Bittium Tough VoIPTM product family for tactical communications

A range of tactical IP-based communication products consisting of Voice over IP clients and network extension units.

Contact Request for Sales Partnership

Bittium provides innovative radio and communication solutions and services for wireless and wire line Tactical Communications for the Defense Industry. Bittium's defense product portfolio enables defense authorities to gain access to the next–generation military radio solutions.

With a strong knowledge and history in military radio technologies and software defined radio Bittium is now looking for resellers and partners for its defense products. If you feel that your company is suitable for the partnership we would like to hear from you. Please fill in the form below.

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We are interested in Bittium sales partnership in (select one or more options):
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Bittium Tough VoIP™ product family

A range of tactical IP-based communication products consisting of distributed VoIP service network for tactical environment, Bittium Tough VoIP Service;  Voice over IP clients, Bittium Tough VoIP Field Phone and Bittium Tough VoIP Terminal; and network extension unit, Bittium Tough VoIP Network Extender.

Main benefits:

  • Provides broadband wired connectivity in demanding environments where limitations in communications can greatly affect operational capabilities.
  • Provides enhanced reliability for VoIP services regardless of availability of network services such as SIP or DHCP
  • Features full interoperability with commercial equipment and infrastructure

Bittium Tough VoIP product introduction

Bittium Tough VoIP Service™

Bittium Tough VoIP Service is a distributed VoIP service network for tactical environment. It creates a highly resilient, distributed digital voice service in a tactical network. The service can rapidly adapt to changes in the network. Network can be split or merged while maintaining the service available for all clients that accessible. When network islands merge with the network, the clients will have core network connection automatically.


  • Native support for MANET
  • Zero configuration
  • Seamless connectivity across tactical and fixed networks
  • Easy integration to other SIP based VoIP services and phones


TV - Bittium Tough VoIP Service node

Bittium Tough VoIP Softphone™

Bittium Tough VoIP Softphone is a VoIP client for tactical communications. Softphone provides all Bittium Tough VoIP Service functions to PC and smartphone users from an easy to use graphical user interface. Softphone supports SIP based call signaling, instant messaging and meeting rooms. Features like Push-To-Talk button and remote access to legacy Combat Net Radios (CNRs) have been specifically designed to meet the needs of tactical communications.


  • Easy to use
  • Simple configuration
  • Functionalities for tactical network, such as Push-To-Talk button (PTT) and group messaging
  • Interoperability with third party SIP services in addition to Bittium Tough VoIP Service functions

Bittium Tough VoIP Field Phone™

Bittium Tough VoIP Field Phone is a tactical Voice over IP (VoIP) phone for advanced military communications. It can be easily integrated into customer's existing or future tactical communication IP infrastructure, both wireless and wired. The phone is SIP V2 VoIP client that provides interoperability with other SIP clients and server implementations available in the defense market.

The product meets the requirements of tactical environments where network services may not be present or where the network topology is constantly changing (e.g. MANET). Bittium Tough VoIP Field Phone incorporates functionality that enables introduction of VoIP services in dynamic self-forming networks without servers. Bittium Tough VoIP Field Phones provides ease of use and reliability of voice services in all circumstances – with minimal bandwidth utilization.


  • No servers required – no single point of failure SIP server interoperability (e.g., Asterisk)
  • Provides standard SIP based VoIP peer2peer calls with prioritized group call modes
  • Automatic and real-time regrouping of clients and their phonebooks for each group of nodes
  • Calls channeled through the tactical data radio network as multicast-traffic with compressing vocoders utilized minimizing the need of data bandwidth for voice
  • Automatic and real-time update of phonebooks on clients showing user roles rather than phone numbers
    • Calls can be diverted outside the tactical environment if SIP service is available and configured to allow that
  • Dynamic phonebook contains all current roles in the network in real time
  • Settings and role definitions are not erased in power down, enabling plug-and-play operation and fast deployment
  • Role definition for each user, no need to remember numbers
  • Fully rugged and environmentally shielded
    • EMI MIL-STD 461F (RE 102, RS 103) Ground, Army and MIL-STD 1275D compliance
    • MIL grade connectors, cables, head-sets and hand-sets available
  • Push-to-talk (PTT) functionality with quick dials
  • Used either with head-set or H-350/U hand-set
  • Can be operated with protective gloves
  • Ethernet PoE interface


Applications and installations:

  • Infantry communications
  • Vehicular and weapon platforms
  • Naval applications
    • Airbases
    • Command posts
    • Shelters
    • Service depots
    • Field hospitals

Bittium Tough VoIP Terminal™

Bittium Tough VoIP Terminal is a fully integrated wireline IP phone that can be either operated as part of Bittium Tough VoIP solution or as VoIP terminal together with third party equipment.

Bittium Tough VoIP Terminal offers wide range of functions and can be configured to suit many critical applications requiring high service availability with extreme environmental protection.

Technical highlights:

  • Zero configuration
  • Full Push-to-talk (PTT) functionality
  • No service requiring parts, such as battery inside the terminal
    • powered through Power over Ethernet (PoE)
  • Connects to Bittium Tough VoIP or to PoE supporting Ethernet system
  • VoIP calls through SIP server or terminals; can operate independently without SIP server in tactical mode
  • Dynamic phonebook containing a list of existing and available network users
  • Auto-answer mode while using headset
  • Buzzer to alert the user of incoming call when not wearing a headset
  • Standard phone features including quick calls, number dials and phonebook
  • Terminal specific user's operational role definition
  • Automatic adjustment of the display and keypad brightness for optimal use in the prevailing conditions
    • Suitable for operating in total darkness

Bittium Tough VoIP Network Extender™

Through the Bittium Tough VoIP Network Extender's SHDSL connectivity, an IP network can be extended over long distances using conventional field wire. The Network Extender unit supports Ethernet transport over single, dual or four SHDSL channels.

The Bittium Tough VoIP Network Extender is a self-healing and self-configuring unit, which automatically and transparently adapts to available network services. This solution is not dependent on the availability of network services, such as DHCP, enabling access to voice and data services regardless of the network service status. 

Technical highlights:

  • Combines network switch and SHDSL modem in a single rugged device
  • Both AC/DC power input and battery operation
    • Battery back-up operation up to 20 hours
  • Protective frame construction for high robustness
    • Available also without the framing for more integrated semi-fixed or vehicular installations and wall mountings
  • On/Off switch, battery charging enabled in both modes
  • Can provide PoE power supply for external device

Bittium Gigabit PoE+ InjectorTM

The Bittium Gigabit PoE+ Injector is a rugged network-agnostic solution that provides high speed data and electrical high power connections for devices used in tactical military communication environments.

Bittium Gigabit PoE+ Injector gives military personnel the flexibility to combine data and power supply over a single Ethernet cable without a costly need to replace their existing communications infrastructure. The Bittium Gigabit PoE+ Injector is fully MIL compliant and is well suited for high vibration environments like vehicle installations. This unique solution can easily brings PoE support to legacy systems.


  • Provides gigabit throughput for high speed data devices
  • Rugged network-agnostic solution
  • High power supply for PoE+ devices
  • High vibration environments, including tracked vehicles




Bittium Tough VoIP Field Phone

  • Wall mount plate, bag, cables, batteries, chargers, AC/DC power supply

Bittium Tough VoIP Terminal

  • Cables, headset

Bittium Tough VoIP Network Extender

  • Cables, batteries

Bittium Gigabit PoE+ Injector

  • Cables

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