Do you have ubuntu-restricted-extras installed? if not, install it googling suggests some codecs are missing
-- Can't establish audio or video calls https://bugs.launchpad.net/bugs/608515 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
