Mitel H40 DECT Stereo Headset (51310038)
The Mitel H40 DECT Stereo Headset (51310038) is a professional-grade wireless headset designed to pair with compatible Mitel IP phones and systems for flexible, high-quality voice communications in busy office and contact-intensive environments. It uses DECT wireless technology to provide mobility and a reliable connection up to 150 m (490 ft) with clear stereo audio — ideal for users who need to take calls on the move without sacrificing call quality. The Mitel H40 is the same headset as the Jabra Engage 65 Stereo Headset (9559-553-125) just branded Mitel.
Features:
- Professional DECT wireless connectivity with up to ~150 m (490 ft) range and strong signal quality
- Stereo audio for clear, immersive sound suitable for calls and media
- Comfortable over-ear design built for extended use
- Noise-cancelling microphone improves speech clarity in busy environments
- Compatible with a range of Mitel IP phones supporting DECT headsets (refer to Mitel headset compatibility guide)
- Lightweight and professional design suited for office or contact-intensive work
Compatibility:
Supported Phones: Primarily 6930, 6930t, 6940, 6940t, 6920, 6920t, and several 6800 series models.
Connection Types: Supports USB-A (for 6900/6800 series) and analog RJ9 (for 6910-6930, 6865-6869).
Functionality: Offers stereo sound, noise-canceling microphone, and remote call control (answer/end).
Requirements: Generally, requires MiVoice Business Release 8.0 SP1 or higher.
Includes:
- Mitel H40 DECT Stereo Headset
- Power adapter
- USB cable
- Phone Cord






