DECT handset MITEL 722dt ISDN Comfort Phone — wireless connectivity, long battery life

The MITEL 722dt ISDN Comfort Phone is a DECT handset designed for ISDN environments, combining wireless connectivity with extended battery runtime to support reliable voice communication. The handset provides on-screen navigation, ergonomic design and the basic telephony functions required for everyday office or home use. It is suitable for installations that use ISDN phone systems and need a portable device for call handling, caller identification and simple contact management.

Advantages

The handset offers cordless freedom inside the DECT coverage area while maintaining compatibility with ISDN systems, enabling convenient mobility without a wired handset. Long battery life reduces the need for frequent charging and supports extended talk and standby times. On-screen navigation and an ergonomically shaped casing improve ease of use for dialing, call management and accessing stored contacts. Basic call features and a straightforward user interface make the device practical for users who require dependable voice performance without complex configuration.

Suitable for

• Office environments using ISDN phone systems where mobility is required
• Home offices and small businesses needing a cordless ISDN handset
• Reception or desk use where straightforward call handling and caller ID are needed
• Users who prefer simple navigation and extended battery runtime for frequent calls

Key specifications

• Wireless standard: DECT for cordless connection within base station range
• Compatibility: designed for ISDN telephony environments
• User interface: on-screen navigation and menu-driven controls
• Battery performance: extended talk and standby times for prolonged usage
• Form factor: ergonomic handset for comfortable single-handed operation
• Call features: caller identification, basic call management and contact storage

How to use

Power on the handset and register it with an ISDN-compatible DECT base station according to the base station instructions. Use the on-screen menu and navigation keys to access contacts, view caller ID and manage active calls. Charge the handset on its charging cradle when not in use to maintain battery readiness. For routine operation, place and answer calls using the dedicated call keys and follow on-screen prompts for call transfer, mute or volume adjustment where supported by the base system.

Usage recommendations

Place the base station in a central location to maximise DECT coverage and avoid physical obstructions that reduce signal strength. Keep the handset charged to benefit from the extended battery runtime and perform periodic firmware or system updates on the ISDN base unit if available to maintain compatibility and call quality.