Trio 8500
Smart conference phone for any-size meeting space
- Hear and be heard with incredible clarity
- Collaborate using audio, video and more
- Use your favorite platform to connect
8500
Overview
A huge stride forward for mid-size rooms
Turn your mid-size conference rooms into amazing spaces for collaboration with one simple addition: the Trio 8500. Meetings are launched with a single touch. Video conferencing and content sharing can be easily added, ensuring future-proof flexibility. And USB and Bluetooth® are built in—so feel free to bring your own device.

Benefits
Every Word Comes Through
All Kinds of Connections
Platforms You Know
For a conference call that gets results, innovative Poly Acoustic Clarity delivers every inflection, without the distracting background noise. People hear each other’s reactions with up to 14kHz of rich, full sound.
Collaborate using audio, video, content or all three. The Poly Trio 8500 lets teams make decisions faster with a variety of meeting options.
Connect to the platform you like best—or choose more than one with Poly’s hybrid registration.
We work everywhere you do
Poly conference phones interoperate with more than 60+ communication platforms. We are committed to working with our Partners to maintain up-to-date interoperability, so you get to choose what works for you and we will work too.
Poly is certified (when offered) with all major communication platforms.
In selecting a conferencing technology, our main driver was ease-of-access. We wanted people to be independent so that communication and collaboration could be fostered at the level we needed
8500
Specifications
-
User interface features
- Gesture-based, multitouch-capable capacitive touch screen
- 5-inch color LCD (720 x 1280 pixel), 9:16 aspect ratio
- On-screen virtual keyboard
- 1x USB 2.0 Type A-compliant host port USB battery charging BC1.2 compliant (requires full Class 4 power input on LAN IN for operation)
- 1x USB 2.0 Micro-B device port
- Integrated Bluetooth 4.0
- 3 illuminated mute buttons
- Unicode UTF-8-character support
- User interface localized in Arabic, Chinese, Danish, Dutch, English (Canada/US/UK), French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish and Swedish
-
Audio features
- 3 cardioid microphones
-
Loudspeaker
- Frequency 180-14,000 Hz
- Volume: 90 dB at 0.5m peak volume
- 14ft/4.3m microphone pickup range
-
Supported codecs:
- G.711 (A-law and μ-law)
- G.722
- Siren™ 7
- HD Voice™
- Acoustic Clarity technology provides full-duplex conversations, acoustic echo cancellation and background noise suppression— Type 1 compliant (IEEE 1329 full duplex)
- NoiseBlock™
- Voice activity detection
- Comfort noise generation
- DTMF tone generation (RFC 2833 and in-band)
- Low-delay audio packet transmission
- Adaptive jitter buffers
- Packet loss concealment
- Bluetooth device pairing for wideband speech and multimedia streaming (HFP/AD2P)
- Call handling features
- Up to 3 lines (max. 1 Skype for Business)
- Shared call/bridged line appearance
- Distinctive incoming call treatment/call waiting
- Call timer and call waiting
- Call transfer, hold, divert (forward), pickup
- Called, calling, connected- party information
- Local five-way audio conferencing
- Daisy-chain up to three
- One-touch speed dial
- Do-not-disturb function
- Local configurable digit map/dial plan
- Corporate directory access using LDAP
- Visual conference management
-
Network and provisioning
- Open SIP
- Skype for Business certified (conference phone only)
- Microsoft Teams certified (conference phone only)
- Zoom certified
- SDP
- IETF SIP (RFC 3261 and companion RFCs)
- Single-port gigabit Ethernet 10/100/1000Base-TX across LAN
- Manual or dynamic host configuration protocol (DHCP) network setup
- Time and date synchronization using SNTP
- FTP/TFTP/HTTP/HTTPS server-based central provisioning
- Zero Touch Provisioning
- Provisioning and call server redundancy supported
-
QoS Support
- IEEE 802.1p/Q tagging (VLAN), layer 3 TOS, and DSCP
- VLAN-CDP, DHCP VLAN discovery
- LLDP-MED for VLAN discovery
-
Security
- FIPS 140-2 compliant cryptographic module
- 802.1X authentication and EAPOL
- Media encryption via SRTP
- Transport layer security (TLS v1.2)
- Encrypted configuration files
- Digest authentication
- Password login
- Support for URL syntax with password for boot server address
- HTTPS secure provisioning
- Support for signed software executables
-
Power
- LAN IN: Built-in auto-sensing IEEE 802.3at. PoE Device (Class 4)1. Backward compatibility with IEEE 802.3af
- Optional Power kit includes extended single-port gigabit midspan, 802.3at Type 2 compliant, local power cord and network cable (2200-66740-xxx)
-
Approvals
- Japan MIC/VCCI Class B
- FCC Part 15 (CFR 47) Class B
- ICES-003 Class B
- CISPR22 Class B
- VCCI Class B
- EN61000-3-2; EN61000-3-3
- NZ Telepermit
- Australia RCM
- ROHS compliant
- Energy Star® compliant
-
Radio
-
US
- FCC Part 15.247
-
Canada
- RSS 247 Issue 1
-
EU
- ETSI EN 300 328 v1.9.1
-
Japan
- Japan Item (19)
-
Australia
- AS/NZ4268
-
-
Safety
- UL 60950-1
- UL 62368-1
- CE Mark
- CAN/CSA-C22.2 No. 60950-1-03
- CAN/CSA C22.2 No. 62368-1-14EN 60950-1
- EN 60950-1
- EN 62368-1
- IEC 60950-1
- IEC 62368-1
- AS/NZS 60950-1
- AS/NZS 62368-1-17
-
Environmental conditions
- Operating temperature: 0° to 40°C (+32° to 104°F)
- Relative humidity: 5% to 95% (non-condensing)
- Storage temperature: -20° to +70°C (-4° to +160°F)
-
Accessories (optional)
- Trio 8500 Expansion Microphones (2200-65790-001)
- USB 2.0 Cable, 4ft/1.2m (2200-49307-002)
-
POLY TRIO 8500 SHIPS WITH:
- Open SIP Conference phone 2200-66700-025 OR Skype for Business or Microsoft Teams conference phone 2200-66700-019
- 7.6 m/25 ft network cable CAT 5e
- Cable wrap
- Tactile overlay for improved accessibility
- Setup sheet
-
Warranty
- 1 year
-
Phone dimensions (L x W x H)
- 35.6cm x 30.9cm x 7cm
-
Phone weight
- 985 grams
-
Box dimensions (L x W x H)
- 41cm x 36cm x 9cm
8500
Reviews
8500
8500
Resources
Trio 8500 Data Sheet
Learn about the features, benefits and technical specifications of the Trio 8500.
Download Data SheetTrio Video Solutions Data Sheet
Learn about the features, benefits and technical specifications of the Trio Video Solutions.
Download Data SheetTrio Infographic
Trio is the smartphone for your modern conference rooms. See how Trio transforms conference rooms of any size into hassle-free spaces for team collaboration.
Download InfographicTop 10 Reasons to Love Poly Trio
Learn more about Top 10 Reasons to Love Poly Trio.
Download User GuideIntroducing Poly Trio
Learn more about introducing Trio.
Introducing Trio 8500
Learn more about introducing Trio 8500.
Poly Trio Hybrid Registration
Learn more about Trio Hybrid Registration.
8500
Support
Find our resources, downloads, and software, or contact support for more assistance.
view all supportsoftware
Next Steps
Connect with us today
Ready to deploy a world-class communications solution? Poly is here to help. Contact us or a certified partner in your area today to get started.
Contact Sales
Contact us by filling out the information below. Our sales team will get back to your inquiry within 24 hours.
Compare Trio Conference Phones
Use the dropdown to compare products
|
|
|
|
Ideal For | Mid-size rooms requiring robust audio conferencing with a simple touch interface | Small rooms requiring rich audio quality with a simple touch interface | Larger rooms requiring the best conference phone performance with a simple touch interface |
Recommended # of participants | Up to 8 | Up to 5 | 8+ |
Display | 5” color touch display | 3.5” LED w/ classic 12-key keypad | 5” color touch display |
Mic pickup range | 4.2m / 14' | 3.7m / 12' | 6.1m / 20' |
USB and Bluetooth | |||
Daisy-chain | Up to 3 | Up to 3 | |
Video conferencing and content sharing options | With Visual+ or VisualPro | With Visual+ | With Visual+ or VisualPro |
NoiseBlock | |||
Wifi Network Connectivity | 2.4-5 GHz | 2.4-5 GHz |