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2 isdn-pri settings, Number range, Isdn pri switch type – TANDBERG MXP User Manual

Page 204: Channel hunting

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TANDBERG Maestro MXP

204

4.8.1.2 ISDN-PRI Settings


To make sure your system will work properly using ISDN-PRI, configure the following
settings:

1. Set PRI switch type
2. Enter PRI line number


Note that the T1 format is predefined to ESF and the line code is B8ZS. This is not configurable.

Number Range

Enter the range of numbers for your PRI line. If this number is programmed and MSN: On (see
Validate numbers in Advanced ISDN Settings) only calls to this number will be answered.

ISDN PRI Switch Type

Select the type of PRI switch to which your system is connected.
Below is a list of common ISDN-PRI/T1 switches.


Type

Manufacturer

PRI Switch Type setting

ATT 4 ESS
ATT 5 ESS
DMS 100
DMS 250

AT&T
AT&T/Lucent
Northern
Telecom
Telecom
Northern

AT&T ISDN
AT&T ISDN or National ISDN*
National ISDN
National ISDN

* Settings will depend on configuration of the switch. PRI Switch Type is not changed when
Restoring Defaults.

Channel Hunting

Max Channels

Maximum number of channels the system may use at any given time.

Low
Channel

The lowest numbered B-channel that may be used by the system when
selecting channels for outgoing calls.

High Channel

The highest numbered B-channel that may be used by the system when
selecting channels for outgoing calls.

Search

Specifies where the system will start searching for available B-channels
for outgoing calls.