How to Use Microsoft HyperTerminal

After setup your modem you can use Microsoft HyperTerminal to send and read SMS.

Start-->All Programs-->Accessories-->Communication-->HyperTerminal

* First give a name to your connection.

* Then choose an icon.

* After Click OK, then you can see the next window.

*Choose Country code & Choose the COM port in the Connect To dialog box and click OK.(You have to know which COM port is used by your mobile phone or GSM/GPRS modem.

You can find it using,

For Windows 98: Control Panel --> Modem. Then click the Diagnostics tab. Then you can see which COM port the mobile phone or GSM/GPRS modem is connected to.

For Windows 2000 and Windows XP: Control Panel --> Phone and Modem Options. Then click the Modems tab. Then you can see which COM port the mobile phone or GSM/GPRS modem is connected to.)

*Then the properties dialog box comes out(Shown in the image). Set the correct port settings for your modem and click OK.

Now you can use AT commands to send SMS.

Use following AT commands to Send a SMS and Get Delivery report

AT

OK------------When connection between modem and PC is OK

AT+CNMI=1,2,0,1,0
To get CNMI values of your modem type AT+CNMI=?
(Above CNMI values works with my Nokia 30 modem. If your modem type is different you can't get delivery reports using this CNMI values)

OK

AT+CMGS="mobile no"

> message

Ctrl+Z

OK

************************************

You can see the delivery report as below,

+CDS: 6,54,,,"08/12/02,13:28:56+00","08/12/02,13:29:00+00",0
34-PENDING
48-NOT DELIVERD
0-DELIVERD

************************************

Use following AT commands to Read inbox SMS

AT

OK

AT+CMGF=1

OK
AT+CMGR=3--------------To read message no 3
AT+CMGL=”ALL”-------READ ALL