| Subject | English | Tamil |
| comp., MS | Dial by Name | பெயரின்படி டயல் செய் (A feature that enables a caller to enter a person's name using the keys on a telephone) |
| comp., MS | dial tone | டயல் டோன் (A sound emitted by the receiver of a telephone that indicates that a number can be dialed) |
| comp., MS | dial-up | டயல்-அப் (Of, pertaining to, or being a connection that uses the public switched telephone network rather than a dedicated circuit or some other type of private network) |
| comp., MS | Dial-Up Networking | டயல்-அப் பிணையம் (A Windows CE-based application that enables remote users to connect to a network) |
| comp., MS | speed dial key | விரைவு டயல் விசை (A single- or double-digit number associated with telephone numbers, or e-mail or Web addresses, that enables users to quickly access the numbers or addresses) |