Yealink W77P Cordless DECT IP Phone and Base Station,IP DECT Phone bundle W57R with W70B

High-performance SIP cordless phone system 1.8" 128 x 160 TFT color screen with intuitive user interface Ruggedized DECT handset with IP54 protection rating Up to 20 simultaneous calls Up to 10 DECT cordless handsets Up to 10 SIP accounts Support Opus audio codec Noise Reduction System FNR (Flexible Noise Reduction)/Noise Cancellation Up to 40-hour talk time Up to 575-hour standby time Quick charge: 10-minute charging time for 2-hour talk time TLS and SRTP security encryption Vibration alarm guarantees you not to miss any call even in noisy situations Wall mountable charger