AudioCodes C455HD Series User Manual

CHAPTER6 Performing Administrator-Related Operations
C455HD | Users & Administrator's Manual
Applying Firmware to a Phone from a USB Disk
Forrecoverypurposes,firmwarecanbeappliedtoaphonefromaUSBdisk.
➢ To apply the firmware from the USB disk:
1. Enterrecoverymodebysimultaneouslypressingthe‘back’key+theMENUkey;the
device’sLEDlightsupred.
2. InserttheUSBdiskwiththetargetfirmware.
Figure 6-1: Apply update from a USB disk
3. Selectthe‘ApplyupdatefromUSBdisk’optionandthenchoosethecorrectfirmware
imagefromthedisk.
Managing Phones with the Device Manager
AudioCodes'DeviceManagermanagesAndroid-basedTeamsphonesinasimilarwaytoUC-
typephones.Teamsphones'configurationparametersareinthesameformatasUCphones.A
.cfgconfigurationfileisdefinedforeachdevice.DeviceManagerversion7.8.2000andlater
supportsAndroid-basedTeamsdevices.
ZeroTouchProvisioningissupportedinanon-tenantawaremanner;eachlocalDHCPOption
160mustbeconfiguredwithafully-specifiedURLpointingtodhcpoption160.cfgasshown
here:
Table 6-1: DHCP Option 160 URL
ThisURLisdisplayedintheDeviceManagerpageunderSetup>DHCP Options Configuration.
After devices  are  added  to  the  Device  Manager, they're  allocated  to  tenants  by selecting 
Change Tenant  inthe  ‘Actions’ menu.  Unless already  used, it's  recommended to leave  the
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AudioCodes C455HD Series Specifications

General

SIP Accounts	Up to 16
Wall Mountable	Yes
Connectivity	Ethernet (10/100/1000 Mbps)
Bluetooth	Bluetooth 5.0
USB Ports	2 x USB 2.0
Headset Support	Yes, RJ-9 and USB
Power	PoE (802.3af) or AC adapter
Audio	HD voice, Acoustic echo cancellation, Background noise suppression
Codecs	G.711, G.722, Opus
Operating System	Android based
Supported Protocols	SIP, RTP, SRTP, HTTP, HTTPS, TLS, DHCP, DNS, TFTP
Supported Languages	Multilingual support
Weight	900g