When the SMS memory space is full, incoming messages cannot be received. After executing AT+QEXTUNSOL=”SM”, 1, the module will respond +TSMSINFO:322 when the SMS memory space is full
When the SMS memory space is full, incoming messages cannot be received. After executing AT+QEXTUNSOL=”SM”, 1, the module will respond +TSMSINFO:322 when the SMS memory space is full