Sip firmware Release 1 for ip phone 1140e administration

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NN43113-300 02.05 1140E Adm

Audio softkey
How VQMon works

79
Voice Quality Monitoring
Feature overview
Proactive Voice Quality Monitoring (PVQMon or VQMon) allows the IP
Phone E with SIP Firmware to report voice quality statistics to a server in the network. The IP Phone E 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 E by selecting the Audio softkey and then the Monitor Audio Quality menu
item.
VQMon set-up
Configure the following parameters on the IP Phone E with SIP
Firmware to connect to the server and send the PVQMon statistics. Enable the feature. To enable the feature, configure the
VQMON_PUBLISH parameter in the device configuration file (see
VQMon configuration commands. Configure the IP address of the PVQMon server. Configure the IP
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
Table 37 "PVQMon IP
configuration" (page 94)
)
3. Configure the remainder of the VQMon parameters in the device configuration file (see VQMon configuration commands. These parameters provide threshold information to the IP Phone E with
SIP Firmware. A report is sent to the server when these thresholds are exceeded.
SIP Firmware Release 1.1 for IP Phone E Administration
NN43113-300 Standard May Copyright © 2008, Nortel Networks

80
Voice Quality Monitoring
Server set-up
The IP Phone E 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.
How VQMon works
When the IP Phone E detects that a particular voice quality metric has exceeded a threshold (defined in the device configuration file, the IP Phone sends a message to the server indicating that there is an issue. If the issue persists then the IP Phone reports another message indicating that there is an exceeded value at regular intervals. This happens continuously until the voice quality metric falls below the threshold value. As well, the IP Phone can send regular reports of the voice quality at time intervals defined in the device configuration file.
SIP Firmware Release 1.1 for IP Phone E Administration
NN43113-300 Standard May Copyright © 2008, Nortel Networks

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