A telephone or a telecommunications device.

A prefix used in scientific terms that denote distance, as in "television" or "telecommunication."

टेलीफोन

English Usage: I called you on the tel to discuss the meeting.

Hindi Usage: मैंने बैठक पर चर्चा करने के लिए आपको टेलीफोन किया।

Informal term for a telephone used in casual conversation.

फोन

English Usage: She always answers the tel when it rings.

Hindi Usage: जब फोन बजता है, तो वह हमेशा जवाब देती है।