3Com 3031 Command Reference Manual page 271

ISDN Configuration Commands 271
Example
Configure B channel selection method on the interface Bri2/0/0 to descending
order.
[3Com-Bri2/0/0] isdn bch-select-way descending
isdn caller-number Syntax
isdn caller-number caller-number
undo isdn caller-number
View
ISDN interface view
Parameter
caller-number: Caller number that an incoming ISDN call can carry, which is a
character string of 1 to 24 characters.
Description
Using the isdn caller-number command, you can configure the range of the
numbers that the router can receive. Using the undo isdn caller-number
command, you can delete the configured caller number.
Example
Configure the router to receive only the incoming calls from the caller numbers
with 400.
[3Com-Serial0/0/0:15] isdn caller-number 400
isdn calling Syntax
isdn calling calling-number
undo isdn calling
View
ISDN interface view
Parameter
calling-number: Calling number.
Description
Using the isdn calling command, you can have the messages from a calling party
to a called party carry the calling number. Using the undo isdn calling command,
you can delete calling number in the messages that a calling party transmitted.