United World Telecom provides DTMF with our Advanced IVR feature for both IVR menu and input options.Īs you build out your phone system within our IVR editor, you can assign departments and agents to different numbers. Using DTMF Tones with United World Telecom Make or confirm bookings or reservations.Such as the familiar: You have a pending balance of $XX would you like to pay now?įinally, you can also use dual-tone multi-frequency technology to let calls complete certain actions, like: In other instances, the auto-attendant may just provide the caller with the necessary response.
In some cases, the IVR can collect information before the agent joins the call. Then, the auto-attendant or agent can use this information to help them faster. With DTMF technology, callers simply press a number key to be routed to the desired department.Īnother way to use DTMF tones is to let callers input (or dial in) numbers to verify their identity.įor example, they could input their account number, the last 4 digits of their card, their order number, and so on. An IVR typically provides users with menu options such as Press 1 for Sales, Press 2 for Billing, etc. IVR is an automated call handling system that answers incoming calls, interacts with callers, and directs them to their destination.ĭTMF tones are the dominant signaling protocol for interacting with an IVR. The most common use case for dual-tone multi-frequency technology is its influence on interactive voice response systems (IVR). For this reason, this technology has many benefits for businesses and contact centers with high call volumes. Once identified, the call automatically routes to the desired number and destination.īesides ensuring that your dialed numbers actually place calls, DTMF technology has revolutionized the way users interact with an outgoing call. Once there, the exchange decodes the signals to determine the entire number the user wants to call. The DTMF technology then sends this combined signal over phone wires to the local phone exchange. For example, when you press the number ‘7,’ frequencies 852 Hz and 1209 Hz are combined. When a user presses a key (number or symbol), a tone generates by combining the high and low frequency of the number. Here’s what that looks something like this: The columns have high-frequency signals, and the rows have low-frequency signals. The dual-tone multi-frequency technology assigns 8 different audio frequencies to the rows and columns of a keypad. You can learn more about the history and evolution of DTMF here. signal to your phone company indicating that you want to make a call andĪnd it does this by sending two tones – a high- and low-frequency tone – for every number key pressed.When you press a number key, DTMF sends the following: Dual-tone multi-frequency (DTMF) produces touch tone sounds heard when pressing a number on a phone’s keypad.
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