EC20 Unable to get IP using quetcel-CM on Ubuntu 18.04 LTS

test environment: Ubuntu 18.04 LTS for PC
the following is the command and return I executed:

$ sudo ./quectel-CM &
[10-28_10:23:48:643] WCDMA&LTE_QConnectManager_Linux&Android_V1.1.45
[10-28_10:23:48:644] ./quectel-CM profile[1] = (null)/(null)/(null)/0, pincode = (null)
[10-28_10:23:48:644] Find /sys/bus/usb/devices/1-4.4 idVendor=2c7c idProduct=0125
[10-28_10:23:48:644] Find /sys/bus/usb/devices/1-4.4:1.4/net/wwp0s20u4u4i4
[10-28_10:23:48:644] Find usbnet_adapter = wwp0s20u4u4i4
[10-28_10:23:48:645] Find /sys/bus/usb/devices/1-4.4:1.4/usbmisc/cdc-wdm0
[10-28_10:23:48:645] Find qmichannel = /dev/cdc-wdm0
[10-28_10:23:48:675] cdc_wdm_fd = 7
[10-28_10:23:48:780] Get clientWDS = 18
[10-28_10:23:48:812] Get clientDMS = 1
[10-28_10:23:48:843] Get clientNAS = 3
[10-28_10:23:48:875] Get clientUIM = 1
[10-28_10:23:48:907] Get clientWDA = 1
[10-28_10:23:48:939] requestBaseBandVersion EC20CEHCR06A04M1G
[10-28_10:23:49:068] requestGetSIMStatus SIMStatus: SIM_READY
[10-28_10:23:49:100] requestGetProfile[1] ctnet/vnet@mycdma.cn/vnet.mobi/2
[10-28_10:23:49:132] requestRegistrationState2 MCC: 460, MNC: 11, PS: Attached, DataCap: LTE
[10-28_10:23:49:163] requestQueryDataCall IPv4ConnectionStatus: DISCONNECTED
[10-28_10:23:49:227] requestRegistrationState2 MCC: 460, MNC: 11, PS: Attached, DataCap: LTE
[10-28_10:23:49:259] requestSetupDataCall WdsConnectionIPv4Handle: 0x86bf8fe0
[10-28_10:23:49:324] requestQueryDataCall IPv4ConnectionStatus: CONNECTED
[10-28_10:23:49:355] ifconfig wwp0s20u4u4i4 up
[10-28_10:23:49:362] busybox udhcpc -f -n -q -t 5 -i wwp0s20u4u4i4
udhcpc: started, v1.27.2
udhcpc: sending discover
udhcpc: sending discover
udhcpc: sending discover
udhcpc: sending discover
udhcpc: sending discover
udhcpc: no lease, failing

$ sudo echo -e “AT+CGPADDR\r\n” > /dev/ttyUSB2

AAT+CGPADDR

+CGPADDR: 1,“10.146.4.206”

+CGPADDR: 2,“0.0.0.0,0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0”

+CGPADDR: 6,“0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0”

+CGPADDR: 7,“0.0.0.0”

+CGPADDR: 8,“0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0”

+CGPADDR: 9,“0.0.0.0”

OK

AT+C

ERROR

AT+C

ERROR

Dear Sir,
Please confirm whether you use the private network SIM card? If yes, whether you use the right APN, username, password? Whether you have change another SIM card to have a try?
Form the log you provided, we can not confirm your issue, please use command ifconfig wwp0s20u4u4i4 to check whether get IP address. Thanks!
By the way, where are you come from, EC20 module is design for China domestic marketing, if you are oversea marketing, you must use EC25 module, not EC20. Thanks!

Hello, Kason, I am from China, I am sorry, my English ability is limited, I can’t express my problem well.
Ifconfig wwp0s20u4u4i4 can’t get ip.
SIM: China Telecom
"sudo ./quectel-CM -s ctnet " The same result
“NetworkManager” can work normally, but I want to use quetcel-CM.

Dear Jerry,
Please change another SIM card to have a try. Then save the whole log and send it to support@quectel.com, we will arrange local FAE to support you. If necessary, we can support you on site. Thanks!