In the North American telephone network, people encounter many sounds while using the telephone. These sounds include call progress tones (dial tone, busy, ringback, reorder) and occasionally encounter intercept recordings (“The number you have reached is not in service”). Here are some examples of these recordings that you may encounter when making telephone calls.
Miscellaneous automated intercept local telephone company recordings.
Miscellaneous Modern Telephone Recordings
Miscellaneous modern telephone recordings not otherwise categorized.