Changes 1.2101.2 ChangesVersion Changes2.0 A new version of the communicator firmware released in April 2007. Marking:FW:07-02-22 New voice functions – new parameters 974, 976 and 977 Dual tone detection New factory setting for parameter 951 Vandal resistant assortment upgraded3.0 New firmware version released in march 2011. Marking: FW:11.02.02 Detection of all dual tones - new parameter 946 New parameter 975 – extended message options for automaticcalls New function 995 – software version identification Language selection: English, German, Portuguese, Dutch Programming: Cancelling by # is possible in any state