ext.
noun[C]
abbreviation forextension
(forextension的缩写)Communications - telephone equipment
- answering machine
- blower
- brick
- burner
- caller ID
- cell phone
- device
- dumbphone
- extension
- fascia
- platform
- powerbank
- sim
- SIM card
- smartphone
- speed dial
- switchboard
- telephone
- telephone booth
- telephone exchange