Вот,нашел http://xxxxxxxxx/index.php?topic=5426.150
Вот лог с Motorola C650
скрипт usbmodem.sh поднимает gprs и всё чётко
Jan 1 00:18:57 kernel: hub.c: new USB device 00:03.0-1, assigned address 5
Jan 1 00:18:57 kernel: forcing new wMaxPacketSize for modem device: 1400
Jan 1 00:18:57 kernel: ttyACM0: USB ACM device
Jan 1 00:19:21 pppd[646]: pppd 2.4.5 started by admin, uid 0
Jan 1 00:19:24 pppd[646]: Serial connection established.
Jan 1 00:19:24 pppd[646]: Using interface ppp0
Jan 1 00:19:24 pppd[646]: Connect: ppp0 <--> /dev/usb/acm/0
Jan 1 00:19:28 pppd[646]: local IP address 10.203.234.247
Jan 1 00:19:28 pppd[646]: remote IP address 192.168.100.101
Jan 1 00:19:28 pppd[646]: primary DNS address 85.115.224.18
Jan 1 00:19:28 pppd[646]: secondary DNS address 213.226.131.131
Jan 1 00:19:28 dnsmasq[67]: read /etc/hosts - 2 addresses
Jan 1 00:19:28 dnsmasq[67]: using nameserver 213.226.131.131#53
Jan 1 00:19:28 dnsmasq[67]: using nameserver 85.115.224.18#53
Jan 1 00:19:29 Automatic IP: connected to ISP
Для моторолки даю такие команды
nvram set modem=gprs
nvram set apn=internet.beeline.ru
nvram set dialnumber=*99#
Маловато дя меня инфы, если бы поподробнее...