Product specifications

420HD IP Phone with Microsoft Lync
Administrator's Manual 4 Document #: LTRT-09930
3.12.1 Using the Encryption Tool........................................................................................ 53
3.12.1.1 Encrypting Configuration Files .................................................................53
3.12.2 Encrypting Passwords in Configuration File ............................................................ 53
3.12.3 Configuring 802.1X .................................................................................................. 54
3.12.3.1 Using the Phone LCD ...............................................................................54
3.12.3.2 Using the Web Interface / Configuration File ...........................................55
3.12.4 Configuring HTTPS .................................................................................................. 58
4 Configuring Automatic Provisioning ............................................................... 59
4.1 Configuring Automatic Provisioning via DHCP ...................................................... 59
4.1.1 Configuring DHCP Option 160 ................................................................................ 63
4.1.2 Configuring DHCP Options 66 and 67 ..................................................................... 63
4.2 Configuring Automatic Provisioning via Static DNS Record .................................. 64
4.3 Configuring Automatic Provisioning via SIP SUBSCRIBE and NOTIFY ................ 66
5 Viewing Status and Monitoring ........................................................................ 69
5.1 Viewing Network Status ......................................................................................... 69
5.1.1 Viewing LAN Status ................................................................................................. 69
5.1.2 Viewing Port Status ................................................................................................. 69
5.1.3 Viewing 802.1X Status ............................................................................................. 69
5.2 Viewing VoIP Status ............................................................................................... 70
5.2.1 Viewing Phone Status .............................................................................................. 70
5.2.2 Viewing Line Status ................................................................................................. 70
5.2.3 Viewing Call Information .......................................................................................... 71
5.3 Viewing Calls History ............................................................................................. 71
5.4 Viewing Phone Model / Firmware Version ............................................................. 72
5.4.1 Viewing from the Web Interface .............................................................................. 72
5.4.2 Viewing from the Phone's LCD ................................................................................ 72
6 Troubleshooting ................................................................................................ 73
6.1 Unable to Sign in to Lync using Username/Password ........................................... 73
6.2 Unable to Authenticate User using PIN .................................................................. 73
6.3 IP Phone Fails Registration Process ...................................................................... 73
6.4 How to Verify CA Certificate is Trusted / Authorized by IP Phone ......................... 74
6.5 Invalid Time Server ................................................................................................ 74
6.6 Invalid Time Offset ................................................................................................. 74
6.7 General Corrective Actions .................................................................................... 75
6.7.1 Restoring Phone Defaults ........................................................................................ 75
6.7.1.1 Restoring Factory Defaults from the Phone LCD .....................................75
6.7.1.2 Restoring Factory Defaults from the Web Interface .................................76
6.7.2 Loading the Configuration File Manually ................................................................. 76
6.7.3 Recovering Firmware ............................................................................................... 77
6.7.4 Restarting the Phone ............................................................................................... 77
6.7.4.1 Restarting the Phone from the LCD .........................................................77
6.7.4.2 Restarting the Phone from the Web Interface ..........................................78
6.7.5 Analyzing and Debugging Traffic using Syslog ....................................................... 79
6.7.6 Enabling Recording to Debug Voice ........................................................................ 81
6.7.7 Activating Port Mirroring .......................................................................................... 83
6.7.8 Enabling Tracing ...................................................................................................... 84
A Product Specifications ..................................................................................... 85