Changes since: PhoneBOX (General) 3.8.1.30
NEW - Complete rewrite of SIP audio device handset class
NEW - Prevent router reconcillation from ever removing inputs and outputs automatically
FIX - Early media ReInvites that send Update causing dial failure
FIX - Parking out of conference on VX devices not working
FIX - Direct dialing from handsets not working
FIX - Occasional no audio after transfer immediate between handset devices
