Digium D40 Phones

This phone is a robust and reliable IP phone that integrates seamlessly with Asterisk and other SIP-based systems. Its user-friendly interface, high-quality audio, and essential features make it an excellent choice for businesses looking to enhance their communication infrastructure.

Key Features:

• Display:
  • 4.3-inch backlit LCD display
  • 320 x 160 pixel resolution
  • Provides clear visibility of call information and settings
• Lines:
  • Supports 2 line appearances
  • Suitable for users with moderate call volumes
• Audio:
  • HD Voice for superior sound quality
  • Full-duplex speakerphone
  • Echo cancellation and adaptive jitter buffer

Connectivity

• Dual 10/100 Mbps Ethernet ports
• PoE (Power over Ethernet) support, eliminating the need for a separate power adapter

User Interface

• Intuitive and easy-to-use interface
• 4 context-sensitive soft keys
• 6 feature keys (Transfer, Conference, Hold, Redial, Speaker, and Headset)
• Volume control keys for ringer, handset, headset, and speaker

Protocol Support

• SIP (Session Initiation Protocol)
• Interoperable with a wide range of SIP-compatible PBXs and servers

Additional Features

• XML API for custom applications
• Busy Lamp Field (BLF) support
• Call waiting, call transfer, call hold, and call forwarding
• Voicemail with message waiting indicator

Security

• TLS/SRTP for secure VoIP communications
• HTTPS for secure provisioning and firmware upgrades

Design

• Sleek and professional appearance
• Desk or wall mountable

DISCLAIMER: MANY OF OUR LISTED PRODUCTS ARE LIKELY CONSIDERED B-STOCK, WHICH MEANS THEY MAY BE PRE-OWNED, REFURBISHED, RECONDITIONED, REMANUFACTURED, OR OTHERWISE NON-NEW STOCK. UNLESS SPECIFICALLY INDICATED AS NEW, PLEASE ASSUME THAT THE ITEMS MAY HAVE BEEN PREVIOUSLY USED OR SUBJECTED TO RIGOROUS REFURBISHMENT PROCESSES TO ENSURE QUALITY AND FUNCTIONALITY. REST ASSURED, ALL PRODUCTS, WHETHER NEW OR B-STOCK, UNDERGO THOROUGH INSPECTION TO MEET OUR HIGH STANDARDS OF EXCELLENCE.