Description
Need a reliable desk phone that actually sounds great and stays out of your way? The HP Poly CCX 400 Open SIP Business Media Phone (84C14AA#ABA) gives small businesses and IT teams professional-grade voice clarity, a super-simple 5" touchscreen, and easy Open SIP setup—all in a sleek package that mounts on the desk or wall. With noise-canceling Acoustic Fence tech and Poly HD Voice, every call feels crystal clear even in busy offices.
Our Expert Take: IT managers and office teams love the CCX 400 because it strikes the perfect balance: premium Poly audio performance at an entry-level price. The Acoustic Fence technology really shines in noisy environments—background chatter disappears while your voice stays crisp. Setup takes minutes, and the intuitive touchscreen means fewer support tickets. For businesses moving to Open SIP or expanding VoIP systems, this model offers future-proof features like 24 SIP lines and Gigabit Ethernet in a sleek black design that looks sharp on any desk. If you want crystal-clear calls without complexity, this is the phone your team will actually enjoy using every day.
Key Features
- Crystal-clear audio every time — Poly HD Voice and Acoustic Clarity deliver full-duplex conversations with echo cancellation and noise suppression so you never miss a word.
- Background noise stays in the background — Poly Acoustic Fence technology blocks distracting sounds when using the handset or wired headset; NoiseBlockAI handles speakerphone calls.
- 5" multitouch color screen — 720 x 1280 resolution, gesture-based navigation, adjustable font sizes, dark mode, and screensaver make contacts and calls just a tap away.
- Open SIP flexibility — Supports up to 24 SIP lines with full IETF SIP standards—perfect for any Open SIP PBX or hosted VoIP platform.
- IT-friendly deployment — Zero-touch provisioning, web UI, Poly Lens cloud management, and encrypted config files keep rollout simple and secure.
- Built for real offices — Dual Gigabit Ethernet ports with PoE (IEEE 802.3af Class 0), includes NA power supply, USB 2.0 port, RJ-9 headset jack, and optional wall-mount kit.
- Multilingual and accessible — Supports 20+ languages, hearing-aid compatible handset, and ADA-compliant features.
Technical Specifications
| Category | Details |
|---|---|
| Display | 5" (12.7 cm) color LCD, 720 x 1280 resolution, 16:9 aspect ratio, gesture-based multitouch capacitive screen |
| Audio | Poly HD Voice, Poly Acoustic Clarity (full duplex, echo cancellation, noise suppression), Poly Acoustic Fence, Poly NoiseBlockAI, TIA-920 wideband audio, G.711 (A/μ-law), G.722, G.722.1, G.729AB, iLBC, OPUS codecs |
| SIP / Lines | Open SIP (IETF RFC 3261), up to 24 SIP registrations / line keys |
| Networking | 2x RJ-45 10/100/1000 Mbps Ethernet ports (LAN + PC), PoE IEEE 802.3af Class 0 (13 W max), IPv6 support |
| Ports | 1x USB 2.0 Type-A, 1x RJ-9 headset, Electronic Hook Switch (EHS) port |
| Power | Includes North America AC power supply + built-in PoE support |
| Platform | Android 9 |
| Dimensions & Weight | Approx. 7.1 x 8.5 x 2 in (package: 8.7 x 9.6 x 2.7 in), 2.23 lb package weight |
| Color | Black |
| Security | SRTP (AES-256), TLS, 802.1X, HTTPS provisioning, encrypted config files, digest authentication |
| Mounting | Adjustable desk stand (2 positions); optional wall-mount kit |
| Certifications | FCC Part 15 Class B, CE, UL 62368-1, RoHS, and many regional compliance standards |
| Warranty | Poly standard one-year limited warranty |
- Poly SKU: 2200-49700-001
- HP SKU: 84C14AA#ABA


