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 queuing, VLAN, LLDP
NAT traversal
QoS
Digium Phones for Asterisk
D40
User Interface
3.5 inch, 240 x 120 pixel backlit
grayscale LCD display
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
Connections
RJ-9 handset jack
RJ-9 headset jack
2 switched 10/100 Mbps Ethernet ports
5 volt DC power port
D50
User Interface
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
Connections
RJ-9 handset jack
RJ-9 headset jack
2 switched 10/100 Mbps Ethernet ports
5 volt DC power port
D70
User Interface
4.5 inch, 320 by 160 pixel backlit
grayscale LCD display
6 line appearance keys
10 feature keys
4 context sensitive soft keys
113 x 357 pixel backlit Rapid Dial panel LCD
10 x 10 programmable Rapid Dial / BLF keys
6-key navigation controller
Headset, speaker, and mute keys
2-color LED Message Waiting indicator
Volume control
Connections
RJ-9 handset jack
RJ-9 headset jack
2 switched 10/100/1000 Mbps Ethernet ports
5 volt DC power port
Digium, Inc. • 445 Jan Davis Drive NW, Huntsville, AL 35806, USA • Phone: +1 256-428-6000 • Fax: +1 256-864-0464 • www.digium.com
Copyright
©
2012 Digium, Inc. All rights reserved. Digium, Asterisk, and Switchvox are registered trademarks of Digium, Inc.
All other trademarks are property of their respective owners. Version 1.1/31 Aug 2012
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
Provisioning via phone UI
Management
Digest authenticated 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
Maximum Power Consumption:
D40: 3W
D50: 4W
D70: 8W
Operating Conditions
Temperature: +32° to 122° F / 0 to 50° C
Relative Humidity: 5% to 95% noncondensing
Storage Temperature
-4 to +160°F / -20 to +70°C
Size
D40: 6.5 x 8.25 x 6.25 inches /
16.51 x 20.95 x 15.88 cm
D50: 6.5 x 10.5 x 6.25 inches /
16.51 x 26.67 x 15.88 cm
D70: 6.75 x 12.5 x 6.25 inches /
7.15 x 31.75 x 15.88 cm
Weight
D40: 3 lbs 2 oz / 1.42 kg
D50: 3 lbs 7 oz / 1.56 kg
D70: 4 lbs / 1.81 kg
Warranty
One year
