Example on how to send/receive SMS in Java
On this site you will find examples on how to send and receive SMS in
Java programming language. This site was designed and created to help
you pick the most suitable method of your preference. This information
helps you create the SMS solution in JAVA on the server side. If you
would like to use JAVA on mobile phones (e.g. J2ME SMS communication),
you will find the document about SMS application port numbers useful.
Introduction
Java is one of the most popular programming language today. It offers many
possibilities to develop applications and to build various solutions,
but in order to be able to send and receive SMS messages, its possibilities
need to be extended. If you are a Java developer and you would like
to communicate with mobile users by sending SMS messages to their mobile
phones, you need to find a way to communicate with the mobile network. The best
way to do this is to operate your own SMS gateway. After you have setup
an SMS gateway (for example the Ozeki NG SMS Gateway) in your network, all
you have to do is find an appropriate interface to this gateway. In the
following part, you can read about the best interfaces available for SMS
messaging.
Sending SMS from Java using a database
If you are looking for a solution which assures
accuracy, safety and high efficiency, probably the Java database
solution will be your best choice. This solution uses a database server,
(such as Oracle, MySQL, Java DB, MS SQL, etc) to send and receive SMS
messages.
We recommend you to use this solution if your Java application already
uses a database for storing information.
Figure 1 - How to send and receive SMS messages from Java through
SQL
The diagram above illustrates how this solution works.
When you want to send an SMS it should be stored in a database table.
The SMS gateway installed in your network will periodically check this
database table and if it finds any unsent records, it will submit them
and after submission it will update the status field of the record. This
way your Java application will know if the message was sent or not.
Receiving
works a similar way. When an SMS comes in, it is stored in a database table.
Your JAVA application can read this database table to find new incoming
messages.
Read more:
How to send SMS from Java through an SMS gateway using SQL
Sending SMS from JAVA using HTTP
This configuration is beneficial for those Java
developers who prefer to use HTTP requests in their systems to submit SMS
messages. As Java has built in functionality for HTTP, this is a very simple
and efficient solution to post messages to the mobile network. HTTP
submissions can go through plain an encrypted (HTTPS) connections, thus
this solution not
only gives you high performance, but can also be used to achieve greater
security. If you operate your own SMS gateway, and you pass your messages
to it using HTTP requests, SMS messages can be sent and received
swiftly to mobile users (Figure 2).
Figure 2 - How to send text messages to cellphones from
Java.
If you examine the above figure, you can see that
in this configuration, the SMS messages are sent directly to the SMS
gateway from the Java program using HTTP requests. If an incoming SMS
comes in your Java application can receive it in two ways. It can poll
the SMS gateway periodically to check for incoming messages, or if it
as able to receive incoming HTTP requests, the SMS gateway can post
incoming messages to it through HTTP.
Read more:
How
to send and receive SMS messages using HTTP request in JAVA
Sending SMS From Java using the Ozeki Java SMS SDK
The best option to send and receive SMS messages form
Java is to use the Ozeki Java SMS SDK. This SDK gives you a library
that communicates with the SMS Gateway through a TCP/IP socket. It
is excellent because it is very fast, efficient and it provides
asynchronous event handling to notify you about delivery information
and incoming messages.
Figure 3 - Send/receive SMS in Java through the Ozeki
Java SDK
Figure 3 gives a little insight on how this SDK works.
SMS messages are channeled through a TCP connection directly to
the Ozeki NG SMS Gateway. The SMS gateway forwards the messages directly
to the mobile network and it uses the established TCP channel to return
delivery reports to the Java program. The Java program can work with
these reports by implementing the events triggered in the SDK.
Read more:
How to send and receive SMS messages using the Ozeki Java SDK.
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