WebClient wbcRingtone = new WebClient();

// Add a user agent header in case the requested URI contains a query.

// http://www.hanusoftware.com

wbcRingtone.Headers.Add("user-agent","Mozilla/4.0(compatible;MSIE 6.0;Windows NT 5.2; .NET CLR 1.0.3705");

wbcRingtone.QueryString.Add("user","xxxxxxxx");

wbcRingtone.QueryString.Add("password","xxxxxxxx");

wbcRingtone.QueryString.Add("api_id", "xxxxxxxxxx");

//wbcRingtone.QueryString.Add("msg_type", "SMS_NOKIA_RTTL");

wbcRingtone.QueryString.Add("to", cellNo);

////wbcRingtone.QueryString.Add("text", "Flintstone:d=4,o=5,b=200:g#,c#,8p,c#6,8a#,g#,c#,8p,g#,8f#,8f,8f,8f#,8g#,c#,d#,2f,2p,g#,c#,8p,c#6,8a#,g#,c#,8p,g#,8f#,8f,8f,8f#,8g#,c#,d#,2c#");

wbcRingtone.QueryString.Add("from", "xxxxxxxxx");

wbcRingtone.QueryString.Add("mms_subject", "xxxxxxxxx");

wbcRingtone.QueryString.Add("mms_class", "xxxxxx");

wbcRingtone.QueryString.Add("mms_expire", "xxxxxxx");

wbcRingtone.QueryString.Add("mms_from", "xxxxxxxxx");

wbcRingtone.QueryString.Add("mms_url", "http://www.some.com/folder/mms.mms");

//string baseURL = "http://api.clickatell.com/http/sendmsg";

string baseURL = "http://api.clickatell.com/mms/ind_push.php";

Stream data = wbcRingtone.OpenRead(baseURL);

StreamReader reader = new StreamReader(data);

string s = reader.ReadToEnd();

data.Close();

reader.Close();

string queryURL = GetQueryForMMS(s);

return queryURL;


Software Development India

By the way you can take a look at this:

Ozeki SMS sending and SMS receiving Gateway

This is standalone SMS gateway, that can be
installed into your PC and it simplifes most
of the tasks you want to do when you want
to create such a solution.