freeswitch java
时间: 2023-09-09 21:10:55 浏览: 73
FreeSWITCH是一个开源的电话交换平台,它可以在多种操作系统上运行,包括Windows,Linux,macOS等。FreeSWITCH提供了Java API,使得Java开发人员可以使用Java语言与FreeSWITCH进行交互。Java API提供了许多类和方法,可以实现呼叫控制、媒体处理、录音等功能。如果您想在Java中使用FreeSWITCH,请先了解FreeSWITCH的基本概念和架构,然后参考Java API文档编写代码。
相关问题
freeswitch java demo
Certainly! Here's a basic example of a FreeSWITCH Java demo application that can make a phone call:
```java
import org.freeswitch.esl.client.OutboundClient;
import org.freeswitch.esl.client.transport.event.EslEvent;
import org.freeswitch.esl.client.transport.message.EslMessage;
public class FreeSwitchJavaDemo {
public static void main(String[] args) {
String host = "localhost";
int port = 8021;
String password = "ClueCon";
try (OutboundClient client = new OutboundClient()) {
client.connect(host, port, password);
String destinationNumber = "1000";
String callerIdNumber = "1234";
EslMessage response = client.sendSyncApiCommand(
String.format("originate {origination_caller_id_number=%s}sofia/gateway/mygateway/%s &echo", callerIdNumber, destinationNumber)
);
if (response.getHeaderValue("Reply-Text").startsWith("+OK")) {
System.out.println("Call successfully placed!");
} else {
System.out.println("Failed to place the call!");
}
// Listen for events
client.addEventListener((EslEvent event) -> {
// Handle and process events here
});
// Wait for some time to receive events
Thread.sleep(5000);
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
```
In this example, we use the FreeSWITCH ESL (Event Socket Library) Java API to establish a connection with the FreeSWITCH server. We then use the `sendSyncApiCommand` method to send an originate command, which initiates a call from `callerIdNumber` to `destinationNumber`. We also add the `&echo` parameter to have an echo application handle the call.
After sending the command, we check the response to see if the call was successfully placed. Additionally, we can add an event listener to handle and process events received from FreeSWITCH.
Remember to replace `localhost`, `8021`, `ClueCon`, `1000`, and `1234` with your own FreeSWITCH server details, gateway, and desired phone numbers.
This is just a basic example to get you started. You can explore the FreeSWITCH Java API documentation and sample applications for more advanced functionality and customization options.
java freeswitch api
FreeSWITCH提供了Java API,允许Java开发人员在Java应用程序中集成FreeSWITCH的功能。使用Java API,您可以在Java应用程序中实现以下功能:
1. 发起呼叫并进行呼叫控制,如拨号、挂机、保持、转移等。
2. 处理媒体,如播放音频、录制音频、实时音频处理等。
3. 监听事件并做出相应的响应,如处理呼叫事件、媒体事件等。
4. 访问FreeSWITCH的配置文件和状态信息。
在Java应用程序中使用FreeSWITCH Java API需要以下步骤:
1. 下载FreeSWITCH Java API的jar包,并将其添加到Java应用程序的classpath中。
2. 创建FreeSWITCH连接对象,并连接到FreeSWITCH服务器。
3. 创建呼叫对象并发起呼叫。
4. 处理呼叫事件和媒体事件。
5. 断开与FreeSWITCH服务器的连接。
以下是一个使用FreeSWITCH Java API实现呼叫控制和媒体处理的示例代码:
```java
import org.freeswitch.esl.client.inbound.Client;
import org.freeswitch.esl.client.inbound.InboundConnectionFailure;
import org.freeswitch.esl.client.internal.Context;
import org.freeswitch.esl.client.internal.IModEslApi.EventFormat;
import org.freeswitch.esl.client.transport.message.EslMessage;
public class FreeSwitchApiTest {
public static void main(String[] args) throws InboundConnectionFailure {
Client client = new Client();
client.connect("localhost", 8021, "ClueCon", 10);
Context context = new Context();
context.addEvent("CHANNEL_ANSWER CHANNEL_HANGUP_COMPLETE CUSTOM");
client.addEventListener(context);
String uuid = client.originate("sofia/internal/1000", "1001", "playback", "/var/lib/freeswitch/sounds/music/8000/suite-espanola-op47-leyenda.wav", "true");
while (true) {
EslMessage message = client.getEventChannel().readEvent(EventFormat.PLAIN);
if (message == null) {
break;
}
String eventName = message.getEventName();
switch (eventName) {
case "CHANNEL_ANSWER":
System.out.println("Channel answered, UUID: " + message.getEventHeaders().get("Unique-ID"));
break;
case "CHANNEL_HANGUP_COMPLETE":
System.out.println("Channel hangup, UUID: " + message.getEventHeaders().get("Unique-ID"));
break;
case "CUSTOM":
String customEventName = message.getEventHeaders().get("Event-Subclass");
System.out.println("Custom event received, name: " + customEventName);
break;
default:
break;
}
}
client.close();
}
}
```
这个例子中,我们使用FreeSWITCH Java API发起了一个呼叫,播放了一个音频文件,并处理了呼叫事件和自定义事件。
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