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By default, NIT mode does not apply on BRI interfaces. Instead, static SPID or
dynamic SPID negotiation is applied.
On an NI-compliant BRI interface, calls can be placed only after the SPID negotiation
or initialization is finished. When the router is communicating with an NI-compliant
exchange that does not support SPID negotiation, you can use this command to set
the SPID processing mode on the router to NIT and ISDN will ignore ISPID
negotiation and initialization.
This command applies only on NI-compliant BRI interfaces.
Example
Ignore SPID negotiation and initialization on interface bri0.
[3Com-bri0] isdn spid nit
6.11 isdn spid timer
Syntax
isdn spid timer seconds
undo isdn spid timer
View
ISDN BRI Interface view
Parameter
seconds: Duration of the SPID timer, which is in the range of 1 to 255 seconds, and
defaults to 30 seconds.
Description
Using the isdn spid timer command, you can set the duration of the timer TSPID for
an NI-compliant BRI interface to timer length. Using the undo isdn spid timer
command, you can restore the default duration of the timer TSPID for the
NI-compliant BRI interface.
On a BRI interface compliant with the ISDN protocol in North America, calls can be
placed only after the SPID negotiation or initialization is finished. SPID information
can be obtained via static configuration or dynamic negotiation. The timer TSPID is
started when the terminal originates a negotiation or initialization request by sending
the INFORMATION message. You can use this command to modify the duration of
TSPID.
3Com Router Command Reference Guide Addendum for V1.2
97