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Chapter 16-Network Services
Polycom, Inc. 16-19
10 If required, click the QoS tab.
Quality of Service (QoS) is important when transmitting high bandwidth audio and
video information. QoS can be measured and guaranteed in terms of:
• Average delay between packets
• Variation in delay (jitter)
• Transmission error rate
UDP Port from - to Displays the default settings for port numbers used for audio and
video.
To modify the number of UDP ports:
• In MPM Card Configuration Mode:
Enter the first and last port numbers in the range.
The number of ports is calculated as follows:
Number of simultaneous calls x 8 ports (2 audio, 2 video, 2
Content and 2 FECC).
• In MPM+/MPMx Card Configuration Mode:
Enter the first and last port numbers in the range, and the range
must be 1024 ports.
When ICE environment is enabled, the range must be 2048 ports.
If the network administrator does not specify an adequate port range, the system will accept the
settings and issue a warning. Calls will be rejected when the Collaboration Server’s ports are
exceeded.
Table 16-8 Default IP Service – Conferencing – Ports Parameters (Continued)
Field Description