3.3.5 Two-way Audio
Two-way audio allows user to remotely communicate via NVR and IP cameras.
Through external audio sound adapter, users can connect speaker and microphone
to NVR to verbally communicate with people around cameras.
Applications:
(1) Via speaker, users can hear sounds captured from remote camera sites to have
the latest update.
(2) Via microphone, users can reply it back to remote camera sites.
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