How many lines can the HP Poly Edge E550 IP Phone handle?

The HP Poly Edge E550 IP Phone is designed to handle up to 48 lines and can take on two additional expansion modules, supporting up to 66 more contacts each.

What audio quality features does the HP Poly Edge E550 IP Phone offer?

The HP Poly Edge E550 IP Phone provides quality audio with Poly HD voice and a bass frequency enhancing speaker design.

Questions & Answers: HP Poly Edge E550 IP Phone and PoE-enabled, Wi-Fi Desktop phone, Black

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HP Poly Edge E550 IP Phone and PoE-enabled, Wi-Fi Desktop phone, Black | 82M91AA

12-line keys give you more ways to connect, plus quality audio.
Outfitted with a 5-inch color display designed to handle up to 48 lines. Can take on two additional expansion modules, supporting up to 66 more contacts each.
Offers quality audio with Poly HD voice and bass frequency enhancing speaker design.
Better connectivity with two high-speed GigE PoE Ethernet ports for the LAN connection to your IP phone with a passthrough connection to your PC. And a Poly headset for your workstyle: Bluetooth®, USB, RJ9, or Electronic Hook Switch.

$230^.99 –