400HD Series IP Phones for Teams
Version 2.3.410 10 Document #: LTRT-08641
Applicable to
part number C455HD-DBW:
• Integrated Bluetooth and Wi-Fi (contact your local AudioCodes representative for
more information about regional availability of Wi-Fi / Bluetooth)
• Optional Expansion Module support with a graphical 5” color capacitive touch
screen, 480 X 854 resolution (the Expansion Module is purchased separately)
1.1.4 About the C435HD IP Phone
The AudioCodes C435HD IP phones are Microsoft Teams-native entry level/common area
phones designed to support the next generation of enterprise collaboration technologies with
a large color LCD screen and full UC integration for the Native Microsoft Teams Online
market.
Feature highlights:
Full duplex speakerphone and headset connectivity
Color Screen 4.3": Graphic, 480x272 resolution, with multi-lingual support
Multi-lingual support
Full duplex speakerphone and headset connectivity
Dual GbE support
USB headset support
PoE or external power supply
1.2 Specifications
The table below summarizes the software specifications of the C470HD and C455HD IP
Phones for Microsoft Teams.
Table 1-1: Software Specifications
Feature Details
Media Processing Voice Coders: G.711, G.729, G.722, SILK Opus
Acoustic Echo Cancelation: G.168-2004 compliant, 64-msec
tail length
Adaptive Jitter Buffer
Voice Activity Detection
Comfort Noise Generation
Packet Lost Concealment
RTP/RTCP Packetization (RFC 3550, RFC 3551), SRTP
(RFC 3711)
Microsoft Teams phones
feature set
For a summarized list of features, see here.
In addition, the phones feature the following:
Sign-in with Modern Authentication, IP phone policies
(including sign-in as Common Area Phone (CAP)),
lock/unlock phone, unlock with smart PIN, 802.1x
Authentication, SSH access, HTTPS Proxy Server,
LLDP/CDP
Incoming/outgoing P2P calls, PSTN calls, Regional Tone
Settings, in-call controls via phone screen (mute,
hold/resume, transfer, transfer to contacts, call park, call
merge, end call, auto dismiss rate my call and call ended
screens, Group Call Pickup), auto-dialing to call an
extension, distinctive ringtone per call type, People app,
add/remove ‘Favorites’, Delegates, E911, Visual Voicemail