Comment 15 for bug 1351939

Revision history for this message
Bayu Aditya H. (bayuah) wrote :

Try this:

Before sending the request, transfer the modem port to "silent" mode.

   echo -en 'AT^CURC=0\r\n' > /dev/ttyUSBx

Where ttyUSBx is the port of the modem with which modemmanager communicates.

Source: https://www.linux.org.ru/forum/linux-hardware/12368848