Telecommunications, Voice Transmission and Telephony


 * access
 * American Telephone & Telegraph
 * answering machine
 * answering service
 * area code
 * AT&T
 * auto-dial
 * available line
 * Baby Bells
 * bad connection
 * beeper
 * buried cable
 * business office
 * business phone
 * busy signal
 * busy verification
 * buzz
 * cable
 * call
 * call box
 * caller ID
 * call forwarding
 * calling card
 * calling party
 * call waiting
 * car phone
 * cellular phone
 * central
 * channel
 * circuit
 * coin call
 * coin-operated
 * collect call
 * conference call
 * cordless phone
 * cradle
 * crossed lines
 * cross talk
 * custom calling
 * custom local-area signaling service
 * dead
 * desk telephone
 * dial
 * dia-a-
 * Dial One service
 * dial tone
 * dictograph
 * direct dialing
 * direct line
 * directory
 * directory assistance
 * directory listing
 * disconnect
 * disconnect notice
 * 800 number
 * emergency number
 * exchange
 * extension
 * field telephone
 * flat-rate service
 * foreign exchange
 * 411
 * 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
 * 900 number
 * 911
 * nonpublished listing
 * not in service
 * off-premises extension
 * operator
 * operator-assisted call
 * pager
 * party line
 * pay phone
 * PBX
 * PCS
 * personal communications service
 * person-to-person
 * 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
 * bariff
 * telco
 * teleconference
 * telephone
 * telephone booth
 * telephone box
 * telephone directory
 * telephone man
 * telephone number
 * telephone pole
 * telephone tag
 * telephonics
 * telephony
 * three-way calling
 * tie-in
 * tie line
 * 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