BASIC OPERATION
Telephone Tones
Chirp
Single chirp sound that indicates pocket telephone has been turned on. Double chirp sound indicates pocket telephone has been turned off.
Dial Tone
Continuous tone heard when accessing the pocket telephone line. Indicates that the telephone line is available for use.
Special Dial Tone
Broken dial tone followed by regular dial tone. Indicates a feature has been accessed.
Standard Busy Tone
Regular intermittent tone heard after dialing a number. Indicates the called number is busy (60 tones per minute).
Overflow Busy Tone
Fast busy tone heard after dialing a number. Indicates the called number is invalid or could not be processed (120 tones per minute).