
Chapter 5 Configuring VoIP trunks 75
IP Telephony Configuration Guide
Turning on QoS monitor
For fallback to function, the QoS monitor must be enabled:
1 In Unified Manager, open Services, IP Telephony, H.323 Trunks, and click on Remote
Gateways. The Remote Gateway screen appears. Refer to Figure 27.
Figure 27 Remote Gateway list
2 Select the Remote Gateway listing for which you want to enable QoS Monitoring.
3 On the top menu, click Configuration, then click Modify Entry.
The Remote Gateway dialog appears. Refer to Figure 28.
Figure 28 Remote Gateway dialog
4 For the QoS Monitor field, select Enabled.
5 Set the Transmit Threshold and Receive Threshold to a value between 0 and 5.
This marks the level of quality that the gateway must be able to support before transmitting a
call. In most cases, the transmit threshold and receive threshold should be the same. On a line
where communications in one direction are more important than in the other direction, you can
set up asymmetrical thresholds.
For information about using the QoS monitor, refer to “Quality of Service Monitor” on page 86.
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