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