Changes since: PhoneBOX (General) 3.5.1.9
NEW - Implement REST API licensing
FIX - Calling back a call marked as Flagged should mark new call as Ready
FIX - Build with IS2016 SP2 to solve Win 7 install issues
FIX - Rebuild for new client
FIX - Prevent CallStateChanged and PhonecallPersonRecordChanged messages being sent to clients unless necessary
FIX - dial from handset could cause stuck call if call fails
FIX - Calling back a call marked as Flagged should mark new call as Ready
FIX - Build with IS2016 SP2 to solve Win 7 install issues
FIX - Rebuild for new client
FIX - Prevent CallStateChanged and PhonecallPersonRecordChanged messages being sent to clients unless necessary
FIX - dial from handset could cause stuck call if call fails
