 |
| |||
| touchtone dialing (A form of dialing that uses multiple-tone signaling. The user hears a series of tones (beeps) when dialing); touchtone (A form of dialing that uses multiple-tone signaling. The user hears a series of tones (beeps) when dialing) | |||
| dual-tone multifrequency dialing; multi-frequency dialing; multifrequency dialing | |||
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips