Added exit into RAM after each call.
Merge branch 'ptics_live' of github.com:UFAL-DSG/alex into ptics_live
Limited use of VOIP in VHUB.
Update
Added multiple lines capability to live Alex.
Added multiple lines capability to live Alex.
Merge branch 'master' into ptics_live
Merge branch 'ptics_live'
Untill we fix trainable SLU, the HDC sSLU will be default.