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> lsusb

Bus 001 Device 005: ID 12d1:1001 Huawei Technologies Co., Ltd. E161/E169/E620/E800 HSDPA Modem
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. SMC9514 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


> sudo apt install usb-modeswitch


> sudo apt install wvdial
> sudo wvdial

--> WvDial: Internet dialer version 1.61
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
OK
--> Modem initialized.
--> Configuration does not specify a valid phone number.
--> Configuration does not specify a valid login name.
--> Configuration does not specify a valid password.


> sudo nano /etc/wvdial.conf

[Dialer 1nce]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2
Init3 = AT+CGDCONT=1,"IP","iot.1nce.net"
Modem Type = Analog Modem
Baud = 9600
New PPPD = yes
Modem = /dev/ttyUSB0
ISDN = 0
Phone = *99#
Password = *
Username = *


> sudo wvdial 1nce


--> WvDial: Internet dialer version 1.61
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2
ATQ0 V1 E1 S0=0 &C1 &D2
OK
--> Sending: AT+CGDCONT=1,"IP","iot.1nce.net"
AT+CGDCONT=1,"IP","iot.1nce.net"
OK
--> Modem initialized.
--> Sending: ATDT*99#
--> Waiting for carrier.
ATDT*99#
CONNECT
--> Carrier detected.  Waiting for prompt.
--> Starting pppd at Mon Jun 21 10:29:44 2021
--> Pid of pppd: 5027
--> Using interface ppp0
--> local  IP address x.x.x.x
--> remote IP address x.x.x.x
--> primary   DNS address 8.8.8.8
--> secondary DNS address 8.8.4.4


> Crtl+C


Caught signal 2:  Attempting to exit gracefully...
--> Terminating on signal 15
--> Connect time 1.5 minutes.
--> Disconnecting at Mon Jun 21 10:31:16 2021


> ifconfig


ppp0: 	flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST>  mtu 1500
        inet x.x.x.x  netmask 255.255.255.255  destination x.x.x.x
        ppp  txqueuelen 3  (Punkt-zu-Punkt-Verbindung)
        RX packets 10  bytes 202 (202.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 11  bytes 241 (241.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

Requirements

Besides a USB Modem with a 1NCE SIM, a Linux Host Device with Command Line Interface access as well as internet access for installing the software is needed.

Please insert the 1NCE SIM into the USB Modem according to the manufacturer’s instructions and connect the USB Modem to a free USB port of the Linux system.

In this recipe we are using a Raspberry Pi 3 with a Debain-based Linux OS and a Huawei E1550 USB Modem.

Install USB Modem Drivers

Dependent on the USB modem, additional drivers might be needed. Please check by searching for the model number of the modem and the used operating system.

The connected USB devices can be listed using 'lsusb'. This will show a list, identifying the connected devices. The USB modem needs to be enumerated. In our case, the Huawei modem is correctly listed.

USB Modeswitch

This step is not always required!

Some USB modems have multiple operating modes that need to be configured. In this case, installing usb-modeswitch can help to switch the device to the correct mode.

Please check by searching for the model number of the modem and the used operating system.

Install Wvdial

Install the wvdial software using the build in package manager of the Linux OS.

Generate Default Config

While the USB modem is connected, run 'sudo wvdial' to create a default configuration file.

1NCE Config

Open the configuration file in a text editor and append the 1NCE wvdial configuration to the file.

Please compare the inserted 1NCE configuration to the default values and adapt any differences to the 1NCE setup.

Note that the 1NCE setup does not need a username or password.

Initiate Connection

The connection to the mobile network can now be started. Please note that this process will take some time to start and is a blocking command.

Terminating Connection

The connection can be terminated by using 'ctrl+c'.

Connection Monitoring

The connection can be monitored using the 'ifconfig' command. The IP and transmitted data of the point-to-point interface will be listed as a response.

Wrap Up

This simple demo should get you started using wvdial on a Linux OS. For further integration of wvdial into custom applications and the operating system specific guides of wvdial.