Polycom Trio 8500 Conference Phone

Quick Info:

  • 4 m microphone pick up range
  • designed for medium meeting rooms

Compatible with:

  • Skype for Business
  • Bluejeans
  • Cisco WebEx
  • Zoom
  • VoIP Thailand Hosted IP PBX
  • Grandstream UCM
  • Yeastar S Series

Available accessories:

  • expansion microphones
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Polycom Trio 8500

Polycom Trio 8500 brings the legendary Polycom conference call experience to the midsize conference room. Polycom Trio 8500 is designed with a three cardioid microphone array, picking up voices in 360° out to 4.3 meters. With Polycom’s advanced audio technologies, including HD Voice, Acoustic Clarity, and NoiseBlock, you get the best conference call experience available for business today. For control, Polycom Trio 8500 has a bright 5″ capacitive touchscreen, giving you an intuitive, smartphone-like UI. The Trio 8500 is more compact than the Trio 8800, perfect for smaller conference rooms, meeting rooms, and collaborative spaces.

Polycom Trio 8500 is an open SIP conference phone, so you have incredible selection of VoIP platforms to work with. Designed for the modern office, Trio 8500 lets you connect to it wirelessly using Bluetooth for wideband speech and multimedia streaming. QoS support including 802.1p/Q tagging lets you prioritize data to stabilize and clarify communications. Advanced, enterprise-grade security features include 802.1x authentication, SRTP media encryption, TLS security, HTTPS secure provisioning, and more. Polycom Trio 8500 has a Gigabit Ethernet port with PoE support.

Polycom Trio 8500 Conference Phone Quick Specs:

  • Connectivity: IP/VoIP
  • Communications Protocol: SIP
  • Lines: 3
  • Ethernet Ports: 1x 10/100/1000 Gigabit
  • PoE: 802.3at Class 4
  • WiFi: no
  • Bluetooth: 4.0
  • NFC: no
  • Local Conferencing: 5-way
  • Additional Ports: 1x USB 2.0, 1x USB 2.0 Micro-B
  • Display: 5″ (720×1280) color capacitive touchscreen LCD
  • Microphones: 3x cardioid
  • Coverage: 360°
  • Pick-Up Range: 4.3m
  • Speaker: up to 90 dB at 0.5 m
  • Audio Codecs: G.711µ/a, G.729AB, iLBC, Opus, G.722, G.722.1, G.722.1C, Siren 7, Siren 14
  • QoS: 802.1p/Q tagging (VLAN), Layer 3 TOS, DSCP
  • Dimensions: 14.02″ x 12.17″ x 2.76″

Polycom Trio 8500 VoIP Conference Phone Package Contents:

  • Trio 8500 phone
  • CAT 5e Ethernet cable
  • Cable wrap
  • Tactile overlay for improved accessibility
  • Setup sheet








Display Size

HD Audio

Microphone pickup range

Phonebook Size

Call Recording

Expansion Microphones

Video Telephony

Skype for Business

Connect via

Analog Phone Ports

Network Port

VPN Built-in




Power Adaptor

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