In general, all users have phones from the Cisco 885x or 886x series or better - that means every user has a phone with HD Voice, a color screen, and at least 10 line keys.

Phones

Cisco 8865

Video phone for video calls, including intercom/doorbell inbound calls

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<aside> ⚠️ The Cisco 8865 is not available in a privacy-sensitive device (i.e. positive microphone disconnect.)

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Key features (from Cisco):

Easy-to-use, one-touch face-to-face collaboration with 720p HD desktop video
Exceptional clarity in video and VoIP communications with wideband audio
Integration with personal mobile devices using Cisco Intelligent Proximity for Mobile Voice
Optional Cisco IP Phone 8800 Key Expansion Module for simplified dialing and expanded status detail
Choice of options with wired, Bluetooth, and USB headsets from third-party vendors

Attribute	Specification
Programmable line and feature keys	5
Video	720p HD, H.264 AVC
Display	5-inch widescreen VGA (800x480 pixel), 24-bit color
Integrated switch	10/100/1000
Headset support	RJ-9 jack, USB, Bluetooth
Wireless Fidelity (Wi-Fi)	Yes, 802.11a/b/g/n/ac
Personal mobile device integration	Yes, Cisco Intelligent Proximity for Mobile Voice
IP Phone 8800 Key Expansion Module	Yes, up to 3 modules (108 additional line and feature keys)

Cisco 8851

Used in most situations

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Key features (from Cisco):

High-quality, full-duplex, wideband audio and superior echo cancellation for exceptional clarity when communicating.
Integration with personal mobile devices using Bluetooth.
Simplified dialing and expanded status detail with the optional Cisco IP Phone 8800 Key Expansion Module.