Yes. Google did the original work for Jingle, but passed it to the XSF for standardization. That work has been done for some time and implementations have been appearing in various places.
Even so, I suspect it will be a long time before Skype, Apple, and everyone else does anything but try to set their own standards.
Even so, I suspect it will be a long time before Skype, Apple, and everyone else does anything but try to set their own standards.