Configure network interfaces Configure ISDN interfaces
Digi TransPort WR Routers User Guide 230
Configure ISDN interfaces
The Configuration > Network > Interfaces > ISDN page has the following options:
▪ ISDN Answering
▪ ISDN Dialling
▪ LAPD
ISDN Answering parameters
This page allows you to configure the ISDN interface to receive incoming calls.
Load answering defaults button
Click this to button resets the default answering PPP interface (PPP 0) to the factory answering
defaults.
Description
A memorable name for this PPP instance, to make it easier to identify it.
Only accept calls from calling numbers
ending with
Restricts the range of numbers from which ISDN will answer incoming calls, such as the ISDN
interface will only answer a call if the trailing digits of the calling number match what is specified
by this parameter. For example, if this parameter was set to 3, incoming calls from 1234563
would be answered but calls from 1234567 would not.
with ISDN MSN ending with
If answering is disabled this parameter is not used.
Provides the filter for the ISDN Multiple Subscriber Numbering facility. It is blank by default but
when set to an appropriate value on an answering interface, it will cause the router to answer
incoming calls to only telephone numbers where the trailing digits match the value selected. For
example, setting this parameter to 123 will prevent the router from answering any calls to
numbers that do not end in 123.
with ISDN sub-address ending with
If answering is disabled this parameter is not used.
Provides the filter for the ISDN sub-address facility. It is blank by default but when set to an
appropriate value on an ISDN answering interface, it will cause the router to answer incoming
calls only to ISDN numbers where the trailing digits match the Sub-address value. For example,
setting the this parameter to 123 will prevent the router from answering any calls to numbers
that do not end in 123.
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