79Voice Quality MonitoringFeature overviewProactive Voice Quality Monitoring (PVQMon or VQMon) allows the IPPhone 1120E with SIP Firmware to report voice quality statistics to a serverin the network. The IP Phone 1120E with SIP Firmware collects variousvoice quality statistics, for example, packet loss, and sends the voice qualitystatistics to the server at regular intervals during a call. A subset of thesestatistics is also available for the user to view on the IP Phone 1120E byselecting the Audio softkey and then the Monitor Audio Quality menuitem.VQMon set-upConfigure the following parameters on the IP Phone 1120E with SIPFirmware to connect to the server and send the PVQMon statistics.1. Enable the feature. To enable the feature, configure theVQMON_PUBLISH parameter in the device configuration file (seeVQMon configuration commands).2. Configure the IP address of the PVQMon server. Configure the IPaddress of the PVQMon server in either of the following settings:a. Set VQMON_PUBLISH_IP through the device configuration file (seeVQMon configuration commands).b. Set PVQMon IP in Device Settings (see PVQMon IP configuration)3. Configure the remainder of the VQMon parameters in the deviceconfiguration file (see VQMon configuration commands). Theseparameters provide threshold information to the IP Phone 1120E withSIP Firmware. A report is sent to the server when these thresholdsare exceeded.Server set-upThe IP Phone 1120E with SIP Firmware works with Telchemy serversoftware. The name of the software is SQmediator and is available throughTelchemy (www.telchemy.com). The minimum version required is release1.0.SIP Firmware Release 1.1 for IP Phone 1120E AdministrationNN43112-300 02.03 Standard27 May 2008Copyright © 2008, Nortel Networks.
