Yealink W76P - IP DECT Phone Bundle W56H with W70 BaseHigh performance SIP cordless phone system 2. 4 240 x 320 color screen with intuitive user interface Up to 20 simultaneous calls Up to 10 VoIP accounts Up to 30 hour talk time (in ideal conditions) Up to 400 hour standby time (in ideal conditions) Quick charging: 10 min charge time for 2 hour talk time TLS and SRTP security encryption Noise Reduction System Headset connection via 3. 5 mm jack DECT radio coverage up to 50m indoors and 300m outdoors