Do the following Download from http://linmodems.technion.ac.il/packages/smartlink/ the package SLMODEMD-1.0.13.tar.gz having a compiled slmodemd. Unpack under Linux with: $ tar zxf SLMODEMD-1.0.13.tar.gz and read instructions therein. But briefly, the modem is setup with command: sudo slmodemd -c YOUR_COUNTRY --alsa modem:1 reporting dynamic creation of ports: /dev/ttySL0 --> /dev/pts/N , with N some number Read Smartlink.txt and Modem/YourSystem.txt for follow through guidance.
The PCI slot 00:1f.6 of the modem card may be disabled early in a bootup process, but then enabled later. If modem drivers load but the modem is not responsive, read Bootup.txt about possible fixes. Send dmesg.txt along with ModemData.txt to discuss@xxxxxxxxxxxxx if help is needed.
Regards, Antonio