Re: GJTAPI and JTAPI

Try to use JDK 1.4 and above

-----Original Message-----
From: Ian Lin [mailto:[email protected]] 
Sent: Wednesday, November 03, 2004 7:15 PM
To: [email protected]
Subject: [JTAPI] GJTAPI and JTAPI

Hi all:
I am new for JTAPI and GJTAPI, I got the sample code from
http://java.sun.com/products/jtapi/jtapi-1.2/Overview.html
And according to some search result from
http://sourceforge.net/forum/forum.php?thread_id=1068830&forum_id=131056
,
so I modify the JtapiPeerFactory.getJtapiPeer(null) to
JtapiPeerFactory.getJtapiPeer("net.sourceforge.gjtapi.GenericJtapiPeer")
and peer.getProvider(null) to peer.getProvider("Emulator");

Sample code is listed below:

import javax.telephony.*;
import javax.telephony.events.*;
import MyOutCallObserver;


/*
 * Places a telephone call from 476111 to 5551212
 */
public class Outcall {

  public static final void main(String args[]) {

    /*
     * Create a provider by first obtaining the default implementation
of
     * JTAPI and then the default provider of that implementation.
     */
    Provider myprovider = null;
    try {
      JtapiPeer peer = JtapiPeerFactory.getJtapiPeer
("net.sourceforge.gjtapi.GenericJtapiPeer");
      myprovider = peer.getProvider("Emulator");
    } catch (Exception excp) {
      System.out.println("Can't get Provider: " + excp.toString());
      System.exit(0);
    }

   /*
    * We need to get the appropriate objects associated with the
    * originating side of the telephone call. We ask the Address for a
list
    * of Terminals on it and arbitrarily choose one.
    */
    Address origaddr = null;
    Terminal origterm = null;
    try {
      origaddr = myprovider.getAddress("4761111");

      /* Just get some Terminal on this Address */
      Terminal[] terminals = origaddr.getTerminals();
      if (terminals == null) {
        System.out.println("No Terminals on Address.");
        System.exit(0);
      }
      origterm = terminals[0];
    } catch (Exception excp) {
      // Handle exceptions;
    }


    /*
     * Create the telephone call object and add an observer.
     */
    Call mycall = null;
    try {
      mycall = myprovider.createCall();
      mycall.addObserver(new MyOutCallObserver());
    } catch (Exception excp) {
      // Handle exceptions
    }

    /*
     * Place the telephone call.
     */
    try {
      Connection c[] = mycall.connect(origterm, origaddr, "5551212");
    } catch (Exception excp) {
      // Handle all Exceptions
    }
  }
}

And, I have downloaded the JTAPI class file(jtapi12-class.zip) and
GJTAPI
class(gjtapi-1.7.jar), then I put these two jar(jtapi.jar,
gjtapi-1.7.jar)
in C:\jdk1.3.1_13\lib folder.
Then I compiler the source above.
javac -classpath c:\jdk_1.3.13\lib\jtapi.jar;. Outcall.java
Compiler is ok, then
java -classpath c:\jdk_1.3.13\lib\jtapi.jar;c:\jdk_1.3.13\lib\gjtapi-
1.7.jar;. Outcall
But error message displays
Exception in thread "main" java.lang.UnsupportedClassVersionError:
net/sourceforge/gjtapi/GenericJtapiPeer (unsupported major.minor version
48.0).............
Does anyone have the same experience with me?
Or do I make something wrong?

Thanks in advance for your kindly reply.

Ian

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