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Conference SIP Phones (Yealink CP and Poly Trio)

Selecting a conference telephone largely depends on the size of the space where it will be used. In the following tables, this is indicated by the room size and number/reception radius of the phone's microphones. The microphones pickup angle (360° omnidirectional or 120° unidirectional) can also matter. However, larger spaces can be accommodated by external microphones (bought separately) that enhance the phone's reception range.


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Audio conference parties
5
10
5
HD audio
Yes
Screen size/Resolution4" / 480x800
5" / 720x1280
4"/ 480x800
Touch Screen/Color
Yes / Yes
USB Ports
1 Type-C 2.0
1 Type-C 2.0/
1 Type-A 2.0
1 Type-C 2.0
Bluetooth 
Yes  – 4.2
Wi-Fi
Yes
Ethernet ports / Gigabit
1 / No (100 Mbps max)
1 / No (100 Mbps)
N/A – wired connectivity comes from DECT base station
Room size
Small-medium
Medium-large
Small-medium
Microphones / Radius
 7 total (1 for noise reduction) / 20 feet
13 total (1 for noise reduction) / 20 feet
6 / 20 feet
Mic pickup angle360°360°360°
Extended mic radius
40 feet with CPW25 
Bluetooth microphone
65 feet with CPW65 DECT microphone
40 feet with CPW25 
Bluetooth microphone
Noise reduction
Yes
POE
Yes
No*
No*
Statics resistance
Yes
Mobile phone support
Yes via Bluetooth
Yes via Bluetooth/USB
Yes via Bluetooth
Call recording
Yes – USB drive/internal storage

* The Yealink CP935W is a battery-powered DECT (wireless) phone that pairs with the Yealink W70B, W80, or W90B base stations for a wireless coverage of up to 165 feet indoors. The phone itself is cordless and does not support POE (the base station it connects to does support POE.) The battery provides up to 15-20 hours of talk time and 75-160 hours of standby time, depending on if Wi-Fi or DECT connectivity is used.


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--Trio 8300Trio 8800Trio C60

Audio conference parties588
HD audio
Yes
Screen size/Resolution
3.5” LED
5” 720x1280
5" / 720x1280
Touch Screen/ColorNo / No
Yes / Yes
Yes / Yes
USB ports
1 Type-A 2.0
1 Type-A 2.0 / 
1 micro USB 2.0
1 Type-A 2.0 / 
1 micro USB 2.0
BluetoothYes – 4.0
Yes – 4.0
Yes – 5.0
Wi-FiYes
Ethernet ports / Gigabit
1 / Yes
2 / Yes
2 / Yes
Room size
Small
Medium
Large
Microphones / Radius
3 / 12 feet
3 / 20 feet
3 / 20 feet
Mic pickup angle
120°
120°
360°
Expansion MicrophoneAvailableAvailableAvailable
Noise suppression
Yes
POE
Yes
Yes
Yes
Statics resistance
Yes
Mobile phone support
Yes via Bluetooth
Call recording
Yes to USB drive