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AudioCodes C455HD Series User Manual

AudioCodes C455HD Series
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CHAPTER7 Troubleshooting
C455HD | Users & Administrator's Manual
To activate DSP recording using SSH protocol without the Teams IP Phone Utility, type
the following at the shell prompt:
setprop ac.dr_voice_enable true
setprop ac.dr_ipaddr <ip_address>
setprop ac.dr_port 50000
DSP recording can be activated on the fly without requiring the network administrator
to reset the phone.
Deactivating DSP Recording
NetworkadministratorscandeactivateDSPrecordingusingAudioCodes'SSHprotocolbased
TeamsIPPhoneUtility.
SSH is by default disabled and can be enabled with Administrator permissions in the
phone screen (Device Administration > Debugging > SSH).
To deactivate DSP Recording:
1. IntheAudioCodesTeamsIPPhoneUtility(seeTeamsIPPhoneUtilityonpage94formore
information),clickStop DSP Record afteraperiodofrecording(seeActivatingDSP
RecordingonthepreviouspageforinformationonhowtostartDSPrecording.
2. ViewinthePCFolderyouconfiguredtheDSPrecording.
Network administrators can alternatively deactivate a DSP recording using SSH pro-
tocol without the Teams IP Phone Utility, as shown next.
To deactivate DSP recording using SSH protocol without the Teams IP Phone Utility, type
the following at the shell prompt:
setprop ac.dr_voice_enable false
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AudioCodes C455HD Series Specifications

General IconGeneral
SIP AccountsUp to 16
Wall MountableYes
ConnectivityEthernet (10/100/1000 Mbps)
BluetoothBluetooth 5.0
USB Ports2 x USB 2.0
Headset SupportYes, RJ-9 and USB
PowerPoE (802.3af) or AC adapter
AudioHD voice, Acoustic echo cancellation, Background noise suppression
CodecsG.711, G.722, Opus
Operating SystemAndroid based
Supported ProtocolsSIP, RTP, SRTP, HTTP, HTTPS, TLS, DHCP, DNS, TFTP
Supported LanguagesMultilingual support
Weight900g

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