Is the Poly Edge E300 a conference phone?

No. It is a corded desktop IP phone for one person at a desk. For group calls you need a separate conference phone or a speakerphone model.

Does it need a separate power adapter?

It supports Power over Ethernet, so a PoE switch or injector can power it over the network cable. Without PoE you need a power adapter.

It is designed for business VoIP and hosted PBX systems. Check that your provider supports Poly Edge phones before buying.

Yes. It has a color display that shows caller and line information, which is easier to read than a basic monochrome screen.

Yes, if you already have a VoIP line. It gives you a corded handset and clear calls, but it is more phone than a plain analog set needs.

It has a headset port for wired headsets, which suits users who take calls all day.

At Newegg, for $169.55, as of our latest check.

Rated 4.6 out of 5 from 200 ratings.

7 stores we checked sell it, including Newegg, Antonline, Best Buy, Amazon, ctspoint.com.

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$169.55at NeweggChecked 50 min ago

Compared across 7 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.