Command Reference Guide

3Com Router 5000 Family and Router 6000 Family isdn ie passthrough ● 235
Command Reference
isdn ie passthrough
Purpose Use the isdn ie passthrough command to enable transparent transmission of
some or all related information element and you can use this command to configure
transparent transmission direction.
Use the undo isdn ie passthrough command to disable the transparent
transmission function of some or all related information elements.
Syntax isdn ie passthrough { information-element | all } { incoming | outgoing
| both }
undo isdn ie passthrough { information-element | all }
Parameters information-element
List of information elements that support transparent
transmission. See Table 4-3 for detailed information.
all
Enables or disables transparent transmission for all
Q.931 related information elements.
incoming
Specifies to transparently transmit information element
on the incoming direction of Q.931 packet.
outgoing
Specifies to transparently transmit information element
on the outgoing direction of Q.931 packet.
both
Specifies to transparently transmit information element
on both the incoming and outgoing direction of Q.931
packet.
Default By default, Q.931 information element transparent transmission is not enabled on
ISDN interface (PRI interface and BRI interface).
Table 1 Q.931 related information element supporting transparent transmission
Information-element Description
connectnum Connect number
connectsub Connect subnet address
datetime Date and time
display Display
facility Facility
hlc High-layer compatibility
keypad Keyboard facility
llc Lower-layer compatibility
notification Notification
progress Progress
datetime Date and time
display display
facility Facility
hlc High-layer compatibility