FW 2.8.3 for 2N® Lift8 and 2N® LiftIP 
Lift8
• Service Tool is now available in eight languages (CZE, ENG, ESP, GER, FRA, ITA, RU, POL)
• All audio units has increased stability and resistance to interference (up to 8 audio units)
• Identification of lift shaft in alarm call by voice message - at the beginning of an alarm call, the 2N Lift8 itself tells from which shaft the call is coming (new parameter 972)
• Support of self-test button - a special alarm button with an input. 2N Lift8 can activate this button (virtually press it) and then checks if it has received an input from the button.
• Fireman - call activation based on external input from the lift controller
• Support of a new type of the shaft audio unit - looks like a car unit, but works like a machine room unit 
LiftIP
• Service Tool is now available in eight languages (CZE, ENG, ESP, GER, FRA, ITA, RU, POL)
• Increased stability of external camera connection and real-time image transmission quality
• Extending the communicator's PoE power supply capabilities
Other improvements related to the supporting software tools
• Windows 10 – fully supported and recommended OS, new modern frontend
• .Net framework 4.7.2 - security and system stability improvement
• Openssl latest current version - security and system stability improvement, certificates, secured communication and database
• Curl latest current version - security improvement
• Pjsip latest current version - bug fixing (including above mentioned), security improvement

FW 2.8.3 for 2N Call Center SW 

Call Center – Communicator, Call Center – ControlPanel, Call Center – Server
• Communicator – during the call, the admin will be able to see the building plan or another image that he saves there.
• Server – SIP stack supports special characters in the password for SIP registration
• Server – allows you to send notification to email/emails about alarm calls
Other improvements related to the software
• Windows 10 – fully supported and recommended OS, new modern frontend
• .Net framework 4.7.2 - security and system stability improvement
• Openssl latest current version - security and system stability improvement, certificates, secured communication and database
• Curl latest current version - security improvement
• Pjsip latest current version - bug fixing (including above mentioned), security improvement