英文關鍵字
backlighting
business
call
close
closeup
comms
communicate
communication
customer
department
device
dial
dialing
finger
gossip
handset
help
helpline
hotline
info
information
interior
number
numbers
office
phone
pressing
push
random
selecting
service
talking
technology
telecommunication
telecommunications
telecoms
telephone
tone
touch
touchtone
workplace