Simple PTT: added vox system
Implements #1002
Other changes and fixes
- Fix FileInput API report of absolute time following PR #981. PR #1094
- Support compilation with Boost >= 1.77. Fix for #1087. PR #1092
- Fixed some compiler warnings with Qt 5.15 and GCC 11
Binary artifacts
For more details on artifacts and their contents please read the quick start in the Wiki.
Note that Ubuntu .deb package is for 20.04. Please note that since v6.2.0 SSE 4.2 is required. It has been intended to be like that for a long time but was not effective until this release