- Programmable Service Keys: 6 intelligent DSS keys customizable for services such as housekeeping, front desk, room service, or emergency lines
- USB Charging Port: Side-mounted USB-A port (5V/1A) for charging mobile devices
- Sleek Ivory Design: White finish designed to complement modern hotel room aesthetics
- HD Voice Quality: HD handset and full-duplex speakerphone with Acoustic Echo Cancellation (AEC) and support for G.722 and Opus codecs
- Interactive Color Display (H5 Only): 3.5-inch (480x320) color screen customizable with hotel logo, address, and contact details
- Customizable Paper Panel (H3 Only): Printed information panel for service icons and branding
- Video Integration (H5W Variant): Supports H.264 video decoding for viewing SIP door phone video before granting entry
- Power over Ethernet (PoE): Supports 802.3af PoE for power and data through a single cable
- SIP Hotspot Function: Multiple phones can share one number, allowing all extension phones to ring simultaneously
- Dual Network Ports: Two 10/100 Mbps Ethernet ports for network passthrough to a guest laptop