NEC Electra Elite IPK II System User Manual page 663

Electra Elite IPK II
Outgoing Call
Station user
places outgoing trunk
call 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 interface 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 supported include:
Basic BRI Call Control (BCC)

Point-to-Point BRI Terminal Connection (no daisy-chaining)

Multipoint BRI Terminal Connection (daisy-chaining)

BRI services require the installation of BRT(4)-U20 ETUs. Each BRT(4)-U20 ETU has four
BRI circuits. The BRT(4)-U20 ETU uses a single universal slot.
For each BRI line, two different Terminal Endpoint Unidentified (TEIs) are assigned to two
different Service Profile Identifiers (SPIDs).
ISDN Compatibility
Trunk Trunk
Number Group
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
Document Revision 4C
Trunk B-Channel
Priority 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
11 13
10 14
...1 ...23
2 - 639