The AudioCodes Microsoft Teams-native C455HD IP phone is a feature-rich, executive high-end business phone, packed with the latest technology for delivering a seamless Microsoft Teams experience every time.The C455HD is equipped with a large and intuitive 5” color touch screen for exceptional ease-of-use, while stunning HD sound quality ensures that every conversation is productive – and then some. This device is also available as the C455HD‑DBW, complete with a 5” color touch expansion module that really brings your Microsoft Teams meetings to life, as well as dual band Wi‑Fi and Bluetooth for wireless headsets.
Design |
Wall mountable |
Yes |
Product colour |
Black |
Handset type |
Wired handset |
Product type |
IP Phone |
Performance |
Dual-Tone Multi-Frequency (DTMF) modes |
SIP info |
Operating system version |
9 |
Operating system installed |
Android |
Phone features |
Caller ID |
Yes |
Call pick up |
Yes |
Call waiting |
Yes |
Speed dialling |
Yes |
Call hold |
Yes |
Call forwarding |
Yes |
Conference call |
Yes |
Redialing |
Yes |
Do not disturb function |
Yes |
Message-waiting indicator (MWI) |
Yes |
Full duplex |
Yes |
Call transfer |
Yes |
Call park |
Yes |
Answering machine |
Yes |
Lines quantity |
8 lines |
Management features |
Firmware upgradeable |
Yes |
Number of programmable keys |
8 |
Volume control |
Buttons |
Integrated voicemail |
Yes |
Display |
Touchscreen |
Yes |
Display resolution |
1280 x 720 pixels |
Display diagonal |
12.7 cm (5") |
Display |
TFT |
Audio |
Voice activity detection |
Yes |
Adaptive jitter buffers |
Yes |
Packet loss concealment (PLC) |
Yes |
Voice codecs |
G.711Mu, G.711a, G.722, G.729A, G.729B, OPUS |
Echo cancellation |
Yes |
Microphone mute |
Yes |
Speakerphone |
Yes |
Network |
Supported network protocols |
IPv4, TCP, UDP, ICMP, ARP, RTP, SRTP, RTCP-XR, 802.1x, IP/DHCP IP, IEEE 802.1p/Q, QoS/ToS, HTTP/HTTPS/DHCP, NTP, FTP/TFTP, CDP/LLDP VLAN, LDAP |
Quality of Service (QoS) support |
Yes |
Security algorithms |
HTTPS, SRTP, SSL/TLS |
Networking standards |
IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af |
Bluetooth |
No |
Wi-Fi |
No |
Ethernet LAN interface type |
Gigabit Ethernet |
Ethernet LAN data rates |
10,100,1000 Mbit/s |
Ethernet LAN |
Yes |
Ports & interfaces |
Ethernet LAN (RJ-45) ports |
2 |
RJ-9 ports quantity |
1 |
DC-in jack |
Yes |
Cable lock slot |
Yes |
WAN connection type |
RJ-45 |
USB 2.0 ports quantity |
2 |
Certificates |
Sustainability compliance |
Yes |
Compliance certificates |
CE, Federal Communications Commission (FCC) |
Power |
AC adapter output current |
2 A |
AC adapter output voltage |
12 V |
AC adapter input voltage |
100 - 240 V |
Power over Ethernet (PoE) |
Yes |
Operational conditions |
Operating temperature (T-T) |
0 - 40 °C |
Storage temperature (T-T) |
-20 - 70 °C |
Weight & dimensions |
Package weight |
1.55 kg |
Package height |
110 mm |
Package depth |
245 mm |
Package width |
280 mm |
Height (min) |
17 cm |
Height (max) |
19.5 cm |
Weight |
988 g |
Height |
165.9 mm |
Depth |
200 mm |
Width |
236 mm |
Packaging content |
Number of handles included |
1 pc(s) |
Manual |
Yes |
Cables included |
LAN (RJ-45) |
Logistics data |
Master (outer) case gross weight |
14.5 kg |
Master (outer) case length |
467 mm |
Master (outer) case width |
579 mm |
Master (outer) case height |
291 mm |