Support DSS keys defined as multi line with screen display, or used as SIP line Keys
Support Key event (Auto Redial On, Auto Redial Off ,Call Back ,Call Forward ,DND, Flash, Headset, History, Hot Desking, Hold ,Join Lock, Memo, MWI, Phonebook , Pickup, Prefix, Redial, Release
Support Config the url of remote phonebook
Support Dual color Led indicator (Red Green)
26 DSS Keys
Support Max.5 panels connection (130 DSS)
Power saving
More than one panel, it should power by 5V 1A adaptor.
