NEC SL1000 Features And Specifications Manual page 308

SL1000
Refer to the charts below for examples(23B):
Incoming Call
Station User
Talking on TK009
I
Station user
places outgoing trunk
all by dialing Trunk
Access code. Outgoing
call is placed on the
associated B-Channel.
In addition to T1/PRI interface ETUs, PRI also requires a CSU/DSU Unit and interconnecting cables to in-
terface with the Telco.
• Basic Rate Interface (BRI)
Caller ID Name to Single Line Telephone is NOT supported for ISDN (BRT) Trunks.
The system is compatible with ISDN Basic Rate Interface (BRI) services. BRI services currently sup-
ported include:
- Basic BRI Call Control (BCC)
- Point-to-Point BRI Terminal Connection (no daisy-chaining)
- Multipoint BRI Terminal Connection (daisy-chaining)
1-300
Trunk
Number
9
10
11
12
13
14
15
16
17
18
19
20
21
22
...31
Outgoing Call
Number
B-Channel
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
...23
Network on Channel 23. In most
cases, the Network will control/select
the B-Channel used for an incoming call.
Trunk Trunk Trunk
Group Priority
9 1
10 1
11 1
12 1
13 1
14 1
15 1
16 1
17 1
18 2
19 2
20 2
21 3
22 3
...31 3
ISSUE 1.0
Incoming call from the
B-Channel
Number
9 1
8 2
7 3
6 4
5 5
4 6
3 7
2 8
1 9
3 10
2 11
1 12
1 13
10 14
...1 ...23
ISDN Compatibility