System interfaces
25
System functions and features as of R3.0
syd-0367/1.3 – R3.0 – 03.2013
Point-to-Point Connection without Direct Dial
Without direct dialling in, only one call number is available. The individual internal
users can only be reached indirectly via the number.
This variant is suitable above all for systems with primarily outgoing traffic.
NT1: Network Terminal
U/T: ISDN reference point
DSI: Digital terminal interface DSI
BRI-S: ISDN terminal interface
FXS: Analogue terminal interface FXS
Fig. 5 Several basic accesses with line group in point-to-point configuration, without direct dial
number
Note:
Do not connect any terminals between the NT1 and the communication
server.
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