Bittium Tough Comnode™ -
VersatileTactical Terminal

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Bittium Tough Comnode™

Bittium Tough Comnode is a versatile and rugged terminal and IP communication device for tactical networks. 

The device fulfils the data transfer needs for mobile troops for example as

  • SIP/VoIP phone
  • IP router
  • SHDSL repeater/modem


Bittium Tough Comnode is compatible with


Bittium Tough Comnode provides also SIP (Session Initiation Protocol) server functionalities of the tactical voice network for commercial VoIP terminals and enables using also legacy Combat Net Radios (CNR) as part of the IP-based tactical communication system (Radio over IP, RoIP).

Use cases

The versatility of Bittium Tough Comnode enables the device to act as a terminal, switch and router. The use case examples include:

  • Rugged VoIP phone in military vehicles or in the field
  • Rugged field phone with SHDSL modem, Bittium Tough VoIP Service integrated
  • Blue force tracking application for legacy CNR radio
  • Gateway between CNR radio network and VoIP service
  • SHDSL network access point
  • Fully independent tactical IP network using SHDSL and Ethernet connections




  • Provides all Bittium Tough VoIP Service™ functions either by direct dialing codes or from the graphical user interface
  • Custom OLSR in tactical networks
  • Automatic IP address configuration
  • QoS: traffic classifying and priority queues
  • Supports direct calls without external SIP server
  • Supports connectivity to 3rd party SIP servers
  • LDAP phonebook, either directly loaded to device memory, or used remotely over selected network
  • Linux firewall and Linux user management system, all users can their own user ID's
  • Push-to-talk (PTT)
  • No service requiring parts such as battery inside the unit
  • On/off-hook detection

Device management

  • Web user interface for device configuration
  • Easy and quick setup of multiple devices via configuration file
  • Remote SW update
    • Software upgrade through web-based management
  • Remote management support via Bittium Network Manager™

Physical interfaces


  • 12-32Vdc


  • Audio interface for connecting handset/headset/CNR, incl. two serial ports and push-to-talk signals


  • Two 10BASE-T/100BASE-TX interfaces with PoE 802.3af input


  • USBv2.0 host port and USB power input


  • Two ITU-T G991.2 (G.SHDSL) interfaces, push-and-release connector

Wireless interfaces

  • GPS
  • WLAN 802.11 b/g/n
  • BT 3.0 for headset (Hands-Free Profile)

Device interfaces

Status LED


  • Large, TFT LCD full color display
  • Size: 3.5 inches diagonal
  • Resolution: 320 x 240 pixels


  • 2 function keys below the display
  • 12 number keys


  • Buzzer for ringtone

Technical specifications

Signaling protocols

  • SIP (RFC 3261)
  • SDP (RFC 4566)
  • Presence event package (RFC 3856)

Voice signaling

  • RTP/RTCP (RFC 3550)
  • Telephone events (RFC 2833)

Audio codecs

  • LDAP (RFC 451)

Audio codecs

  • G.711, G.729AB, GSM, Speex, MELPe 2400

Environmental and EMC standards

  • MIL-STD-810G
  • MIL-STD-461F
  • MIL-STD-1275E

Power supply

  • Power consumption 7W (device), max. 7.5W USB power feed
  • Power input 12-32 VDC, alternative power inputs are LAN (PoE) and USB

Operating temperature range

  • - 40 °C to +55 °C

Ingress protection class

  • IP67, also for open connectors


  • 183 x 90 x 30 mm, without handset and handset holder


  • 580 g, without handset and handset holder


  • Surface treated aluminum alloy/plastic

Declaration of conformity

  • CE


  • Handset
  • Handset holder
  • Headset
  • Wall mount
  • Cables

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