Noted audio in and out wires on IP2M-866E Poe PTZ camera. I understand that this unit has a built-in microphone. Does anyone have any experience with 2-way audio with this unit? Some questions before purchasing:
1. What are the specs needed for the speaker (4 or 8 ohms etc) and any suggestions for a compatible speaker for an outdoor location.
2. What has been your experience in terms of clarity (both incoming from mic and outgoing via speaker).
3. Is this duplex or is two-way communication more like a on-off press to talk walkie-talkie protocol.
Thanks for any help. I searched the forums and read through the 134 page user manual completely but did not find any information regarding this. TIA. Forum members here have been very supportive.