AudioCodes C455HD User Manual

Content
C455HD | Users & Administrator's Manual
Performing a Soft Restore 39
Recovery Mode 40
Locking and Unlocking the Phone 40
Automatic Lock 40
Unlock 40
4 Teams Application 42
Signing In 42
Multi-Cloud Sign-in 46
Remote Provisioning and Sign-in from Teams Admin Center 47
Getting Acquainted with the Phone Screen 51
Enabling Google Talkback 53
Opting in or out of Call Queues 54
Setting Status 54
Hot Desking 55
Changing Presence Status 56
Power Saving 57
Enabling Voicemail Support on CAP Users 58
Configuring Teams Application Settings 59
Setting up a Meeting 62
Using the People Screen 63
Accessing Voicemail 63
Using Audio Devices 64
Transferring Calls and Meetings across Devices 64
Signing Out 64
5 Performing Teams Call Operations 67
Making a Call 67
Microsoft Lightweight Calling Experience 68
Redialing 68
Dialing a Missed Call 68
Select to Dial 68
Making an Emergency Call 68
Answering Calls 70
Ending an Established Call 70
Managing Calls 70
Parking a Call 70
Managing Teams Meetings 71
Using Live Captions 73
Raising a Hand During a Meeting 74
Hiding Names and Meeting Titles for Individual Devices 74
Transferring a Call to Frequent Contacts 74
Transferring a Call to Work Voicemail 74
Viewing and Playing Voicemail Messages 75
Rejecting an Incoming Call, Sending it Directly to Voicemail 75
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AudioCodes C455HD Specifications

General

Full duplex	Yes
Lines quantity	8 lines
Phonebook capacity	- entries
Number of VoIP accounts	-
RJ-9 ports quantity	1
WAN connection type	RJ-45
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Ethernet LAN (RJ-45) ports	2
Voice codecs	G.711Mu, G.711a, G.722, G.729A, G.729B, OPUS
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.2
Security algorithms	HTTPS, SRTP, SSL/TLS
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
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
Master (outer) case width	579 mm
Master (outer) case height	291 mm
Master (outer) case length	467 mm
Master (outer) case weight	14500 g
Display diagonal	5 \
Display resolution	1280 x 720 pixels
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	12 V
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Sustainability certificates	Federal Communications Commission (FCC), Trade Agreements Act (TAA)
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Volume control	Buttons
Number of programmable keys	8
Operating system version	9
Operating system installed	Android
Dual-Tone Multi-Frequency (DTMF) modes	SIP info
Storage temperature (T-T)	-20 - 70 °C
Operating temperature (T-T)	0 - 40 °C

Weight and Dimensions

Depth	200 mm
Width	236 mm
Height	165.9 mm
Weight	988 g
Height (max)	195 mm
Height (min)	170 mm
Package depth	245 mm
Package width	280 mm
Package height	110 mm
Package weight	1548 g