Hi, please refer to below. fore more info, please refer to 13.1.3 Parameter definition of <LINK_TEXT text=“https://www.u-blox.com/sites/default/fi … 787%29.pdf”>https://www.u-blox.com/sites/default/files/SARA-R4-SARA-N4_ATCommands_(UBX-17003787).pdf</LINK_TEXT>
An example for the usage of is:
AT+CGDCONT=1,“IP”,“CHAP:internet.t-d1.de”
thanks
Bill