Snom HD331A Analogue Guest Room Phone
The Snom HD331A is a hotel and guest room phone with a modern design that has been specially developed to meet high demands. Its cordless DECT handset ensures maximum freedom of movement, while the elegant, slim design fits perfectly into any ambience.
The Snom HD331A impresses with its clear, functional features and fulfils:
- Maximum freedom of movement - thanks to the Wireless DECT handset
- Intuitive operation - clear button layout for effortless calling
- Speed dial buttons - direct access to reception, room service & more
- Robust, durable design - ideal for long-term use in hotel operations
Proven technology for everyday hotel use
- Analogue reliability - works independently of IP networks
- No complicated installation - simply plug and play
- Easy to clean & hygienic - easy-to-clean housing for daily hotel operations
Whether for classic hotels or guest houses - the Snom HD331A is robust and modern in design and reliably meets all the requirements of a functional and user-friendly room telephone *Handset label not included

Snom HD331A Technical Specifications
Basics and Equipment
- Product Information
- Guest room phone | Corded handset | PN 00007010
- Colour: Gunmetal Black
- Equipment
- Anti-bacterial Housing
- Sturdy, Solid Construction
- Fully Customizable Faceplate for Hotel Branding and Dialing Instructions
- Placement: Indoor, Desktop, Nightstand, Wall Mounting
Dimensions and Weight
- Dimensions (H x W x D, Approx.)
- Corded handset (on the base cradle, desk mounted): 182 mm × 53 mm × 146 mm
- Corded handset (on the base cradle, wall mounted): 216 mm × 53 mm × 56 mm
- Weight (Approx.)
- Corded handset (on the base cradle): 400 g
Indicators and Keys
- Telephone Base: 3 LED Indicators
- Call status indication|Message waiting indication (MWI): 1 red LED
- Mute Status Indication: 1 Red LED
- Speakerphone Mode: 1 Red LED
- Corded handset: 20 hard keys in total
- 12 keys (standard ITU telephone keypad)
- 4 dedicated audio keys
- Mute (with red LED)
- Speakerphone mode (with red LED)
- VOL+ → Volume +
- VOL- → Volume -
- 1 dedicated function key: Message
- 3 programmable function keys: Speed dialling
Audio Devices and Features
- Corded Handset
- Microphone
- Handset Earpiece
- Hearing Aid Compatible (HAC)
- Built-in Assignable Ringtones
- External speaker
Interfaces and Connections
- Power Options
- Power over Ethernet (PoE)
- Wired Interfaces
- Telephone base
- Network connectivity: RJ45-8P8C socket → Gigabit Ethernet (GbE)
- Handset cord: custom socket
- Corded handset
- Handset cord: custom socket
Interoperability
- Interoperable with all major IP-PBX platforms
Administration interfaces and setup
- Configuration and setup via voice menu
- Advanced SIP configuration tool for easy mass deployment and phone monitoring
Networking Technologies and Protocols
- VLAN Support: SIP (RFC 3261)
Call Features
- 1 SIP Identity / Account
- Mute Microphone (via Dedicated Function Key)
- Speed Dialling via Function Keys
- Multicast Paging
Environmental Conditions
- Operating Ambient Temperature: 5 °C - 45 °C
- Humidity (Non-Condensing): 5% - 95%
Package Contents
- Hardware
- Telephone Base
- Handset
- Handset cord: 330 mm
- Footstand
- Wall Mount Kit
- 2 Ethernet Cables:
- Cable Length (Approx.): 140 mm | 2 m
- Documentation
- Quick Installation Guide (QIG)
Snom Accessories and Compatible Devices
- PoE injector: A5 (PN 00004065)