|
gptkbp:instanceOf
|
gptkb:International_Standard
|
|
gptkbp:B_channel_bandwidth
|
64 kbit/s
|
|
gptkbp:B_channel_count_(Europe)
|
30
|
|
gptkbp:B_channel_count_(North_America/Japan)
|
23
|
|
gptkbp:contrastsWith
|
gptkb:ISDN_BRI
|
|
gptkbp:D_channel_bandwidth
|
64 kbit/s
|
|
gptkbp:D_channel_count_(Europe)
|
1
|
|
gptkbp:D_channel_count_(North_America/Japan)
|
1
|
|
gptkbp:fullName
|
gptkb:Integrated_Services_Digital_Network_Primary_Rate_Interface
|
|
gptkbp:interface
|
E1
T1
|
|
gptkbp:introducedIn
|
1980s
|
|
gptkbp:partOf
|
gptkb:ISDN
|
|
gptkbp:replacedBy
|
gptkb:VoIP
SIP trunking
|
|
gptkbp:standardizedBy
|
gptkb:ITU-T
|
|
gptkbp:supports
|
multiple simultaneous calls
|
|
gptkbp:total_bandwidth_(Europe)
|
2.048 Mbit/s
|
|
gptkbp:total_bandwidth_(North_America/Japan)
|
1.544 Mbit/s
|
|
gptkbp:usedFor
|
digital transmission of voice and data
|
|
gptkbp:usedIn
|
PBX systems
business telephony
|
|
gptkbp:YouTubeChannel
|
gptkb:B_channel
gptkb:D_channel
|
|
gptkbp:bfsParent
|
gptkb:B_channel
gptkb:T1_line
gptkb:G.703
gptkb:Q.931
gptkb:T1_lines
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
ISDN PRI
|