Tip and ring
Conductors of a telephone line
general/telephony-equipment
1A2 Key Telephone System
Modular business telephone system
general/telephony-equipment
Calculagraph
general/telephony-equipment
Krone LSA-PLUS
general/telephony-equipment
Lineman's handset
Type of telephone used for installing and testing telephone lines
general/telephony-equipment
Golden telephone
Rotary telephone made of, or plated with, gold
general/telephony-equipment
Extension (telephone)
Term in telephony
general/telephony-equipment
Telephone hook
Component of analog telephones
general/telephony-equipment
Tin-can telephone
Primitive acoustic messaging device
general/telephony-equipment
Model 5302 telephone
Type of American telephones by the Bell System
general/telephony-equipment
Shoe phone
Fictional shoes with built-in telephone
general/telephony-equipment
Sound-powered telephone
Communication device
general/telephony-equipment
Model 500 telephone
Type of American telephone set
general/telephony-equipment
Model 302 telephone
Type of American telephone set
general/telephony-equipment
Telephone keypad
Keypad that appears on some telephones
general/telephony-equipment
Handset
Telephone component
general/telephony-equipment
Main distribution frame
Distribution frame where cables are cross-connected in telephony
general/telephony-equipment
110 block
Type of punch-down block
general/telephony-equipment
Patch cable
Cable used to connect electronic or optical devices
general/telephony-equipment
Ringer equivalence number
Indication of the electrical load on a telephone line
general/telephony-equipment
Speakerphone
Telephone loudspeaker
general/telephony-equipment
Candlestick telephone
Type of early telephone
general/telephony-equipment