MatchAny is a MatchFunc which returns Complete if the pattern contains any characters.

MatchHash is a MatchFunc which returns Complete if the pattern contains a hash (#) character and Incomplete, otherwise.

MatchLenFunc returns a MatchFunc which returns Complete if the given number of digits are received and Incomplete otherwise.

MatchLenOrTerminatorFunc returns a MatchFunc which returns Complete if the given number of digits are received or the given terminal string is received.

MatchSetFunc returns a MatchFunc which will match any digit in the provided set of digits.

MatchTerminatorFunc is a MatchFunc which returns Complete if the pattern contains the character and Incomplete, otherwise.

Prompt plays the given sound and waits for user input.

Canceled indicates that matching was canceled.

Complete means that a match was found from the digits received.

Failed indicates that matching could not be completed due to a failure (usually an error).

Hangup indicates that a match could not be made due to the channel being hung up.

Incomplete indicates that there are not enough digits to determine a match.

Invalid indicates that a match cannot be found from the digits received.

Timeout indicates that the matching failed due to timeout.

DefaultFirstDigitTimeout is the maximum time to wait for the first digit after a prompt, if not otherwise set.

DefaultInterDigitTimeout is the maximum time to wait for additional digits after the first is received.

DefaultOverallTimeout is the maximum time to wait for a response regardless of the number of received digits or pattern matching.

Logger defaults to a discard handler (null output).

Options describes options for the prompt.

Result describes the result of a prompt operation.

Status indicates the status of the prompt operation.