we are trying to send message from pc to mobile by using hyperterminal using AT commands.
we have encountered a problem
while typing reciever number
at+cmgs="xxxxxxxxxxx" we got +cms:304 error...

[quote=dougy83;398328]I've used the old Ericsson mobiles to read contents of SIM cards and to send/read SMSs. The commands are sent to the mobile using your serial port at 9600,n,8,1 - you will need...

please give me the suggestion and cheapest way(cost) for sending sms from computer (linux)to mobile for project? and also we need code for that urgently