FEATURES MAINTENANCE - Support DTMF - Upgrade firmware through HTTP - Support BLF List Key - Support Speed Dial,MWI,Call park - 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 -
