American Telephone and Telegraph Company

GPTKB entity

Statements (106)
Predicate Object
gptkbp:instanceOf gptkb:company
gptkbp:alsoKnownAs gptkb:AT&T
gptkbp:country gptkb:United_States
gptkbp:dissolved 1984
gptkbp:founded 1885
gptkbp:founder gptkb:Alexander_Graham_Bell
gptkbp:headquartersLocation gptkb:Dallas,_Texas,_United_States
https://www.w3.org/2000/01/rdf-schema#label American Telephone and Telegraph Company
gptkbp:industry telecommunications
gptkbp:notableAchievement development of C programming language (via Bell Labs)
development of UNIX (via Bell Labs)
development of the telephone network
invention of the transistor (via Bell Labs)
gptkbp:notableEmployee gptkb:Clarence_W._Barron
gptkb:Theodore_Vail
gptkbp:notableEvent gptkb:Bell_System_divestiture
gptkbp:notableInvention gptkb:SONET
gptkb:network_function_virtualization_(NFV)
gptkb:information_theory
gptkb:laser
gptkb:microprocessor
gptkb:smartphone
gptkb:software-defined_networking_(SDN)
gptkb:5G
gptkb:fiber
gptkb:fire
gptkb:business_process_outsourcing
gptkb:home_automation
gptkb:internet_of_things_(IoT)
data transmission
encryption
network security
packet switching
solar cell
text messaging
transistor
unified communications
wireless communications
network management
satellite communications
mobile broadband
broadband communications
data networking
digital transmission
electronic switching system
fax machine
fiber optic communications
managed services
modem
speech synthesis
touch-tone dialing
collaboration tools
LTE
cloud communications
automatic number identification
call forwarding
caller ID
conference calling
edge computing
transatlantic telephone cable
voicemail
mobile data
network monitoring
video calling
cellular network
multimedia messaging
optical networking
network virtualization
call waiting
network automation
customer relationship management (CRM)
voice recognition
connected car technology
automatic call distributor
cellular telephone
digital telephone exchange
network orchestration
network analytics
IP telephony
fiber to the home
network optimization
network integration
asynchronous transfer mode (ATM)
broadband over power lines
contact center technology
digital loop carrier
digital subscriber line (DSL)
digital video transmission
electronic telephone directory
integrated services digital network (ISDN)
mobile telephone switching office
network consulting
virtual private network (VPN)
voice over IP (VoIP)
gptkbp:notableProduct gptkb:Bell_System
long-distance telephone service
gptkbp:parentCompany gptkb:AT&T_Inc.
gptkbp:predecessor gptkb:Bell_Telephone_Company
gptkbp:stockSymbol T
gptkbp:subsidiary gptkb:Bell_Labs
gptkb:Western_Electric
gptkbp:successor gptkb:AT&T_Communications
gptkb:Regional_Bell_Operating_Companies
gptkbp:bfsParent gptkb:Alexander_Bell
gptkb:American_Bell_Telephone_Company
gptkbp:bfsLayer 5