I am taking help from the following link:
http://www.codeproject.com/KB/cs/SMS.aspx
I have Downloaded source and ran this code on my machine but it is giving an error “Error: Phone reports generic communication error or syntax error”. I’m using the nokia 2690 and I have connected it to my laptop with a data cable in the USB port.
Which .Net Framework you are Using..?
It will supports/requires .Net 2.0/1.1.
Check it.Please otherwise Gothrough this link.
http://www.scampers.org/steve/sms/samples.htm
Hope this may helpful.