Hi<br><br>I have done the following in class derived from H323EndPoint<br>this->AddAllCapabilities(0, 0, "*");<br>this->AddAllExtendedVideoCapabilities(0,P_MAX_INDEX);<br><br>Then during call I called<br>H323Connection::OpenExtendedVideoSession( unsigned role,H323ChannelNumber &) 
<br>in H323EndPoin::OnConnectionEstablished()<br><br>In OpenExtendedVideoSession()<br>it breaks without opening extended video channel <br>because the check <br>(remoteCapability != NULL) fails.<br><br>I am trying to connect my application with Polycom PVX with H239 content enabled 
<br><br>I couldn't find H239 sample on CVS on sourceforge.<br>Please help. <br><br>