Avaya Jtapi Programmer 39-s Guide Jun 2026
The Avaya JTAPI client does not communicate with the Communication Manager switch directly. Instead, it interacts via the server.
The collection of JAR files bundled into your Java application to handle network abstraction, session management, and parsing of downstream telephony events. Setting Up Your Development Environment
To track changes to individual calls (e.g., when a call answers or hangs up):
: Represents the physical endpoint hardware or softphone interface (the desktop instrument). Terminals host one or more addresses.
import javax.telephony.*; import com.avaya.jtapi.tsapi.*; public class AvayaJtapiConnector private Provider provider; public void initializeProvider(String aesIp, String username, String password) try // 1. Obtain the global JTAPI Peer instance JtapiPeer jtapiPeer = JtapiPeerFactory.getJtapiPeer("com.avaya.jtapi.tsapi.TsapiPeer"); // 2. Construct the specialized Avaya connection string String providerString = "AVAYA#" + aesIp + "#" + username + "#" + password; System.out.println("Connecting to AES server..."); // 3. Connect and retrieve the Provider object provider = jtapiPeer.getProvider(providerString); // 4. Wait until the provider is fully initialized and operational int timeout = 0; while (provider.getState() != Provider.IN_SERVICE && timeout < 10) Thread.sleep(1000); timeout++; if (provider.getState() == Provider.IN_SERVICE) System.out.println("Avaya JTAPI Provider successfully IN_SERVICE."); else System.err.println("Provider failed to transition to IN_SERVICE state."); catch (JtapiPeerUnavailableException e) System.err.println("JTAPI Peer Driver Class not found: " + e.getMessage()); catch (ProviderUnavailableException e) System.err.println("Unable to connect to AES server instance: " + e.getMessage()); catch (Exception e) System.err.println("Unexpected initialization error: " + e.getMessage()); public Provider getProvider() return this.provider; Use code with caution. 4. The Core Core Telephony Object Model avaya jtapi programmer 39-s guide
Avaya's JTAPI implementation extends the standard Java Telephony API specification defined by Sun Microsystems. It acts as a client-side wrapper that communicates with Avaya Application Enablement Services (AES). The Communication Pipeline Executes JTAPI code methods.
is a technical manual for developers building telephony applications that interface with Avaya Communication Manager. It details how to use Avaya's specific implementation of the Java Telephony API (JTAPI) to control and monitor phone calls. Avaya Documentation Core Purpose and Audience Primary Goal:
Developing stable CTI applications requires defensive programming due to the unpredictable nature of network connections and hardware states. Thread Management
Utilizes standard and extended JTAPI classes to request actions or listen for events. The Avaya JTAPI client does not communicate with
Represents the relationship between a Call and a specific physical Terminal. 5. Establishing a Connection (The Provider)
To interact with Avaya, your application must first initialize a JtapiPeer and fetch a Provider object using a specific connection string. The Connection String Format avaya:: :: : ::0 Use code with caution. Initialization Code Example
Known extensions, VDNs (Vector Directory Numbers), or ACD split/skills to monitor. Classpath Configuration
The requested extension is not configured on CM or lacks CTI access. Setting Up Your Development Environment To track changes
import javax.telephony.provider.*; public class ResilienceObserver implements ProviderObserver @Override public void providerChangedEvent(ProviderEvent[] eventList) for (ProviderEvent ev : eventList) if (ev instanceof ProvOutOfServiceEv) System.err.println("CRITICAL: AES Connection lost. Triggering reconnection loop..."); triggerReconnection(); private void triggerReconnection() // Schedule a back-off worker thread to re-invoke peer.getProvider() Use code with caution. Resource Optimization
To control call center features, you cast standard JTAPI objects into Avaya extensions, such as LucentAddress and LucentAgent .
: In the AES interface, add your CM switch name and enable JTAPI services .
As the call center hummed with renewed purpose, Samir closed the Programmer’s Guide and slid it into a drawer. It would be there for the next late night, the next tricky bug, whenever someone needed to make the world of telephony just a little more understandable.
public void makeCall(Provider provider, String originatingExtension, String destinationDialString) try Address originAddress = provider.getAddress(originatingExtension); Terminal originTerminal = provider.getTerminal(originatingExtension); // Create an empty Call container context within the provider Call activeCall = provider.createCall(); System.out.println("Spawning outbound call request leg..."); // Connect the physical terminal leg out toward the destination address endpoint activeCall.connect(originTerminal, originAddress, destinationDialString); catch (Exception e) System.err.println("Outbound call execution failed: " + e.getMessage()); Use code with caution. Answering an Incoming Call
You need the IP address, a valid user ID, and a password configured on the AES server.