NEC R1000 manual ISDN-BRI Trunk Connections, Not applicable Data Assignment

September 2003 NEC Business Solutions Ltd

ISDN-BRI Trunk Connections I-7

FEATURE	ISDN-BRI (Integrated Service Digital Network - Basic Rate Interface) is a
DESCRIPTION	Public Switched Telephone Network (PSTN) service that provides two B
	channels (2B + D) for voice call trunking. The B channels are used to
	provide two CO/PBX type connections. Caller ID is a standard feature on
	ISDN-BRI provided trunks. Caller ID indication displays the calling party
	telephone number on the LCD of the Multiline Terminal for CO incoming
	calls. This interface provides voice communication path only.
	Malicious Call Trace is available for the Australian Network.
	Stimulus type network supplementary services (Keypad mode of operation)
	is also available.

SYSTEM

AVAILABILITY

OPERATING PROCEDURES

SERVICE

CONDITIONS

Terminal Type

Not applicable

Required Components

To provide ISDN trunk connection:

zBRT(4)-U( ) ETU

zCLKG-U( ) Unit

Not applicable.

Data Assignment

Use Memory Block 1-1-80 (ISDN DTMF Duration/Interdigit Selection)
to specify tone duration (default:100ms.) and interdigit time
(default=70ms.) of DTMF signals for the ISDN trunk.
Use Memory Block 1-1-81 (ISDN Dial Interval Time Selection) to
specify the time (default: 4s) between dialled digits.
Use Memory Block 1-8-33 (Master Clock Selection) to assign the
necessary source for synchronisation clocking.
Use Memory Clock 3-29 (Trunk Interval Transmit Pad Selection) to
specify Internal Transmit (default: 8 dB) Pad (Volume) control.	1.0
Use Memory Block 3-31 (Trunk External Transmit Pad Selection) to
	Release-8283No.Doc.	2003September
specify External Transmit (default: 0 dB) Pad control.
Use Memory Block 3-32 (Trunk External Receive Pad Selection) to
specify External Receive (default: 9 dB) Pad control.
Use Memory Block 3-52 (ISDN Trunk Directory Number Assignment)
to assign the ISDN directory Number.

60 – Chapter 3 ISDN-BRI Trunk Connections I-7