DTMF (Dual Tone Multi-Frequency) is a signaling method used in telecommunication systems where pressing a phone’s keypad generates two simultaneous tones to communicate the dialed number to the system.
DTMF (Dual Tone Multi-Frequency) is the tone-based signaling system used by telephones, where each button on the keypad produces two distinct frequencies to send numbers to a switch or PBX system.
Dual tone multi-frequency signaling is the technology behind telephone keypads, generating specific tones when buttons are pressed to communicate with automated systems or telephone networks.
Dynamic DNS (DDNS) is a service that automatically updates the IP address associated with a domain name when the address changes, allowing users to access services hosted on a dynamic IP.
An international numbering standard used for formatting phone numbers, ensuring consistency across global communication systems.
E911 (Enhanced 911) is an advanced emergency service system that automatically provides the caller’s location and phone number to emergency responders when dialing 911.