24
24 hours
all day
always
assistance
business
call center
communication
computer
connect
connection
contact
customer
design element
discussion
every time
headphones
headset
help
help desk
helpline
hour
hrs
icon
illustration
internet
isolated
microphone
night
opening hours
operator
phone
representative
retail
sales
secretary
service
shop
sign
speaker
store
support
symbol
technology
telephone
week
work
working