AudioCodes C455HD Series

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CHAPTER7 Troubleshooting

C455HD | Users & Administrator's Manual

2. Inthe'TeamsIP-PhoneAddress'field,entertheIPaddressofthedevice(getitbypressing

theMENUhardkey>About phone>Status > IP Address).

3. ClickSSH Connect;aconnectionwiththedeviceisestablished.

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Main Page

Table of Contents4
Overview7
Specifications7
Allowing Urls, Ports (Security)10
Security Guidelines for Android-Based Native Teams Devices11
Android-Level Security Hardening12
Google Play Services12
Running Android in Kiosk Mode12
Screen Lock13
Audiocodes Private Key13
Android Debug Bridge (ADB)13
App Signing13
Web Browser13
Remote Configuration Management13
Audiocodes Device Manager Validation14
Sandboxing14
Device File System14
Keystore14
Device Certificate14
Data Protection15
Debugging Interface15
Android Security Updates15
Audiocodes Root CA Certificate15
Setting up the Phone18
Unpacking18
Device Description19
Front View19
Rear View22
Cabling23
Mounting the Phone23
Desktop Mounting23
Wall Mounting23
Installing the Expansion Module (Sidecar)24
Before Using Audiocodes Devices25
Starting up26
Configuring Device Settings26
Configuring Wi-Fi39
Restoring the Phone to Default Settings40
Performing a Hard Restore41
Performing a Soft Restore41
Recovery Mode42
Locking and Unlocking the Phone42
Automatic Lock42
Unlock42
Teams Application44
Signing in44
Multi-Cloud Sign-In48
Remote Provisioning and Sign-In from Teams Admin Center49
Getting Acquainted with the Phone Screen53
Enabling Google Talkback55
Opting in or out of Call Queues56
Setting Status56
Hot Desking57
Changing Presence Status58
Configuring Teams Application Settings59
Setting up a Meeting62
Using the People Screen63
Accessing Voicemail64
Using Audio Devices64
Transferring Calls and Meetings Across Devices65
Signing out65
Performing Teams Call Operations67
Making a Call67
Redialing68
Dialing a Missed Call68
Select to Dial68
Making an Emergency Call68
Answering Calls69
Ending an Established Call70
Managing Calls70
Parking a Call70
Managing Teams Meetings71
Using Live Captions73
Raising a Hand During a Meeting74
Hiding Names and Meeting Titles for Individual Devices74
Transferring a Call to Frequent Contacts74
Transferring a Call to Work Voicemail74
Viewing and Playing Voicemail Messages75
Rejecting an Incoming Call, Sending It Directly to Voicemail75
Adjusting Volume75
Adjusting Ring Volume76
Adjusting Tones Volume76
Adjusting Handset Volume76
Adjusting Speaker Volume76
Adjusting Headset Volume76
Playing Incoming Call Ringing through USB Headset77
Using the Phone as a USB Speaker77
Viewing and Joining Meetings77
Adding a Speed Dial78
Performing Administrator-Related Operations81
Updating Phone Firmware Manually81
Downloading 802.1X Certificates83
Audiocodes Teams IP Phone Utility83
Manually Performing Recovery Operations84
Removing Devices from Intune Management85
Updating Microsoft Teams Devices Remotely92
Applying Firmware to a Phone from a USB Disk93
Managing Phones with the Device Manager93
Configuring a Periodic Provisioning Cycle94
Configuring Timezone and Daylight Savings95
Managing Devices with HTTPS96
Supported Parameters96
Troubleshooting98
Dscp98
Users99
Network Administrators100
Teams IP Phone Utility100
Capturing the Phone Screen102
Running Tcpdump104
Getting Information about Phones105
Remote Logging (Syslog)107
Getting Diagnostics108
Getting a Bug Report111
Activating DSP Recording112
Deactivating DSP Recording113
Ssh114
Getting the Phone IP Address114
Installing the Teams APK (or any Other APK) Using SSH114
Microsoft Admin Center115
Collecting Logs115
Getting Company Portal Logs117
Getting Logs Via the Phone117
Getting Logs Using UUID118
Getting Audio Debug Recording Logs120
Collecting Media Logs (*.Blog) from the Phone121
Capturing Traffic Using 'Rpcapd121
Port Mirroring Network Monitoring122

AudioCodes C455HD Series - Page 101

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