586CHAPTER 37: ISDN CONFIGURATION COMMANDS

<Sysname> system-view

[Sysname] interface bri 2/0

[Sysname-Bri2/0] isdn q921-permanent

isdn send-restart

Syntax isdn send-restart

undo isdn send-restart

View System view

Parameter None

Description Use the isdn send-restartcommand to enable PRI interfaces to actively send ISDN RESTART messages.

Use the undo isdn send-restartcommand to disable PRI interfaces to actively send ISDN RESTART messages.

After the function is enabled, PRI interfaces actively send RESTART messages. to clear calls of the remote end before maintaining B channels.

By default, the PRI interface actively sends RESTART messages to the remote end before maintaining B channels.

Example # Enable the PRI interface to send RESTART messages before maintaining B channels.

<Sysname> system-view

[Sysname] isdn send-restart

isdn spid auto_trigger

Syntax isdn spid auto_trigger

View ISDN BRI interface view

Parameter None

Description Use the isdn spid auto_trigger command to enable SPID auto-negotiation once on the BRI interface running the NI protocol.

On a BRI interface compliant with the North American ISDN protocol, the router can place a call only after SPID negotiation or initialization. SPID information can be obtained via static configuration or dynamic negotiation. You may manually trigger a new SPID negotiation request by executing this command if the SPID negotiation in dynamic negotiation fails or just for the purpose of testing.

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3Com MSR 30, MSR 50 manual Isdn send-restart, Isdn spid autotrigger, Syntax isdn send-restart Undo isdn send-restart