DTMF (Dual-tone multi-frequency) dialing
GPTKB entity
Statements (50)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
telecommunication technology
|
| gptkbp:alsoKnownAs |
Touch-Tone dialing
|
| gptkbp:developedBy |
gptkb:Bell_System
|
| gptkbp:eachKeyRepresents |
combination of two tones
|
| gptkbp:enables |
faster dialing
automated switching remote control of systems |
| gptkbp:frequency |
697 Hz to 1633 Hz
|
| https://www.w3.org/2000/01/rdf-schema#label |
DTMF (Dual-tone multi-frequency) dialing
|
| gptkbp:introducedIn |
1963
|
| gptkbp:replacedBy |
pulse dialing
|
| gptkbp:standardizedBy |
gptkb:ITU-T_Recommendation_Q.23
|
| gptkbp:usedBy |
gptkb:VoIP_systems
gptkb:public_switched_telephone_network_(PSTN) private branch exchange (PBX) |
| gptkbp:usedFor |
security systems
call blocking call forwarding call hold call recording call screening call transfer interactive games telephone banking call waiting call monitoring teleconferencing alarm systems interactive voice response systems call park call pickup telephone call setup paging systems telephone voting telephone surveys amateur radio applications conference bridges customer service menus remote door opening television voting voice mail navigation |
| gptkbp:usedIn |
radio communication
mobile phones landline phones telephone signaling |
| gptkbp:uses |
audio frequency tones
eight different frequency signals four rows and four columns keypad |
| gptkbp:bfsParent |
gptkb:PSTN
|
| gptkbp:bfsLayer |
6
|