Definition
Dual-Tone Multi-Frequency (DTMF) is the technology behind touch-tone keypad input, where pressing a number generates a specific tone. Voice systems can use DTMF for hybrid voice-and-keypad interactions.
Why it matters
DTMF lets callers input information like menu choices or account numbers via keypad alongside voice.
Frequently asked questions
What is DTMF?
Dual-Tone Multi-Frequency (DTMF) is the technology behind touch-tone keypad input, where pressing a number generates a specific tone. Voice systems can use DTMF for hybrid voice-and-keypad interactions.
Why does DTMF matter for AI voice agents?
DTMF lets callers input information like menu choices or account numbers via keypad alongside voice.
How is DTMF used in AI phone call automation?
In AI phone call automation, DTMF is part of the Telephony foundation. DTMF lets callers input information like menu choices or account numbers via keypad alongside voice. It connects closely to related concepts like Interactive Voice Response, Telephony, which together shape how a voice agent understands callers and completes real tasks such as booking appointments and qualifying leads.
Related Terms
Sources
Definitions and claims on this page are grounded in the following authoritative external references.
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