No ideas about voice, sorry.
For SMS I suggest following the example below and post the error, if any.
These commands are standard, e.g. not specific to Quectel, you can run them on any modem you have to compare results.
No ideas about voice, sorry.
For SMS I suggest following the example below and post the error, if any.
These commands are standard, e.g. not specific to Quectel, you can run them on any modem you have to compare results.