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gptkbp:instanceOf
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gptkb:telephone_switch
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gptkbp:alsoKnownAs
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end office switch
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gptkbp:category
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gptkb:network_protocol
gptkb:industrial_equipment
switching system
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gptkbp:connectsTo
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subscriber line
Class 4 telephone switch
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gptkbp:function
|
connects subscriber lines to local exchange
provides dial tone to end users
routes local calls
routes long-distance calls
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gptkbp:introduced
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20th century
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gptkbp:location
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central office
|
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gptkbp:manufacturer
|
gptkb:Alcatel-Lucent
gptkb:Ericsson
gptkb:Nortel
gptkb:Siemens
gptkb:Genband
gptkb:Metaswitch
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gptkbp:provides
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caller ID
voicemail
call waiting
three-way calling
call features
|
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gptkbp:regulates
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call setup
call routing
call teardown
|
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gptkbp:relatedTo
|
gptkb:smartphone
central office
Class 4 telephone switch
subscriber line interface
|
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gptkbp:replacedBy
|
gptkb:softswitch
IP-based switch
|
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gptkbp:serves
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business customers
residential customers
|
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gptkbp:supportsProtocol
|
gptkb:VoIP
gptkb:ISDN
gptkb:SS7
analog
|
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gptkbp:usedIn
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gptkb:public_switched_telephone_network
|
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gptkbp:bfsParent
|
gptkb:No._1_ESS_switch
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gptkbp:bfsLayer
|
6
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Class 5 telephone switch
|