AudioCodes C455HD

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CHAPTER7 Troubleshooting

C455HD | Users & Administrator's Manual

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Main Page

Table of Contents4
Overview8
Specifications8
Allowing Urls, Ports (Security)11
Security Guidelines for Android-Based Native Teams Devices12
Android-Level Security Hardening12
Google Play Services13
Running Android in Kiosk Mode13
Screen Lock14
Audiocodes Private Key14
Android Debug Bridge (ADB)14
App Signing14
Web Browser14
Remote Configuration Management14
Audiocodes Device Manager Validation15
Sandboxing15
Device File System15
Keystore15
Device Certificate15
Data Protection16
Debugging Interface16
SSH Access: Reduced File System Privileges16
Android Security Updates16
Audiocodes Root CA Certificate16
Setting up the Phone19
Unpacking19
Device Description20
Front View20
Rear View23
Cabling24
Mounting the Phone24
Desktop Mounting24
Wall Mounting24
Installing the Expansion Module (Sidecar)25
Before Using Audiocodes Devices26
Starting up27
Configuring Device Settings27
Configuring Wi-Fi41
Connecting to an Available Wi-Fi Network41
Manually Connecting to a Wi-Fi Network42
Restoring the Phone to Default Settings45
Performing a Hard Restore46
Performing a Soft Restore46
Recovery Mode47
Locking and Unlocking the Phone47
Automatic Lock47
Unlock47
Teams Application49
Signing in49
Multi-Cloud Sign-In53
Remote Provisioning and Sign-In from Teams Admin Center54
Getting Acquainted with the Phone Screen58
Enabling Google Talkback60
Opting in or out of Call Queues61
Setting Status61
Hot Desking62
Changing Presence Status63
Power Saving64
Enabling Voicemail Support on CAP Users65
Configuring Teams Application Settings66
Setting up a Meeting69
Using the People Screen70
Accessing Voicemail70
Using Audio Devices71
Transferring Calls and Meetings Across Devices71
Signing out71
Performing Teams Call Operations74
Making a Call74
Microsoft Lightweight Calling Experience75
Redialing75
Dialing a Missed Call75
Select to Dial75
Making an Emergency Call75
Answering Calls77
Ending an Established Call77
Managing Calls77
Parking a Call77
Managing Teams Meetings78
Using Live Captions80
Raising a Hand During a Meeting81
Hiding Names and Meeting Titles for Individual Devices81
Transferring a Call to Frequent Contacts81
Transferring a Call to Work Voicemail81
Viewing and Playing Voicemail Messages82
Rejecting an Incoming Call, Sending It Directly to Voicemail82
Adjusting Volume82
Adjusting Ring Volume83
Adjusting Tones Volume83
Adjusting Handset Volume83
Adjusting Speaker Volume83
Adjusting Headset Volume83
Playing Incoming Call Ringing through USB Headset84
Using the Phone as a USB Speaker84
Viewing and Joining Meetings84
Better Together over Bluetooth85
Adding a Speed Dial88
Performing Administrator-Related Operations91
Setting up Automatic Provisioning91
Setting up an E911 Emergency Location Using TAC92
Updating Phone Firmware Manually98
Loading Certificates to Phones100
Audiocodes Android Phone Utility100
Certificate Enrollment Using SCEP102
Manually Performing Recovery Operations104
Removing Devices from Intune Management105
Configuring Audio-Related Parameters for Noisy Environments111
Updating Microsoft Teams Devices Remotely112
Applying Firmware to a Phone from a USB Disk112
Enabling a Phone to be Used as an Audio Device112
Managing Phones with the Device Manager113
Configuring a Periodic Provisioning Cycle114
Configuring Timezone and Daylight Savings115
Managing Devices with HTTPS116
Supported Parameters116
Troubleshooting118
Dscp118
Users119
Network Administrators120
Android Phone Utility120
Capturing the Phone & Sidecar Screen122
Running Tcpdump123
Getting Information about Phones124
Remote Logging (Syslog)126
Getting Diagnostics127
Getting Logs129
Activating DSP Recording130
Deactivating DSP Recording131
Ssh132
Getting the Phone IP Address132
Installing the APK Using SSH133
Updating Phones Using SSH Commands133
Microsoft Teams Admin Center134
Collecting Logs134
Getting Audio Debug Recording Logs137
Collecting Media Logs (*.Blog) from the Phone138
Capturing Traffic Using 'Rpcapd138
Port Mirroring Network Monitoring139

AudioCodes C455HD - Page 140

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