How to choose an edge router?

Question

Fintech

I have a budget of 300k. There are 700+ users. There is also ip telephony and video. Tell me how you can choose a router and where to start?

Answer 1

It’s better to start by showing an approximate network diagram and what you expect from hardware and for what purposes you are buying.

Answer 2

And where to route? maybe L3 switch is needed?
just if edge is where?
Internet with ip telephony and video disappears probably
means not to the Internet. To branches? And there are also 700+ users?
maybe in DC? what is the channel thickness?