agent

business

businessman

call

center

chat

class

client

computer

conference

contact

customer

discuss

distance

education

headphone

headset

help

home

internet

job

language

laptop

learn

lesson

man

notes

office

online

operator

people

person

phone

sales

service

skype

student

study

support

talk

teacher

technology

training

translate

video

watching

webinar

wireless

work

worker