Hello, im running the server with 3 or more modems.

anybody know how can i fix AT BOOT the ttyUSBx or GSMx to one IMSI (or one SIM CARD) FOREVER?

I need to assign sms traffic to differents modem, but i needs to associate this to a SIM CARD or NUMBER and this need ever the same modem associated to same sim.

Thank in advance!

Regards!
Cristian