set @URL=N'http://localhost/Test/WebService1.asmx/Frm_SendNotification?LsM_Message='test'
EXEC @rc = sp_OACreate 'MSXML2.ServerXMLHTTP', @objServHTTP OUT
EXEC @rc = sp_OAMethod @objServHTTP, 'open', NULL, 'GET', @URL
EXEC @rc = sp_OAMethod @objServHTTP, 'send'
EXEC @rc = sp_OADestroy @objServHTTP