User's Manual 324 Document #: LTRT-10532
Mediant 500L Gateway & E-SBC
To configure the OVOC server address and other related features:
1. Open the Session Experience Manager page (Setup menu > Signaling & Media tab
> Media folder > Quality of Experience > Session Experience Manager).
Figure 16-1: Configuring Session Experience Manager
2. Configure the address of the OVOC server:
a. In the 'Server IP' field, enter the primary OVOC server's IP address.
b. If Geographical-Redundancy HA mode exists, in the 'Redundant Server IP' field,
enter the secondary OVOC server's IP address.
c. In the 'Interface Name' field, enter the device's IP network interface from which
the device sends the reports to the OVOC server.
3. From the 'QoE Report Mode' drop-down list, select when you want the device to send
reports of a call to the OVOC (during or at the end of the call).
4. (Optional) Configure a TLS connection with the OVOC server:
a. From the 'QoE Connection by TLS' drop-down list, select Enable.
b. From the 'QoE TLS Context Name' drop-down list, select the TLS Context which
defines the TLS settings (e.g., certificates).
5. Click Apply.
16.1.2 Configuring Clock Synchronization between Device and OVOC
To ensure accurate call quality statistics and analysis by the OVOC server, you must
configure the device and the OVOC server with the same clock source for clock
synchronization. In other words, you need to configure them with the same NTP server.
The NTP server can be one of the following:
AudioCodes OVOC server (also acting as an NTP server)
Third-party, external NTP server
Once you have determined the NTP server, all the elements--deviceand OVOC--must be
configured with the same NTP server address.
To configure, the NTP server's address on the device, see ''Configuring Automatic Date
and Time using SNTP'' on page 129.
16.1.3 Enabling RTCP XR Reporting to OVOC
In order for the device to be able to send voice metric reports to the OVOC, you need to
enable the RTP Control Protocol Extended Reports (RTCP XR) VoIP management
protocol. RTCP XR defines a set of voice metrics that contain information for assessing
VoIP call quality and diagnosing problems. Enabling RTCP XR means that the device can
send RTCP XR messages, containing the call-quality metrics, to the OVOC server.
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