UMTS/Backup solution for Internet Access and Telephone

Hello,

I am ISP and offering WaveLAN and FTTH internet Access

Currently I build a hardware router  (Marvel  Discovery  MV78200)  which
handel a backup solution using a GSM/HSPA USB-Stick Huawei K3762-HV.

My problem is, that I can use only UMTS/HSPA Internet acces OR telephony
(asterisk + "chan_datacard" module) on the USB-Stick.

Does someone know, how to configure this pig to support both?

Note:   Normaly by inserting the USB-Stick, it should create TWO
        devices /dev/ttyUSB (one for Telephony/GPRS/AT-Command
        and one for the UMTS channel)

Thanks, Greetings and nice Day/Evening
    Michelle Konzack

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