Earlier we have used ActiveMq for web-conferencing. Even then we had issues while running the application, but our Java developer was determined and he could able to nullify bugs. I think your problem on ActiveMq can also be resolved. I am also an Indian, so we can discuss this in detail during your ideal time.
Profile: We are techvisakha. Mr. Sesha has more than 14 years of experience in handling large IT projects spanning multiple Industry verticals. Our team has nearly 4 years of experience in building windows and web applications using various technologies like Java, Javascript, HTML5, CSS3, j2ee, spring framework, hibernate,jquery, etc..