Avaya B189 IP Conference Phone (700503700)
The Avaya B189 IP Conference Phone is a premium SIP‑based conference unit designed for executive boardrooms and mid‑sized meeting spaces. Featuring a 5‑inch color touch display, OmniSound 2.0 audio technology, and a 360° microphone, it delivers crystal‑clear, full‑duplex sound. The B189 supports 5‑way conferencing, SD card recording, wideband USB audio, and optional expansion microphones. With PoE support and compatibility across Avaya platforms, it’s a powerful and modern conferencing solution.
Features
- Backlit, touch‑sensitive 5″ color display
- OmniSound 2.0 audio technology for clear, natural sound
- SIP‑based operation
- Supports up to 5‑way conference calls
- Built‑in conference guide
- Line mode selector
- SD memory card support for recording meetings
- Integrated phone book
- Omni‑directional 360° microphone
- Wall‑mountable design
Specifications
- Wireless headset support
- OmniSound wideband audio via USB
- Upgradeable software
- Expansion microphones: optional
- Pickup range: up to 30 m
- Volume: 96 dB SPL at 0.5 m
- Frequency response: 200–3300 Hz
- USB frequency response: 200–7000 Hz
- Equalizer modes: Soft, Neutral, Bright
- Color: Licorice Black
- Display: 5″ 800×400 pixel color touch display
- Multi‑language support
- PoE IEEE 802.3af
- Supported codecs: G722, G711a, G711q, G729ab
Compatibility
- Avaya Communication Manager Rls 5.0+
- Avaya Communication Server 1000 Rls 6.0+
- Avaya Aura Rls 6.0+
- For platform details, see the Avaya Compatibility Guide
Includes
- Avaya B189 IP Conference Phone
- Ethernet cable
- 1‑Year Warranty (extended options available)
Equivalent Part Numbers
- Avaya B189
- 700503700
Documentation
Refer to the Avaya B189 Quick Reference for setup and usage instructions.





