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    • Viking Electronics
    40TB IP 5a00c0d440391
    Model 40TB-IP Talk-Back Speaker enables two-way conversations via SIP and also allows for standard paging and background music via multicast. Use a hard wired button to initiate a SIP call, or use the optional wireless remote, Viking model BTR-3. The remote can also be used to adjust speaker volume. The 40TB-IP’s integrated microphone enables talk-back and also monitors room noise to automatically increase speaker volume when necessary. For more information visit www.VikingElectronics.com.

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