機器
ancient
answering machine
antique
background
black
bookshelf
border
business
call
classic
color
communication
concepts
connection
contact
device
dial
disk
equipment
expertise
front
house
indoors
library
number
object
obsolete
office
old
past
phone
plastic
receiver
retro
retrostyled
revival
rotary
service
shelf
single
support
switchingboard
table
technology
telephone
traditional
vintage
wood