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CCX 350 Entry-level IP desk phone

  • Complete Microsoft Teams integration on a dial-pad phone
  • Poly HD Voice with Acoustic Clarity technologies
  • Traditional dial pad experience
  • Poly Acoustic Fence and NoiseBlockAI technologies
  • Full-duplex speakerphone operation with echo cancellation


Small phone. Big value.

Entry-level Microsoft Teams phone with top-of-the-line audio

Get everything you need in one sweet-looking desk phone. The CCX 350 Microsoft Teams-integrated IP phone offers industry-leading HD audio for incredible value for the price. Exclusive Poly Acoustic Fence and NoiseBlockAI technologies shut out distracting background noise. And its durable construction and seamless keypad design makes it ideal for any business situation from home offices to warehouses. 

Full Microsoft Teams integration

Everything Microsoft Teams, packed into a dial pad phone

You won’t find phones at this price point that are fully certified for Microsoft Teams. 

Value meets performance

All the features you want at an entry-level price

Good luck finding another dial phone at this price point that has the industry-leading sound quality. HD voice technology with Poly Acoustic Clarity means you’ll never miss a word or inflection. And Poly Acoustic Fence and NoiseBlockAI technologies eliminate distracting background noise at the source. 

Versatility IT will love

Your IT manager with thank you profusely

These phones take the headache out of telephony deployment with Poly Lens support. And the Poly CCX 350 has amazing durability which means fewer repairs or replacements, even in the dustiest warehouse. 

Productivity with style

Next-gen design for the new workplace

The Poly CCX 350 instantly upgrades any office decor with up-to-the-minute industrial design. Illuminated keys get your calls done faster. And its two-position stand and included wall mount makes it a breeze to set up on desktops, lobbies, or employee lounge areas.




  • User Interface Features
    • 2.8" color LCD screen (640X480 pixels)
    • Dedicated Microsoft Teams button
    • Microban® antimicrobial product protection actively reduces the growth of bacteria 24/7.
    • Sanitary keypad design with rugged surfaces to aid in durability and debris resistance
    • One USB type-C port (2.0 compliant) for media and storage applications
    • Adjustable font size selection (regular, medium, large)
    • Normal and dark mode
    • Multilingual user interface, including:
      • Arabic
      • Chinese
      • Czech
      • Danish
      • Dutch
      • English (Canada/ US/UK)
      • French
      • German
      • Hungarian
      • Italian
      • Japanese
      • Korean
      • Norwegian
      • Polish
      • Portuguese
      • Romanian
      • Russian
      • Slovenian
      • Spanish
      • Swedish
    • Poly HD Voice technology delivers lifelike voice quality for each audio path; handset, hands-free speakerphone, and optional headset
    • Poly Acoustic Fence technology removes background office noise heard by far end when using handset or wired headsets
    • Poly Acoustic Clarity technology providing full-duplex speakerphone conversations, acoustic echo cancellation and Poly NoiseBlock AI background noise suppression
    • TIA-920 wideband audio, type 1 compliant (IEEE 1329 full duplex)
    • Frequency response—150 Hz—7 kHz for handset, optional headset and handsfree speakerphone modes
    • Individual volume settings with visual feedback for each audio path
    • 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
    • OPUS support
    • Dedicated RJ-9 headset port
    • Hearing aid compatibility to ITU-T P.370 and TIA 504A standards
    • Compliant with ADA Section 508 Subpart B 1194.23 (all)
    • Hearing aid compatible (HAC) handset for magnetic coupling to hearing aids
    • Compatible with commercially-availableTTY adapter equipment
    • USB headset support
    • SDP
    • Two-port gigabit Ethernet switch
    • 10/100/1000Base-TX across LAN andPC ports
    • Manual or dynamic host configuration protocol (DHCP) network setup
    • Manual or dynamic host configuration protocol (DHCP) network setup
    • Time and date synchronizationusing SNTP
    • FTP/TFTP/HTTP/HTTPS server-based central provisioning for mass deployments
    • Provisioning and call server redundancy supported
    • RTCP and RTP support
    • Event logging
    • Syslog
    • Hardware diagnostics
    • Status and statistics reporting
    • IPv4 and IPv6
    • UDP
    • Media encryption via SRT
    • Transport layer security (TLS)
    • 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
    • Built-in auto sensing IEEE 802.3af Power over Ethernet (Class 3) 13 W (Max)
    • External Universal AC/DC Adapter(optional) 5 VDC @ 3 A (15 W)
    • ENERGY STAR® rated
    • Australia RCM
    • Brazil ANATEL
    • Canada ICES and NRTL
    • China RoHS 2.0
    • EEA CE Mark
    • Russia Customs Union
    • Indonesia SDPPI
    • Japan VCCI
    • Mexico NYCE
    • NZ Telepermit
    • Saudi Arabia CITC
    • South Africa ICASA
    • South Korea KC
    • USA FCC and NRTL
    • UL 62368 -1
    • CAN/CSA C22.2 No. 62368-1-14
    • EN 62368 -1
    • IEC 60950-1 & IEC 62368-1
    • AS/NZS 62368 -1
    • AS 60950-1
    • FCC Part 15 Class B
    • ICES-003 Class B
    • EN 55032 Class B
    • GB8898 Class B
    • CISPR32 Class B
    • VCCI Class B
    • Android 9
    • Android 12 (post FA)
    • Temperature: 0 to 40 °C (+32 to 104 °F)
    • Relative humidity: 5% to 95%, noncondensing
    • -40 to + 70 °C (-40 to + 160 °F)
    • Console
    • Handset with handset cord
    • Network (LAN) cable—CAT-5E
    • Desk Stand
    • Setup Sheet
    • 18.8 cm x 21.4 cm x 4.2 cm WxHxD
    • 7.4 in x 8.4 in x 1.6 in (WxHxD)
    • Unit box weight: 1.043 kg (2.23 lbs)
    • 22.2 cm x 24.3 cm x 6.9 cm (WxHxD)
    • 8.7 in x 9.6 in x 2.7 in (WxHxD)
    • Ten (10)
    • One (1) Year
Data Sheet


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CCX 350 Data Sheet

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