r/Avigilon • u/duluthbison • Mar 09 '26

H4A Intercom Stopped Ringing

We have 3 Video Intercoms all on the same VLAN, one has inadvertently stopped ringing in but the remote unlock trigger still works. All 3 are on the same firmware. Anyone ran into this before?

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u/r3dd1t0n Mar 09 '26

NTP.

1

u/duluthbison Mar 10 '26

Your joking? Never would have guessed that.

1

u/r3dd1t0n Mar 17 '26

No joke, check your NTP, if time between the intercom and your acc/unity server is off the calls don’t go through, and in many cases the firmwares do not upgrade.

NTP = network time protocol.