Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
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The matrix may be collapsed by clicking the arrows next to the “Mics” group
resulting in the compact matrix representation shown in the following figure.
This figure also shows the routing of each telephony interface to the other tele-
phony interface so that both callers can hear the other caller.
Channels Settings
The channels page will look like the following figure. The AEC block has been
expanded to show the AEC references.