AudioCodes C450HD - Page 6

400HD Series IP Phones
Administrator's Manual 6 Document #: LTRT-11973
7.2 Loading a Certificate ........................................................................................... 152
7.2.1 Loading the Trusted Root CA Certificate to the Phone ....................................... 152
7.2.1.1 Loading Trusted Root CA Certificate Using Configuration File ............. 152
7.2.2 Loading the Client Certificate to the Phone ........................................................ 153
7.2.2.1 Loading the Client Certificate to a Phone ............................................ 153
7.2.2.2 Enabling Server-side Authentication (Mutual Authentication) ............... 154
7.2.3 Generating a Certificate Signing Request .......................................................... 155
7.2.4 Using Previously Loaded Certificates ................................................................. 156
7.3 Configuring SIP TLS ........................................................................................... 157
7.3.1 Server Certificate Validation for Secured HTTPS Communications over SSL ..... 157
7.4 Configuring 802.1x ............................................................................................. 158
7.4.1 Configuring 802.1x in the Phone Screen ............................................................ 159
7.4.1.1 Configuring EAP-MD5 Mode ............................................................... 159
7.4.1.2 Configuring EAP-TLS Mode ................................................................ 159
7.4.2 Configuring 802.1x ............................................................................................ 160
7.4.2.1 Configuring EAP MD5 Mode ............................................................... 160
7.5 Configuring SRTP............................................................................................... 160
7.6 Configuring HTTP/S Login .................................................................................. 162
7.7 Logging into a Remote HTTP/S Server from the Phone ..................................... 163
7.8 MAC-Based Authentication ................................................................................. 164
8 Maintaining an IP Telephony Network ........................................................... 165
8.1 Changing Administrator Login Credentials .......................................................... 165
8.2 Administration ..................................................................................................... 165
8.2.1 Managing Users ................................................................................................ 165
8.2.2 Allowing / Disallowing Management via the Web Interface ................................. 166
8.3 Restoring Phone Defaults ................................................................................... 167
8.3.1 Restoring Factory Defaults from the Phone's Screen ......................................... 167
8.4 Restarting the Phone .......................................................................................... 167
8.5 Enabling Remote Management .......................................................................... 168
8.5.1 Enabling Telnet Access ..................................................................................... 168
8.5.2 Enabling SSH Access ........................................................................................ 168
9 Monitoring the Network .................................................................................. 169
9.1 Determining Network Status ............................................................................... 169
9.1.1 Determining LAN Status .................................................................................... 169
9.1.2 Determining Port Mode Status ........................................................................... 169
9.1.3 Determining 802.1x Status................................................................................. 170
9.2 Determining VoIP Status .................................................................................... 170
9.2.1 Determining Phone Status ................................................................................. 170
9.2.2 Viewing Line Status ........................................................................................... 170
9.2.3 Determining Memory Status .............................................................................. 171
9.2.4 Viewing Information about a Currently Established Call...................................... 172
9.3 Viewing Call History ............................................................................................ 173
9.4 Accessing System Information............................................................................ 174
9.5 Monitoring Quality of Experience ........................................................................ 174
9.6 Configuring Remote Voice Quality Monitoring .................................................... 174
9.6.1 Configuring RTCP Extended Report .................................................................. 175
9.6.2 Configuring Voice Quality Monitoring ................................................................. 176
10 Diagnosing Problems & Troubleshooting ..................................................... 177
10.1 Recovering Phone Firmware .............................................................................. 177