Telecommunications, Voice

• 411
• 800 number
• 900 number
• 911
• access
• American Telephone & Telegraph
• answering machine
• answering service
• area code
• AT&T
• auto-dial
• available line
• Baby Bells
• bad connection
• bariff
• beeper
• buried cable
• business office
• business phone
• busy signal
• busy verification
• buzz
• cable
• call
• call box
• call forwarding
• call waiting
• caller ID
• calling card
• calling party
• car phone
• cellular phone
• central
• channel
• circuit
• coin call
• coin-operated
• collect call
• conference call
• cordless phone
• cradle
• cross talk
• crossed lines
• custom calling
• custom local-area signaling service
• dead
• desk telephone
• dia-a-
• dial
• Dial One service
• dial tone
• dictograph
• direct dialing
• direct line
• directory
• directory assistance
• directory listing
• disconnect
• disconnect notice
• emergency number
• exchange
• extension
• field telephone
• flat-rate service
• foreign exchange
• handset
• hang up
• headset
• hold
• hold the line
• home wiring
• hookup
• horn
• hot line
• information
• installation
• instrument
• intercom
• international call
• international country code
• international dialing prefix
• interrupt service
• key
• keypad
• LATA
• life line
• line
• line charge
• lineman
• listing
• local access and transport area
• local call
• local loop
• local network
• long distance
• Ma Bell
• memory phone
• message rate
• mobile call
• modular equipment
• mouthpiece
• network
• network interface
• nonpublished listing
• not in service
• off-premises extension
• operator
• operator-assisted call
• pager
• party line
• pay phone
• PBX
• PCS
• person-to-person
• personal communications service
• phone
• phone book
• phone booth
• Picturephone
• PIN
• prefix
• private line
• public telephone
• push-button phone
• radiotelephone
• random noise
• RBocs
• receiver
• reverse charges
• right of privacy
• ring
• ring off
• ring up
• rotary phone
• scramble
• service
• service call
• service charge
• service order
• service rep
• signal
• speakerphone
• speed calling
• station-to-station
• subscriber
• surcharge
• switchboard
• tap
• telco
• teleconference
• telephone
• telephone booth
• telephone box
• telephone directory
• telephone man
• telephone number
• telephone pole
• telephone tag
• telephonics
• telephony
• three-way calling
• tie line
• tie-in
• time and charges
• toll
• toll call
• toll-free
• touch-tone
• traffic
• transmitter
• trunk line
• tympanum
• unlisted number
• unscramble
• untimed service
• videoconference
• videophone
• voice mail
• wall phone
• WATS
• white pages
• wiretap
• wrong number
• yellow pages