trunk line
toll line
subscriber line
line
telephone line
telephone circuit
phone line
exchange
telephone call
party line
land line
landline
junctor
cordless telephone
telegraph line
dial-up
telephone extension
extension
extension phone
private line
radiotelephone
netphone
radiophone
telecoms
telephone booth
webphone
telephone exchange
hot line
wireless telephone
teletraffic
central
private branch exchange
ringback
airphone
telephone box
magenta box
data point
telephonology
ringer equivalence number
the line is busy
telebureau
radiotelephony
phone plug
Al Capone
rotary phone
fast busy signal
telephone plug
cell phone
put through
multilink