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The free Java library for Asterisk PBX integration.
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Go to fileThe Asterisk-Java package consists of a set of Java classes that allow you to easily build Java applications that interact with an Asterisk PBX Server. Asterisk-Java supports both interfaces that Asterisk provides for this scenario: The FastAGI protocol and the Manager API. You can find the Java docs for the latest version here: Javadoc
FastAGI lets you create a service that manages a call in a similar way to how a webserver handles an HTTP request. FastAGI can be (and should be) used to replace dialplan. FastAGI is thousands of times faster than dialplan, easier to debug and lets you do call control in a language that you are familiar with. The FastAGI implementation supports all commands currently available from Asterisk.
The Manager API implementation supports receiving events from the Asterisk server (e.g. call progress, registered peers, channel state) and sending actions to Asterisk (e.g. originate call, agent login/logoff, start/stop voice recording). If you like, the Manager API allows you to start and manipulate calls. A complete list of the available events and actions is available in the documentation.
Activities are new to asterisk-java 2.0. The aim of Activities is to provide a high level interface to interactions with Asterisk. Whist Activities use both FastAGI and the Manager API you would normally consider Activities as a replacement for the Manager API. Activities provide a simple and consistent method of interaction with Asterisk without having to worry about issues such as connection management and without having to understand the intricacies of Asterisk Manager Actions and Events. Getting Started Tutorial Activities Examples
dependency> groupId>org.asteriskjavagroupId> artifactId>asterisk-javaartifactId> version>3.39.0version> dependency>
implementation group: 'org.asteriskjava', name: 'asterisk-java', version: '3.39.0' git clone https://github.com/asterisk-java/asterisk-java.git cd asterisk-java mvn install After the build is complete, the jar will then be built as target/asterisk-java.jar in the asterisk-java directory.
import org.asteriskjava.fastagi.AgiChannel; import org.asteriskjava.fastagi.AgiException; import org.asteriskjava.fastagi.AgiRequest; import org.asteriskjava.fastagi.BaseAgiScript; /* Example incoming call handler. Answer call, speak message */ public class ExampleCallIn extends BaseAgiScript < public void service(AgiRequest request, AgiChannel channel) throws AgiException < answer(); exec("Playback", "tt-monkeys"); hangup(); > >
The file examples/fastagi.properties maps your Asterisk dialplan context to the class you would like to invoke above.
callin.agi = ExampleCallIn javac -cp asterisk-java.jar ExampleCallIn.java java -cp asterisk-java.jar org.asteriskjava.fastagi.DefaultAgiServer Asterisk-Java needs a Java Virtual Machine of at least version 1.8 (Java SE 8.0). If you want to build the jar from source, you will also need Maven.