Appropriate messaging and tones are provided to the caller.
When the caller clears the call, the user endpoint is idle.
Else if the called party does not answer:
If the far end fails the call, appropriate messaging and tones are provided to the caller.
When the caller clears the call, the user endpoint and any remaining call attempt artifacts are cleared or idled, as applicable.
Else:
When the call is answered, features supported at that time are available.
When either party clears the call, the user endpoint is idle.
When a match is found (digit pattern plus correct number of expected digits, where the minimum number of digits is the less than the maximum number of digits):
ADDITIONAL INFORMATION:
The Device Adapter continues waiting for more digits.
If the interdigit timer expires (indicating no more digits), the user indicates end of dial, or the number of digits reaches the maximum allowed, the Device Adapter initiates the call with the Session Manager and Communication Manager.