↩
Telephone
The sound of a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly. This class covers sounds associated with the device itself, not voice that has been carried via the telephone network.
►
►
►
►
►
►
►
Telephone bell ringing
The sound of a physical or synthesized electric bell ringing to signal an incoming telephone call.
►
►
►
►
►Ringtone
The synthesized or pre-recorded sounds made by contemporary electronic telephones to indicate an incoming call or text message.
►
►
►
►Cellphone buzz, vibrating alert
The low buzz emitted by the vibrotactile actuator used to provide "silent alarms" on mobile phones and other devices.Telephone dialing, DTMF
The sound of a telephony signaling system where short combinations of tones within the frequency range of human speech are used to transmit individual digits.
►
►
►
►
►
►Dial tone
The sound of a signal that a telephone exchange or other switching equipment sends to a telephone to confirm that it is ready to initiate a connection.
►
►
►
►Busy signal
A sound (usually a simple repeating tone) played over a telephone line to indicate that the requested connection could not be completed, for instance because the remote party is already engaged in a different call.
►
►
►