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AudioCodes C455HD User Manual

AudioCodes C455HD
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User's and Administrator's Manual
AudioCodes 400HD IP Phone Series
C455HD IP Phone
Microsoft Teams Application
Version 1.19

Table of Contents

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AudioCodes C455HD Specifications

General IconGeneral
Full duplexYes
Lines quantity8 lines
Phonebook capacity- entries
Number of VoIP accounts-
RJ-9 ports quantity1
WAN connection typeRJ-45
USB 2.0 ports quantityUSB 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) ports2
Voice codecsG.711Mu, G.711a, G.722, G.729A, G.729B, OPUS
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version4.2
Security algorithmsHTTPS, SRTP, SSL/TLS
Networking standardsIEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
Supported network protocolsIPv4, 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 width579 mm
Master (outer) case height291 mm
Master (outer) case length467 mm
Master (outer) case weight14500 g
Display diagonal5 \
Display resolution1280 x 720 pixels
AC adapter input voltage100 - 240 V
AC adapter output current2 A
AC adapter output voltage12 V
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Sustainability certificatesFederal Communications Commission (FCC), Trade Agreements Act (TAA)
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Volume controlButtons
Number of programmable keys8
Operating system version9
Operating system installedAndroid
Dual-Tone Multi-Frequency (DTMF) modesSIP info
Storage temperature (T-T)-20 - 70 °C
Operating temperature (T-T)0 - 40 °C
Weight and Dimensions IconWeight and Dimensions
Depth200 mm
Width236 mm
Height165.9 mm
Weight988 g
Height (max)195 mm
Height (min)170 mm
Package depth245 mm
Package width280 mm
Package height110 mm
Package weight1548 g

Summary

Chapter 1 Overview

Specifications

Summarizes the phone's software specifications and features, including media processing and Teams phone capabilities.

Security Guidelines for Android-based Native Teams Devices

Provides security recommendations for Android-based Teams devices, covering authentication and system hardening.

Remote Configuration Management

Outlines the remote interfaces, like Teams Admin Center and Device Manager, for configuration.

Chapter 2 Setting up the Phone

Device Description

Identifies and familiarizes users with the phone's hardware functions through views and tables.

Front View

Details the components and indicators visible on the front of the IP phone.

Rear View

Describes the ports and connectors located on the rear of the phone for connectivity.

Mounting the Phone

Provides instructions for mounting the phone on a desk or wall.

Chapter 3 Starting up

Configuring Device Settings

Guides users through accessing and customizing various phone settings like display, sound, and Wi-Fi.

Restoring the Phone to Default Settings

Explains how to reset the phone to its original factory default settings.

Performing a Hard Restore

Details the procedure for performing a hard reset on the phone.

Chapter 4 Teams Application

Signing In

Instructions for signing into the Microsoft Teams application on the phone.

Configuring Teams Application Settings

Guides users on how to configure various settings within the Teams application.

Setting up a Meeting

Steps for setting up and managing meetings directly from the phone's calendar.

Chapter 5 Performing Teams Call Operations

Making a Call

Instructions for initiating calls through various methods like dial pad or contacts.

Making an Emergency Call

Procedure for making an emergency call from the phone's interface.

Viewing and Playing Voicemail Messages

How to access and listen to voicemail messages on the phone.

Chapter 6 Performing Administrator-Related Operations

Setting up an E911 Emergency Location using TAC

Configuring E911 emergency locations via the Microsoft Teams Admin Center.

Updating Phone Firmware Manually

Steps to manually update the phone's firmware using the Android Phone Utility.

Manually Performing Recovery Operations

Procedures for performing manual recovery operations on AudioCodes devices.

Chapter 7 Troubleshooting

Android Phone Utility

Overview of the utility for network administrators to debug devices via SSH.

Running Tcpdump

Using Tcpdump for packet analysis and debugging network traffic.

SSH

Accessing the phone via SSH for administrative tasks and debugging.

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