Modem settings: AT+CCWA=0,0,1 #disable call-waitingAT+CFUN=1,1 #reset dongleAT^SYSCFG=13,0,3FFFFFFF,0,3 #modem 2G only, any band, no roaming Deleting SMS in sim card memory. After deleting messages you should reset modem. dongle cmd dongle0 AT+CPMS=\“SM\“,\“SM\“,\“SM\“ dongle cmd dongle0…
