Installation Instructions

Table Of Contents
10262090001 Revision B
Connecting to external equipment 8–3
d. In the System Variables listing, search for
SRM_USER_SIDE and SRM_OPERATOR:
SRM_USER_SIDE
0 (default) – Set this variable to 0 if the Controller is
on the network side of the ISDN interface.
1 – Set the variable to 1 if the Controller is on the
user side of the ISDN interface.
SRM_OPERATOR
Protocol used on the ISDN link to the PBX:
4ESS (default)
Other possible values: DMS100, N12, and 5E10
If the variable is not present, the default value is
applied.
If the default value is acceptable, no action is
required if:
- The variable is not listed (because if the
variable is not listed, the default is effective) or
- The variable is listed with the default value
e. If you need to change a value and the variable is
present:
i. In the list of System Variables, click the
variable name to select it.
The variable and value appear in the boxes at
the bottom of the window.
ii. Change the value to the correct setting.
iii. Click Set to save the value.
iv. Reboot the Controller so the change will take
effect.
f. If you need to change a value and the variable is not
present:
i. Click on any variable name in the list of
System Variables.
The variable and value appear in the boxes at
the bottom of the window.
ii. In the Variable box at the bottom of the
window, delete the variable name and enter the
new variable name.
iii. In the Value box immediately below the
Variable box, delete the value and enter the
correct value.
iv. Click Set to save the value.
v. Reboot the Controller so the changes will take
effect.