Video chat works to one person, not to other

I am on the road w/my iBook G4. I have no trouble establishing a video chat with one person, but can't get it to work when I try to connect to my home machine. My home machine can do a video chat to someone else. it gives me a failed to connect, or the person declined the invitation message. any help?

Hi David,
These are User to User help forums.
There a limited number of Hosts who monitor the content for offensive and posts against the Term and Conditions.
There is some evidence that some information is taken from the forums and made into Knowledge Docs, but it is rare.
From the iChat menu there is a link to the iChat Feedback page and 10.4.7 now includes a log creation that you can send to Apple on certian types of connection failure.
As different modems and routers do actually use different forms of NAT (Network Address Translation) used when people use Port Forwarding, Triggering or DMZ then there can be problems with connection when the devices don't "Play Nicely".
We would ned to know more about the devices involved to comment further
http://discussions.apple.com/thread.jspa?threadID=527902
8:51 PM Sunday; July 2, 2006

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Audio+Video Chat works but one small problem.Pls help.

HI..
as i had posted once before in a different query's thread, i have implemented audio and video chat using AVTRansmit2 and avreceive2.
audio and video chat work well.By video chat i mean not only video but VIDEO+AUDIO as well.. just like usual yahoo video chat.
But the problem is like this:-=
I have given an option for user to switch from audio chat to video chat.
now if a user first goes to audio chat and then switched to video chat,
then the problem comes. When he's shifted to video chat i close down previous Audio chat by RTPManager.dispose() , i close the player and everything..
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Hi anandreyvk . .
well, i had tried doing removetargets and also, i had disposed RTPManager well. As it turns out the problem was not with any of it but it was the problem of me incorrectly passing RTPManager from AVReceive2 to AVTransmit2.
Actually i am using just one RTPManager.. since i am receiving and transmitting on the same port.
i've solved the problem but i am not sure if this is the right way .. what do you think ??
is creating just one RTPManager {by that,i mean initializing it only once} a good idea ?? Since we are supposed to call both AVTransmit2 and AVReceive2 with the "LOCAL PORT" .. {which in itself is a matter of discussion though! } i and my project mate thought initializing RTPManager only once is a better option .
Whats your take on all of this ?

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My video chat works sometimes but it seems when I am at home it will not work with my internet? the people I am chatting with are on the same internet that they were on when it worked. Why is this? what can I change?

Hi,
I would change the Bandwidth Setting in iChat Menu > Preferences > Video section > Bandwidth Limit drop down.
Start at 500kbps
Open the Connection Doctor (Video menu) during a chat.
Try other settings but allow the Buffering to smooth out the change as seen in the Bit rate becoming stable in the Connection Doctor.
Most Issues are about the amount of Internet Speed iChat 5 can see compared to other version which can impact on how much data you can send or receive.
In some cases this change can be impacted by Threshold controlled features in your modem or router (Turn Off SPI or DoS items).
8:28 PM Friday; October 16, 2009

Video chat works on AIM but not iChat

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Does the fact that AIM works but iChat does not say anything about where to concentrate for troubleshooting?
Mac Mini Mac OS X (10.4.5)

Umm,
I see a potential problem.
The D-Link DI 624 does not like doing UPnP for iChat
See note 2 here (This may have been corrected with later firmware that shwn in the table of devices).
This is of Course to get these listed device to Work Out of the box rather than set up as many people have to do.
Moving back to the problem We have a device that does not like UPnP and another computer to connect.
If Port Forwading is being used then one computer is out of the loop anyway.
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I would not use this method described on this page though. as it descibes a PC app to help with a Mac application.
Set the iChat ports like this.
Trigger port 5190 (Start and End) TCP protocol (Type) to open Port 5190 Public tpye Both
Trigger port 5678 (Start and end) Tpye UDP opens ports 5678,5060,16384-16403 (please not the lack of spaces)
The Bonjour ports need to be triggered as single ports like 5190 but the public type for 5297 and 5353 can stay at UDP and the 5298 can be set to Both.
The Jabber ports of 5220, 5222 and 5223 can also be set as single triggers.
The AIM application will then be able to use the Port 5190 trigger.
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11:43 PM Wednesday; March 22, 2006

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I'm connecting three Macbooks using iChat AV. If I initiate the session the other two accept and we have a three way video chat. Either of the other two can initiate a video chat with me. Problem:
neither of them can initiate a video chat with the other. All three Macbooks seem to have the same preferences etc.
Solution?
Thanks.

Hi,
How are the ports opened in the Connection device (modems and routers) at each end ?
Sometimes two modems don't like the way the other does NAT
http://www.ralphjohnsuk.dsl.pipex.com/page15.html#CertainBuddy
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Ok,
In the Netopia turn the Firewall to Off as the settings LOw and above have some of the features I was talking about (DOS and SPI protection and Ping Blocking.)
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I would also check for the features or the wording of any firewall before resorting to setting the Port Forwarding.
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"Michael Fesser" <[email protected]> wrote in message
news:[email protected]..
> .oO(Mark A. Boyd)
>
>>Strange. I don't think I've ever seen these headers
before:
>>
>>
http://www.vilverset.com/tn_posters.html
>>POST /tn_posters.html HTTP/1.1
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>>PROPPATCH, MKCOL, COPY, MOVE, LOCK, UNLOCK
>>
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>
> I consider it a script problem. Why does it send a POST
request instead
> of GET? IMHO the server's response is correct, because
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That's what I told a helper friend of mine, but he told me
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Did someone help you today? Press the star on the left to thank them with a Kudo!
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Outgoing server works for one user not for other

Hi,
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Yes I am certain the authentication is correct. When trying to send a message out Mail gives a message saying my "SMTP server does not support authentication".
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Capturing webcam works on one computer, not the other.

Step 1 - I did all the JMF stuff and got the JMStudio working on my laptop that has a built in webcam.
Step 2 - I went into the JMF Registry, pulled out the video capture device (vfw:Microsoft WDM Image Capture (Win32):0) and edited it into the SwingCapture application posted below and got the custom application working flawless.
Step 3 - Everything worked perfect so I loaded all the JMF/Eclipse stuff onto my uncle's laptop and plugged in his Panasonic PV-GS120 handheld video camera that also has webcam drivers.
Step 4 - Got the JMStudio working perfect with this webcam device and all is well.
Step 5 - Copied over my modified application (SwingCapture) and pulled the appropriate capture device (vfw:Microsoft WDM Image Capture (Win32):1) from JMF Registry and edited it into the right spot in the application.
Step 6 - Tried to run the application and got the following error:
java.io.IOException: Could not connect to capture device
java.io.IOException: Could not connect to capture device
javax.media.NoPlayerException: Error instantiating class: com.sun.media.protocol.vfw.DataSource : java.io.IOException: Could not connect to capture device
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     at javax.media.Manager.createPlayer(Manager.java:417)
     at javax.media.Manager.createRealizedPlayer(Manager.java:553)
     at SwingCapture1.<init>(SwingCapture1.java:58)
     at Runner.main(Runner.java:17)SwingCapture1 Code:
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
import javax.media.*;
import javax.media.control.FrameGrabbingControl;
import javax.media.format.VideoFormat;
import javax.media.util.BufferToImage;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.io.FileOutputStream;
import java.util.Timer;
import java.util.TimerTask;
public class SwingCapture1 extends Panel implements Runnable, ActionListener
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     public MediaLocator ml = null;
     public JButton capture = null;
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     public JTextField frequencyInputField = new JTextField(10);
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     static String filePrefix = "";
     static String imagesDirectory = "c:\\images\\";
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     Toolkit toolkit;
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//          setSize(640, 480);
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          ml = new MediaLocator(str);
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               player = Manager.createRealizedPlayer(ml);
               System.out.println("TEST2");
               player.start();
               Component comp;
               if ((comp = player.getVisualComponent()) != null)
                    add(comp, BorderLayout.LINE_START);
//               add(capture);
               add(imgpanel, BorderLayout.LINE_END);
               add(southPanel, BorderLayout.SOUTH);
               southPanel.add(frequencyLabel);
               southPanel.add(frequencyInputField);
               southPanel.add(capture);
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               e.printStackTrace();
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          player.close();
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          saveJPG(img, imagesDirectory + filePrefix + i + ".jpg");
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          final BufferedImage bi = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_RGB);
          final Graphics2D g2 = bi.createGraphics();
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          FileOutputStream out = null;
          try
               out = new FileOutputStream(s);
          catch (final java.io.FileNotFoundException io)
               System.out.println("ERROR 2");
               System.out.println("File Not Found");
          final JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
          final JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
          param.setQuality(0.5f, false);
          encoder.setJPEGEncodeParam(param);
          try
               encoder.encode(bi);
               out.close();
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               System.out.println("ERROR 3");
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          if (capThread == null)
               capThread = new Thread(this, "Capture Thread");
               capThread.start();
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          // Grab a frame
          final FrameGrabbingControl fgc = (FrameGrabbingControl)
          player.getControl("javax.media.control.FrameGrabbingControl");
          buf = fgc.grabFrame();
          // Convert it to an image
          btoi = new BufferToImage((VideoFormat)buf.getFormat());
          return btoi.createImage(buf);
     public void run()
          try
//               Image img = getFrameImage();
               System.out.println("SNAPPER");
               //do something with the image here
               snapPicture();
               Thread.sleep(1000);
          catch (final InterruptedException iex)
               System.out.println("ERROR 5");
} Edited by: DeX on Mar 21, 2008 3:28 PM

You probably have manually installed JMF on the other system, and you have not placed JMF native system libraries in OS Path.
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Has anyone come across the following?
First, clarification: The environments, though physically different are essentially the same. same os, libs, version of java, application server, etc. The difference is the one in which it works is at my workstation, and where it doesn't is our lab. All the simple explanations have been investigated (no view private files being picked up vs version controlled, library versions, etc).
I don't believe I even need to explain the functionality. Basically:
<xsl:template match="/name1/name2">
works (ie matches the node) at my desk while it doesn't in the lab.
Everything else is the same. The xslt executes in the lab. There are no exceptions. Debug statements verify the xml being parsed is the one being processed. But this template is never invoked, so it falls back to the
<xsl:template match ="@*|node()">
template.
I checked the System.property javax.xml.transform.TransformerFactory to see if maybe they had a different implementation than at my workstation, but the value was the same; no value, which means we are both running the default transformer. We are also running the same java (1.5.0_06_b05).
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Ok, I found the difference that is causing the xslt not to work. But this just makes it more confusing. The scenario where it DOESN'T work seems as if it should, and the scenario in which id DOES work seems as if it shouldn't!! Is there anyone who might be able to explain the behavior.
First, the xslt's. In both environments they are exactly the same. Both have a default namespace defined: ie xmlns="some uri A"
In Environment 1
There is no default namespace defined in the xml; that is there is no xmlns="any uri". However, there is a prefix defined
xmlns:xis="some uri A"
(note, "some uri A" points to one of our own defined schemas and is the same in both the xslt and xml)
In Environment 2
There is a default namespace defined in the xml exactly as is defined in the xslt.
So, when an xml document comes in that has
<abc>
<def/>
</abc>
And the template is
<xsl:template match="/abc/def">
I would think that environment 1 wouldn't match, because there is no default namespace defined, but the template does define a default namespace, "some uri A" which I think is applied to the /abc/def. But this is the case that works. I'd expect to have to use <xsl:template match="xis:/abc/def">
I'd also think that environment 2 would match, because the xml and xslt both define the same default namespace, so /abc/def means /abc/def, but this is the case where it doesn't work.
Can anyone set me straight on what is going on here? Sorry I don't cut and paste the source, but I can't. It's really this simple. In environment 1, if I remove the xis from the namespace definition in the xml, it "breaks" and works the same as in environment 2.

Video chat works to one person, not to other

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