access
administration
answer
assistance
call
center
centre
close up
company
computer
cropped
customer
cyberspace
devices
dial
earphones
employee
engineer
fingers
guy
hands
headset
helpdesk
helpline
hotline
keyboard
laptop
male
man
manager
office
operator
phone
pressing
provider
putting
question
reception
response
secretary
service
speaker
streaming
system
talk
telephony
tournament
voice
wired
working