Tones and their meanings, Ringing tones, Handset tones – AT&T Definity ISDN 7507 User Manual
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Tones and Their Meanings
Ringing tones
are produced by an incoming call. Handset tones are those which you
hear through the handset (receiver).
Ringing Tones
●
1 ring
— A call from another extension.
●
2 rings
— A call from outside or from the attendant.
●
3 rings
— A priority call from another extension, or from an Automatic Callback call
you placed.
●
ring-ping (half ring, not repeated)
— A call redirected from your voice terminal to
another because Send All Calls or Call Forwarding—Follow Me is active.
Handset Tones
●
busy tone
— A low-pitched tone repeated 60 times a minute; indicates the number
dialed is in use.
●
call waiting ringback tone
— A ringback tone with a lower-pitched signal at the
end; indicates that the extension called is busy, but the called party has been given
a call waiting tone.