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gptkbp:instanceOf
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telephone switching system
|
|
gptkbp:architecture
|
modular
|
|
gptkbp:capacity
|
up to 100,000 lines
|
|
gptkbp:developedBy
|
gptkb:Western_Electric
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
No. 5 ESS
|
|
gptkbp:introducedIn
|
1982
|
|
gptkbp:location
|
gptkb:United_States
other countries
|
|
gptkbp:marketedAs
|
gptkb:AT&T_Network_Systems
|
|
gptkbp:platform
|
3B20D processor
3B21D processor
|
|
gptkbp:predecessor
|
gptkb:No._1_ESS
No. 4 ESS
|
|
gptkbp:replacedBy
|
gptkb:VoIP_systems
softswitches
analog switching systems
|
|
gptkbp:software
|
5E software
|
|
gptkbp:status
|
legacy system
|
|
gptkbp:successor
|
Lucent 5ESS
|
|
gptkbp:supports
|
gptkb:SS7_signaling
gptkb:ISDN
data services
wireless services
Centrex services
voice services
CLASS features
operator services
custom calling features
911 emergency services
|
|
gptkbp:switchType
|
digital electronic switching system
|
|
gptkbp:usedBy
|
gptkb:AT&T
|
|
gptkbp:usedFor
|
gptkb:public_switched_telephone_network
local exchange switching
long distance switching
tandem switching
|
|
gptkbp:bfsParent
|
gptkb:Electronic_Switching_System
|
|
gptkbp:bfsLayer
|
7
|