Tele-Communication (Telecom) Terms Glossary and Dictionary
Confirmation Tone is one of the audible tones generated in the telephone system that is used to acknowledge receipt by automatic equipment of information necessary for special services. It is currently used for:
Speed Calling - dialed number has been recorded.
Call Forwarding - dialed number has been recorded and service is activated.
Call Forwarding - service is deactivated.
Confirmation Tone is 350 Hz and 440 Hz at -13 dBm0/frequency on for 0.1 second, off for 0.1 second and then on for 0.3 seconds.