VOIP Router questions

We are moving into a new office and transitioning to VOIP.  We currently have a RV082 router that we have been using for years, I've been worried for some time that it would one day die on me and have decided that this is a good time to replace it with a newer router.

I am looking for recommendation on a router to purchase, we have no VPN or other special needs other than to allow VOIP.  We have 10 users, 1 server and 3 network printers.  The server is used only for file sharing, no email, no SQL.  We will shortly be migrating to cloud storage and the traffic to the server will become even less than it is now, more to the internet.

There are at least 15 phones sets in the building, three 800 numbers and 5 regular numbers.  Cat 5E wiring in the office, 50mbps to the internet.  The VOIP provider is asking for multiple port to be open at the firewall with no port forwarding.

I'm sure I probably left out something important, ask and I'll get the answer

Thanks for the help
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I suggest discussing this with the VOIP provider.  My (limited) experience with such providers is that they have their "favorite" routers and discourage ones that meet the appropriate specs but aren't on their "approved" list.
Mike SmithEnterprise VoIP & ISP BrokerCommented:
I agree that you need suggestions from a tech at your VoIP provider.

It sounds like you might already be contracted with your VoIP provider but if not, consider using a provider that has an NNI with your ISP.  This will protect your voice quality from hitting the pubic Internet.

You might also want to look into an ISP that can also deliver your VoIP, which will also be a way to protect your VoIP from the latency, packet loss and jitter that is not guaranteed.

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