Hi,
We're moving in to a new space in a couple of days, and are trying out ringcentral.com and their VoIP phones. There's no internal VoIP server, the phones are standalone.
The required ports seem to be: UDP 5060-5090, and UDP 16834-16482.
Should I just open those ports bi-directionally on the phone's IP addresses, or does the ASG (or UTM these days) VoIP implementation have advantages that I should use? Are there any how-to guides available on the UTM VoIP setup?
Anyone w/ experience w/ ringcentral or similar?
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