dewok
Newbie level 1
Why neoway m590 GSM GPRS NOT send Message ?
why my gsm neoway m590 module can not send a message, call, but run AT command, AT + CMGF = 1 is "OK" but another command like AT + CMGS is worth ERROR ,?
why my gsm neoway m590 module can not send a message, call, but run AT command, AT + CMGF = 1 is "OK" but another command like AT + CMGS is worth ERROR ,?