Official Blog for Open-Source Web-Conferencing OpenMeetings
Below are some tips about the resolving browser problems.
I investigated a problem in Mozilla FireFox, however some useful info for Google Chrome is also added here
Recently we have integrated our demo server with Asterisk and now it's possible to call to demo room from SIP phone installed on your mobile device.
We mostly deal with Linphone, however you can try any other SIP phone for this.
To try SIP integration with OpenMeetings you would need: