Voice Quality Monitoring; Feature Overview; Vqmon Set-Up; Server Set-Up - Nortel 1120E Administration Manual

Voice Quality Monitoring

Feature overview

Proactive Voice Quality Monitoring (PVQMon or VQMon) allows the IP
Phone 1120E with SIP Firmware to report voice quality statistics to a server
in the network. The IP Phone 1120E with SIP Firmware collects various
voice quality statistics, for example, packet loss, and sends the voice quality
statistics to the server at regular intervals during a call. A subset of these
statistics is also available for the user to view on the IP Phone 1120E by
selecting the Audio softkey and then the Monitor Audio Quality menu
item.

VQMon set-up

Configure the following parameters on the IP Phone 1120E with SIP
Firmware to connect to the server and send the PVQMon statistics.
1. Enable the feature. To enable the feature, configure the
2. Configure the IP address of the PVQMon server. Configure the IP
3. Configure the remainder of the VQMon parameters in the device

Server set-up

The IP Phone 1120E with SIP Firmware works with Telchemy server
software. The name of the software is SQmediator and is available through
Telchemy (www.telchemy.com). The minimum version required is release
1.0.
Copyright © 2008, Nortel Networks
.
VQMON_PUBLISH parameter in the device configuration file (see
VQMon configuration commands).
address of the PVQMon server in either of the following settings:
a. Set VQMON_PUBLISH_IP through the device configuration file (see
VQMon configuration commands).
b. Set PVQMon IP in Device Settings (see PVQMon IP configuration)
configuration file (see VQMon configuration commands). These
parameters provide threshold information to the IP Phone 1120E with
SIP Firmware. A report is sent to the server when these thresholds
are exceeded.
SIP Firmware Release 1.1 for IP Phone 1120E Administration
NN43112-300 02.03 Standard
27 May 2008
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