TANDBERG 700 MXP user manual ISDN-PRI Settings

TANDBERG 7000 MXP

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	AT&T	AT&T ISDN
ATT 5 ESS	AT&T/Lucent	AT&T ISDN or National ISDN*
DMS 100	Northern	National ISDN
DMS 250	Telecom	National ISDN
	Telecom
	Northern

*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	The lowest numbered B-channel that may be used by the system when
Channel	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.

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