586 CHAPTER 37: ISDN C ONFIGURATION COMMANDS system-view[Sysname] interface bri 2/0[Sysname-Bri2/0] isdn q921-permanentisdn send-restartSyntax isdn send-restartundo isdn send-restartView System viewParameter NoneDescription Use the isdn send-restart command to enable PRI interfaces to actively sendISDN RESTART messages.Use the undo isdn send-restart command to disable PRI interfaces to activelysend ISDN RESTART messages.After the function is enabled, PRI interfaces actively send RESTART messages. toclear calls of the remote end before maintaining B channels.By default, the PRI interface actively sends RESTART messages to the remote endbefore maintaining B channels.Example # Enable the PRI interface to send RESTART messages before maintaining Bchannels. system-view[Sysname] isdn send-restartisdn spid auto_triggerSyntax isdn spid auto_triggerView ISDN BRI interface viewParameter NoneDescription Use the isdn spid auto_trigger command to enable SPID auto-negotiation onceon the BRI interface running the NI protocol.On a BRI interface compliant with the North American ISDN protocol, the routercan place a call only after SPID negotiation or initialization. SPID information canbe obtained via static configuration or dynamic negotiation. You may manuallytrigger a new SPID negotiation request by executing this command if the SPIDnegotiation in dynamic negotiation fails or just for the purpose of testing.
