General
Product type
Cordless VoIP telephone
Integrated components
Bluetooth interface
Total number of wireless handsets
1
With handset name
Yealink W78H
With base station name
Yealink W70B
Housing color
Black, Classic Gray
Phone Features
Cordless Phone Standard
DECT
Wireless interface prepared
Bluetooth
Transmission band
1900 MHz
Call services
Voice mail, caller ID, call waiting, call forwarding, call transfer, hold
Max. supported handsets
10
Max. operating distance between handsets
50 m
Max. handset distance (outdoors)
300 m
Position of the selector
Handset
Conference-capable
Three-way
Displays
Power indicator, message waiting indicator, registration LED indicator, network status LED indicator
Additional functions
Speed dial memory, redial, mute, vibrate alert, on-hold music, eco mode, HD Voice, Do Not Disturb (DND), FNR (Flexible Noise Reduction), no-movement alert, OTA upgrade (over the air), quick-charging function, ECO Mode+, keypad lock, up to 20 concurrent calls, Shared call appearance (SCA), man-down alarm, walk-detection, noise cancellation
IP telephony
Key Features
Support for a wide range of VoIP protocols
VoIP protocols
SIP, SIP v2, RTCP-XR, VQ-RTCPXR
Voice codecs
G.722, G.729, G.729a, G.726, iLBC, Opus, PCMA, PCMU
Quality of Service
IEEE 802.1Q (VLAN), IEEE 802.1p
IP address assignment
DHCP, static
Security
IEEE 802.1X, TLS, SRTP, AES
Power Over Ethernet (PoE) support
Yes
Network protocols
TCP, TFTP, UDP, HTTP, HTTPS, SRTP, FTP, TLS, RPS
No. of network ports
1 x Ethernet 10/100Base-TX
Voice features
Comfort Noise Generation (CNG), Voice Activity Detection (VAD), Acoustic Echo Cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC), shared call appearance (SCA)
Network features
Network Address Translation (NAT), Lightweight Directory Access Protocol (LDAP), Class 1 PoE, STUN
Phone memory
Phonebook capacity
1000 names and numbers
Memory for dialed numbers
100
Display
Diagonal measurement
6.1 cm (2.4")
Screen resolution
240 x 320 pixels
Miscellaneous
Connections
Headset jack / mini-phone 3.5 mm
Hearing aid compatible
Yes
Placement/mounting
Wall-mountable, table-top
Cables included
Ethernet cable
Accessories included
Belt clip, 2 AC adapters, base stand, USB charging cradle, decorative cover
Battery
Technology
Rechargeable - lithium-ion
Talk time
Up to 1,260 min.
Dimensions & weight (base)
Dimensions & weight (handset)
German
