot
manage calls. Because the more complex aspects of telephony and all
user-interface operations are handled by the call-manager application, telephony-enabled
applications need not be modified in any substantial way. In fact, applications
that allow this operation to be invoked from their built-in script language may
not need to be modified at all.
function returns to the application the country code and city (area) code
which the user has set in the current location parameters in the Telephony control
panel. The application can use this information to assist the user in forming
proper canonical telephone numbers, such as by offering these as defaults when
new numbers are entered in a phone book entry or database record.
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