This chapter contains a list of the available functions in the Telephony API. The list is in alphabetical order. The information for each function includes the following:
The correct syntax for the function
A statement of the function's purpose
A description of input parameters
A description of the return value
A list of the valid call states on entry of the function and typical call state transitions when the request completes
Comments on using the function and related functions
References to other functions, messages, or data structures.