0 a continuous sound that tells you that a phone is connected to the phone system and is ready to be used --
1 the continuous sound you hear when you pick up the telephone, letting you know that you can call a number --
2 → dialling tone : --
To make business calls from a cell phone, one dials an access number at the office, gets a new dial tone, and then dials the destination number.
It delivers dial tone to the customer.
A stuttered then regular dial tone confirms the de-activation.
Dialing 011 53 99 returns a second dial tone, after which the local number at the naval base can be dialed.
Claiming to be an authority from a particular business, he calls a phone company and claims they have no dial tone.
Greater phases took longer, clearing all call registers, thus disconnecting all calls and treating any off-hook line as a request for dial tone.
Large numbers of calls would otherwise have overloaded switching equipment causing slow dial tone and blocked long distance circuits.
Users also have access to all of their dial tone, voicemails, e-mails and faxes from any connected endpoint.
