Polycom RMX 1500 Administrator's Manual page 458

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Polycom RMX 1500/2000/4000 Getting Started Guide

Default IP Service – Conferencing – QoS Parameters

Audio / Video

You can prioritize audio and video IP packets to

ensure that all participants in the conference hear

and see each other clearly. Select the desired

priority. The scale is from 0 to 5, where 0 is the

lowest priority and 5 is the highest. The

recommended priority is 4 for audio and 4 for video

to ensure that the delay for both packet types is the

same and that audio and video packets are

synchronized and to ensure lip sync.

Select the type of Service (TOS) that defines

optimization tagging for routing the conferences

audio and video packets.

Delay: The recommended default for video

conferencing; prioritized audio and video

packets tagged with this definition are delivered

with minimal delay (the throughput of IP packets

minimizes the queue sequence and the delay

between packets).

None: No optimization definition is applied. This

is a compatibility mode in which routing is based

on Precedence priority settings only. Select

None if you do not know which standard your

router supports.

Rmx 4000 Rmx 2000