Call management
Number of parallel conferences	3
Conference call
Anonymous call
Anonymous call rejection
Call waiting
Call forwarding
Call transfer
Call hold
Do not disturb function
Design
Product colour	White
Logistics data
Harmonized System (HS) code	85177900
Performance
Number of handsets supported (max)	30
Frequency range	1.8 - 1.9 GHz
Maximum range	300 m
CAT-iq	2.0
Number of VoIP accounts	100
Supported network protocols	SNTP/NTP, VLAN, SIP v1, SIP v2, UDP/TCP/TLS, DHCP
Security algorithms	HTTPS, SHA-256, SRTP, SSL/TLS
Voice codecs	AJB, CNG, G.726, G.729, PLC, VAD, iLBC
Compatible products	Yealink W53H/W56H
Voice activity detection
Comfort noise generation (CNG)
Automatic gain control
Ports & interfaces
Ethernet LAN (RJ-45) ports	1
Ethernet LAN
Power
Input voltage	100 - 240 V
Power over Ethernet (PoE)
Weight & dimensions
Dimensions (WxDxH)	130 x 100 x 25.1 mm
Weight	2.56 kg
Package width	174 mm
Package depth	180 mm
Package height	63 mm
Package weight	3.13 kg

DECT Base ONLY - Needs W80DM Up to 100 parallel calls Up to 30 base stations Up to 100 handsets Up to 100 SIP accounts Support LDAP/Remote Phonebook Support Xsi Directory Support Opus Support PoE Compatible with Yealink W56H/W53H (version x.83.0.20 or later)