Changes

[https://freeswitch.com/ FreeSWITCH] is a voice service that can be used with [http://opensimulator.org/wiki/Main_Page Opensimulator]. Until recently it has been a little-used option; however, with the announcement that Vivox support for opensimulator is coming to an end, it is one of the alternative options. There is a [http://opensimulator.org/wiki/Freeswitch FreeSwitch page] on the [http://opensimulator.org/wiki/Main_Page Opensimulator Wiki]; unfortunately is it not particularly detailed in some areas.