Avaya Jtapi Programmer 39-s Guide
When operating high-throughput call centers or enterprise systems, runtime efficiency and exception hygiene prevent application deadlocks. Exception Hierarchies
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
The guide begins with a high-level diagram showing the relationship between:
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
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The is the primary resource for developing, debugging, and deploying telephony applications on the Avaya Aura® Application Enablement Services (AES) platform. This implementation allows developers to control telephony objects, such as calls and connections, through a sophisticated Java library that translates high-level API calls into CSTA messages for communication with Avaya Communication Manager (CM). 1. Environment Setup & Configuration
: Downloadable from the Avaya DevConnect portal. It contains the core JAR files.
InvalidStateException : Thrown if you try to execute a command that is invalid for the object's current state (e.g., trying to answer a call that has already hung up). Always validate states before invoking actions.
log4j.jar (Used for internal SDK logging framework tracking) AES Server Configuration Checklist Triggering reconnection loop
To begin writing code, you must obtain the official client SDK and configure your build environment. Prerequisites and Dependencies
By implementing RouteSession observers, your application can intercept incoming calls to a specific Virtual Routing Vector Directory Number (VDN). The application can then check an external database or CRM system and dynamically reply to Avaya CM with instructions on where to route the call. 7. Best Practices and Troubleshooting
The guide is freely available on public repositories due to licensing. You can obtain it via:
public void makeCall(Provider provider, String dialFrom, String dialTo) try Address origAddress = provider.getAddress(dialFrom); Terminal origTerminal = origAddress.getTerminals()[0]; // Get physical device Call call = provider.createCall(); // Connect places the call from the source terminal to the target destination call.connect(origTerminal, origAddress, dialTo); System.out.println("Dialing out to: " + dialTo); catch (Exception e) System.err.println("Failed to place call: " + e.getMessage()); Use code with caution. Answering an Incoming Call Answering an Incoming Call import javax.telephony.*
import javax.telephony.*; import com.avaya.jtapi.tsapi.LucentProvider; public class TelephonyManager private Provider provider; public void initializeProvider(String aesIp, String switchName, String user, String password) try // Step 1: Create the Peer JtapiPeer peer = JtapiPeerFactory.getJtapiPeer(null); // Step 2: Construct the service string String serviceString = "AVAYA#" + aesIp + "#CSTA#" + switchName; // Step 3: Open the Provider connection String providerString = serviceString + ";loginID=" + user + ";password=" + password; provider = peer.getProvider(providerString); // Step 4: Wait until the provider is in service long timeout = System.currentTimeMillis() + 5000; while (provider.getState() != Provider.IN_SERVICE) if (System.currentTimeMillis() > timeout) throw new ProviderUnavailableException("Provider connection timed out."); Thread.sleep(100); System.out.println("Successfully connected to Avaya AES Provider."); catch (Exception e) System.err.println("Failed to initialize Avaya JTAPI Provider: " + e.getMessage()); public Provider getProvider() return this.provider; Use code with caution. 4. Core Call Control Concepts
When writing code, you will work with two distinct namespaces:
The Ultimate Avaya JTAPI Programmer’s Guide: Mastering CTI Integration