Digium - Phone, D40 2-Line SIP with HD Voice, Backlit Display, English Text Keys


$129.00

Phone, D40 2-Line SIP with HD Voice, Backlit Display, English Text Keys

Two (2) line keys, four (4) feature keys. 3.5" display with 240 x 120 pixel backlit grayscale LCD. Full duplex speakerphone and acoustic echo cancellation (AEC). RJ-9 handset jack and RJ-9 headset jack. Two (2) switched 10/100 Mbps Ethernet ports, 5 volt DC power port. 802.3at with 802.3af compatibility PoE. One (1) year warranty. English text keys.

Digium Phone, D40 2-Line SIP with HD Voice, Backlit Display, English Text Keys


  • Keys - Two (2) line keys, four (4) feature keys
  • Display - 3.5", 240 x 120 pixel backlit grayscale LCD
  • Audio Quality - Full duplex speakerphone, acoustic echo cancellation (AEC)
  • Audio Inputs/Outputs - RJ-9 handset jack, RJ-9 headset jack
  • Connectivity - Two (2) switched 10/100 Mbps Ethernet ports, 5 volt DC power port
  • Power - 802.3at with 802.3af compatibility PoE
  • Warranty - One (1) year
A simple and intuitive HDVoice, PoE phone with advanced integrated applications. Multiple line appearances, context sensitive soft keys, SIP presence, secure SIP authentication, and plug-and-play deployment. Designed exclusively to take full advantage of the flexibility and customization of Asterisk and Switchvox. Features include voicemail, call log, contacts, phone status, user presence, parking, queue metrics, and English text keys.

Digium Phone, D40 2-Line SIP with HD Voice, Backlit Display, English Text Keys


  • Features
  • Display
  • 3.5"
  • 240 x 120 pixel
  • Backlit grayscale LCD
  • Keys
  • 2 line appearance keys
  • 4 feature keys
  • 4 context sensitive soft keys
  • 6-key navigation controller
  • Headset, speaker, and mute keys
  • 2-color LED Message Waiting Indicator
  • Volume control
  • 802.3at with 802.3af compatibility Power over Ethernet (PoE)
  • Advanced Phone Applications
  • English Text Keys

  • Connections
  • RJ-9 handset jack
  • RJ-9 headset jack
  • 2 switched 10/100 Mbps Ethernet ports
  • 5 volt DC power port

  • General Specifications
  • Phone Applications
  • Voicemail
  • Contacts
  • Presence/Status
  • Call Log
  • Parked Calls
  • Call Queues
  • Info
  • Phone Features
  • Auto answer
  • Headset answer
  • Distinctive ring
  • Custom ring tones
  • Call waiting
  • Call transfer (blind and assisted)
  • Call forward
  • Call hold
  • Call parking
  • Call pickup
  • Intercom/Paging
  • Message Waiting Indication (MWI)
  • Busy Lamp Field (BLF)
  • 3-way conferencing
  • Do Not Disturb (DND)
  • Redial
  • Call timer
  • Caller ID display
  • Audio Features
  • Handset, speaker and headset modes
  • HD speaker
  • HD microphone with acoustic isolation
  • Full duplex speakerphone with echo cancellation
  • Wideband: G.722 HD codec
  • Narrowband: G.711, G.726, G.729AB
  • Voice ACtivity Detection (VAD)
  • Calling tones (CNG)
  • Acoustic Echo Cancellation (AEC)
  • Packet Loss Concealment (PLC)
  • Adaptive Jitter Buffer (AJB)
  • Automatic Gain Control (AGC)
  • Background noise suppression
  • Network Support
  • Static or DHCP IP address assignment
  • SNTP time synchronization
  • Priority queuin, VLAN, LLDP
  • NAT traversal
  • QoS
  • SIP/VoIP Support
  • SIP v2
  • UDP, TCP transport
  • Incoming in-band DTMF
  • DTMF over SIP
  • SIP peer-to-peer
  • SIP presence (Subscribe/Notify)
  • Per-account digit map/dial plan
  • Dial using SIP URI
  • Dial using SIP server
  • Secure SIP authentication
  • Provisioning
  • Digium proprietary provisioning service
  • Manual provisioning from phone GUI
  • Auto-provisioning by DHCP option 66
  • Povisioning via phone UI
  • Management
  • Digest authetnticated login to phone web UI
  • Firmware update via browser
  • Factory restore via GUI
  • Remote logging via Syslog
  • Safety
  • FCC Part 15 Class B
  • CE Mark
  • UL 60950
  • Size
  • 6.5" x 8.25" x 6.25"
  • 3 lbs, 2oz
  • Warranty
  • One (1) year

1TELD040LF