SendMessage Method
Sends a message to all recipients in the recipient list.
Syntax
smpp.sendMessage(message, [callback])
Callback
The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).
The callback for this method is defined as:
function(err, data){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'data' is the value returned by the method.
'err' has 2 properties which hold detailed information:
err.code err.message
Remarks
The methods sends a message to all recipients in the recipient list. The return value of this method is the server-assigned identifier of the message. The max size of the message sent is 256 bytes.