I have a nokia 5110 mobile which i have connected to my PC serial port.I have installed the nokia data suite.But it doesnot detect my mobile.My problem is that when i connect to my mobile using hypertermial (using the Virtual Comm port 3) my mobile gives me Ok Responses to ALL the AT commands.But when i try to read or send an message (using at+cmgr and at+cmgs) it gives me an error messages.Can u tell me what could be the problem.When i give the AT+CMGS="+91...." command i do get the '>' sign after that but It gives me an ERROR message after that.Please Help.