aimsml,
лог и /root/spark/Ad/Patch/sbin/busybox lsusb показуй

Это со спарковским диаллером

Bus 001 Device 001: ID 1d6b:0002
Bus 002 Device 001: ID 1d6b:0001
Bus 002 Device 003: ID 12d1:1003

Это с модемдиал
[root@stlinux]#cat /tmp/log
 PPPD is offline. Trying to start ...
Trying to switch: Huawei switch to Modem mode
Trying find port after switching to modem mode:...[FAILED]
Can't find usb modem
Find Mgcamd file...
 Try start Mgcamd w\o pppd
 Can't find pppd. Didn't start Mgcamd

[root@stlinux]# /root/spark/Ad/Patch/sbin/busybox lsusb
Bus 001 Device 001: ID 1d6b:0002
Bus 002 Device 001: ID 1d6b:0001
Bus 002 Device 002: ID 12d1:1446