F13下usb tethering E71上网不成功求助！

kwan2004

本人手机有1G数据套餐，所以出差想笔记本利用手机GPRS上网。手机为nokia E71, 网络为移动，APN：cmnet. 利用系统自带NetworkManager里面移动宽带拨号不成功,设置按照向导生成，类型选择2G。使用蓝牙DUN模式，和wvdial手动拨号成功。NetworManager和Modem Manager Debug模式日志如下：
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NetworkManager[8306]: <info> Activation (ttyACM0) starting connection 'CMCC EDGE'
NetworkManager[8306]: <info> (ttyACM0): device state change: 3 -> 4 (reason 0)
NetworkManager[8306]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) scheduled...
NetworkManager[8306]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) started...
NetworkManager[8306]: <info> (ttyACM0): device state change: 4 -> 6 (reason 0)
NetworkManager[8306]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) complete.
NetworkManager[8306]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) scheduled...
NetworkManager[8306]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) started...
NetworkManager[8306]: <info> (ttyACM0): device state change: 6 -> 4 (reason 0)
NetworkManager[8306]: <info> Activation (ttyACM0) Stage 1 of 5 (Device Prepare) complete.
NetworkManager[8306]: <warn> GSM connection failed: (32) Operation not supported
NetworkManager[8306]: <info> (ttyACM0): device state change: 4 -> 9 (reason 1)
NetworkManager[8306]: <info> Marking connection 'CMCC EDGE' invalid.
NetworkManager[8306]: <warn> Activation (ttyACM0) failed.
NetworkManager[8306]: <info> (ttyACM0): device state change: 9 -> 3 (reason 0)
NetworkManager[8306]: <info> (ttyACM0): deactivating device (reason: 0).
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** Message: (ttyACM0) opening serial device...
** (modem-manager:8224): DEBUG: <1280639902.249986> (ttyACM0) device open count is 1 (open)
** (modem-manager:8224): DEBUG: <1280639902.250053> Modem /org/freedesktop/ModemManager/Modems/0: state changed (disabled -> enabling)
** (modem-manager:8224): DEBUG: <1280639902.423060> (ttyACM0): --> 'ATZ E0 V1<CR>'
** (modem-manager:8224): DEBUG: <1280639902.436040> (ttyACM0): <-- '<CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.436294> (ttyACM0): --> 'ATE0<CR>'
** (modem-manager:8224): DEBUG: <1280639902.441935> (ttyACM0): <-- 'ATE0'
** (modem-manager:8224): DEBUG: <1280639902.442108> (ttyACM0): <-- '<CR><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.442294> (ttyACM0): --> 'AT+CMEE=1<CR>'
** (modem-manager:8224): DEBUG: <1280639902.453579> (ttyACM0): <-- '<CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.453743> (ttyACM0): --> 'ATX4 &C1<CR>'
** (modem-manager:8224): DEBUG: <1280639902.464173> (ttyACM0): <-- '<CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.464297> (ttyACM0): --> 'AT+IFC=1,1<CR>'
** (modem-manager:8224): DEBUG: <1280639902.478065> (ttyACM0): <-- '<CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.478204> (ttyACM0): --> 'AT+CSCS="UCS2"<CR>'
** (modem-manager:8224): DEBUG: <1280639902.495125> (ttyACM0): <-- '<CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.495307> (ttyACM0): --> 'AT+CSCS?<CR>'
** (modem-manager:8224): DEBUG: <1280639902.508018> (ttyACM0): <-- '<CR><LF>+CSCS: "UCS2"<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.508309> Modem /org/freedesktop/ModemManager/Modems/0: state changed (enabling -> enabled)
** (modem-manager:8224): DEBUG: <1280639902.508621> (ttyACM0): --> 'AT+CREG=2<CR>'
** (modem-manager:8224): DEBUG: <1280639902.520004> (ttyACM0): <-- '<CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.520150> (ttyACM0): --> 'AT+CSQ<CR>'
** (modem-manager:8224): DEBUG: <1280639902.528042> (ttyACM0): <-- '<CR><LF>+CSQ: 12,99<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.528210> (ttyACM0): --> 'AT+CREG?<CR>'
** (modem-manager:8224): DEBUG: <1280639902.539336> (ttyACM0): <-- '<CR><LF>+CREG: 2,1,"7025","AFE8"<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: Registration state changed: 1
** (modem-manager:8224): DEBUG: <1280639902.539590> Modem /org/freedesktop/ModemManager/Modems/0: state changed (enabled -> registered)
** (modem-manager:8224): DEBUG: <1280639902.539746> (ttyACM0): --> 'AT+CGREG=2<CR>'
** (modem-manager:8224): DEBUG: <1280639902.552106> (ttyACM0): <-- '<CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.552328> (ttyACM0): --> 'AT+COPS=3,2;+COPS?<CR>'
** (modem-manager:8224): DEBUG: <1280639902.573384> (ttyACM0): <-- '<CR><LF>+COPS: 0,2,"46000",0<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.573767> (ttyACM0): --> 'AT+COPS=3,0;+COPS?<CR>'
** (modem-manager:8224): DEBUG: <1280639902.595081> (ttyACM0): <-- '<CR><LF>+COPS: 0,0,"CMCC",0<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.595494> (ttyACM0): --> 'AT+CSQ<CR>'
** (modem-manager:8224): DEBUG: <1280639902.605052> (ttyACM0): <-- '<CR><LF>+CSQ: 12,99<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.605255> (ttyACM0): --> 'AT+CGREG?<CR>'
** (modem-manager:8224): DEBUG: <1280639902.617948> (ttyACM0): <-- '<CR><LF>+CGREG: 2,0,"7025","AFE8"<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.624261> (ttyACM0): --> 'AT+CSQ<CR>'
** (modem-manager:8224): DEBUG: <1280639902.632092> (ttyACM0): <-- '<CR><LF>+CSQ: 12,99<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639902.632298> (ttyACM0): --> 'AT+CSQ<CR>'
** (modem-manager:8224): DEBUG: <1280639902.640022> (ttyACM0): <-- '<CR><LF>+CSQ: 12,99<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639932.977774> (ttyACM0): --> 'AT+CSQ<CR>'
** (modem-manager:8224): DEBUG: <1280639932.985923> (ttyACM0): <-- '<CR><LF>+CSQ: 12,99<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639935.978117> (ttyACM0): --> 'AT+CSQ<CR>'
** (modem-manager:8224): DEBUG: <1280639935.987950> (ttyACM0): <-- '<CR><LF>+CSQ: 12,99<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639963.5287> (ttyACM0): --> 'AT+CSQ<CR>'
** (modem-manager:8224): DEBUG: <1280639963.13998> (ttyACM0): <-- '<CR><LF>+CSQ: 11,99<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280639992.978242> (ttyACM0): --> 'AT+CSQ<CR>'
** (modem-manager:8224): DEBUG: <1280639992.986995> (ttyACM0): <-- '<CR><LF>+CSQ: 12,99<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280640022.982366> (ttyACM0): --> 'AT+CSQ<CR>'
** (modem-manager:8224): DEBUG: <1280640022.990377> (ttyACM0): <-- '<CR><LF>+CSQ: 12,99<CR><LF><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280640025.905018> (ttyACM0): <-- '<CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280640026.457023> (ttyACM0): <-- 'ATQ0 V1 E1<CR><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280640027.8021> (ttyACM0): <-- 'ATQ0 V1 E1<CR><CR><LF>OK<CR><LF>'
** (modem-manager:8224): DEBUG: <1280640042.112312> Modem /org/freedesktop/ModemManager/Modems/0: state changed (registered -> disabling)
** (modem-manager:8224): DEBUG: <1280640042.112432> (ttyACM0) device open count is 0 (close)
** Message: (ttyACM0) closing serial device...
** (modem-manager:8224): DEBUG: <1280640042.131134> Modem /org/freedesktop/ModemManager/Modems/0: state changed (disabling -> disabled)
各位帮忙看看是哪里出了问题？