Content
C448HD C450HD | Users & Administrator's Manual
Table of Contents
1 Overview 1
Specifications 1
Allowing URLs, Ports (Security) 4
Security Guidelines for Android-based Native Teams Devices 5
Android-Level Security Hardening 6
Google Play Services 6
Running Android in Kiosk Mode 6
Screen Lock 7
AudioCodes Private Key 7
Android Debug Bridge (ADB) 7
App Signing 7
Web Browser 7
Remote Configuration Management 8
AudioCodes Device Manager Validation 8
Sandboxing 8
Device File System 8
Keystore 8
Device Certificate 8
Data Protection 9
Debugging Interface 9
SSH Access: Reduced File System Privileges 9
Android Security Updates 9
Upgrading from Android 7 to Android 9 security patch level dated April 5, 2021 10
AudioCodes Root CA Certificate 10
2 Setting up the Phone 13
Unpacking 13
Device Description 14
Front View 14
Rear View 16
Cabling 17
Mounting the Phone 17
Desktop Mounting 17
Wall Mounting 17
Installing the Expansion Module (Sidecar) 18
Before Using AudioCodes Devices 19
3 Starting up 20
Configuring Device Settings 20
Configuring Wi-Fi 34
Restoring the Phone to Default Settings 36
Performing a Hard Restore 36
Performing a Soft Restore 36
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