Am developing a sms based website. i bought the gsm modem. problem how to connect the com port through php and querying the gsm modem with AT Commands ?? Please help me out
Modem:- Visontek 82GH USB MODEM
It supports at commands.
Note:- Am sending sms and making calls through their software but how to connect the modem through gsm modem i dont know. Please help me.
Thanks in advance