D50 IP PhoneAn HDVoice, PoE phone with 4-line keys and 10 rapid dial buttons with busy lamp field indicators for your most important contacts. Designed for your mid-level employees.

Digium IP Phones include unprecedented HD Voice and plug-and-play deployment at a price that fits any budget. With multiple line appearances, context sensitive soft keys, and advanced applications, you can access the information you need instantly. Digium's phones are the only phones that allow you to take full advantage of the flexibility and customization of Asterisk and Switchvox.

The integrated applications that come standard on all Digium phones put critical information at your fingertips. With voicemail, call log, contacts, phone status, user presence, parking and queue metrics, the Digium phones provide simple, intuitive access to a wealth of information, saving valuable time.

Digium phones support plug and play provisioning. Simply plug the phones in, automatically discover your Asterisk or Switchvox server, select the user, and start talking. Digium phones make it easier to do full office installs too.


  • 3.5 inch, 240 x 120 pixel backlit grayscale LCD display
  • 4 line appearance keys
  • 6 feature keys
  • 4 context sensitive soft keys
  • 6-key navigation controller
  • 10 programmable Rapid Dial / BLF keys
  • Headset, speaker, and mute keys
  • 2-color LED Message Waiting indicator
  • Volume control
  • RJ-9 handset jack
  • RJ-9 headset jack
  • 2 switched 10/100 Mbps Ethernet ports
  • 802.3at with 802.3af compatibility Power over Ethernet (PoE)
  • 5 volt DC power port


Feature Keys

Digium D50 IP Phones include the following feature keys (Printable Version)

Icon Keys English Text Keys Key Description
IP Phone Messages Icon KeyMsgsThe Messages Feature Key can be configured to either launch the Visual Voicemail application or dial the voicemail access extension.
IP Phone Transfer Icon KeyTransferThe Transfer Feature Key transfers the active call.
IP Phone Redial Icon KeyRedialThe Redial Feature Key redials the last call dialed.
IP Phone Hold Icon KeyHoldThe Hold Feature Key places the active call on hold.
IP Phone Conference Icon KeyConfThe Conference Feature Key initiates a 3-way conference.
IP Phone Hold Icon KeyInfoThe Info Feature Key shows more information for a rapid dial contact.


Resources for D50 IP Phone

How to Buy

  • 1TELD050LF - Phone, D50 4-Line SIP with HD Voice, Backlit Display, English Text Keys
  • 1TELD051LF - Phone, D50 4-Line SIP with HD Voice, Backlit Display, Icon Keys
  • 1TELD002LF - Wall Mount Kit, D50 IP Phone
  • 1TELD007LF - Power Adapter, North America, 5V, USB, IP Phone


Where to Buy

local partner online retailer direct from Digium

Choose Keys Version
Digium D50 phones are available with either English text, or graphic icons, printed on the feature keys. The hardware is the same for both feature key options. The only difference is the printed indicators on the feature keys. 

English Text KeysIcon Keys


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