英文關鍵字
90s
answer
black
business
button
call
caller
cell
charger
classic
connection
connectivity
cordless
desk
device
electric
electronic
equipment
gadget
handset
headset
home
household
isolated
keypad
landline
microphone
mobile
modern
number
office
old
phone
radio
radiophone
radiotelephone
receiver
ring
speak
speakerphone
stationary
talk
technology
telecom
telecommunication
telephone
vintage
wireless