機器
3d illustration
analogue
answer
answering
answering machine
audio
business
button
call
calling
cassette
communication
connection
equipment
fax
fax machine
information
isolated
listen
media
message
messaging
music
nostalgic
object
obsolete
office
old
oldfashioned
paper
phone
play
receiver
record
recorder
retro
ringing
send
sign
sound
symbol
tape
technology
telecommunications
telefax
telephone
vintage