Bittium Tough VoIP Softphone™

VoIP client for tactical communications.

Easy-to-Use Tactical VoIP Client for PC Users

Bittium Tough VoIP Softphone is a VoIP client for tactical communications. It provides all Bittium Tough VoIP Service™ functions for PC users from an easy-to-use graphical user interface.

Softphone supports SIP based call signaling, LDAP based phonebook (BD), instant messaging and meeting rooms for ad-hoc voice and messaging between groups. Features like Push-to-Talk (PTT) button and remote access to legacy Combat Net Radios (CNRs) have been specifically designed to meet the needs of tactical communications.


Easy to Use

Intuitive user interface and easy configuration.

Designed for Tactical Networks

Functionalities for tactical networks, such as Push-To-Talk button and group messaging.


Seamless interoperability with Bittium Tough VoIP Service functions as well as 3rd party SIP services and clients.

Softphone provides Bittium Tough VoIP Service™ functions for PC Clients

Interoperability with 3rd party SIP services as well.

Use Case Examples

Point-to-point, group, and priority calls

Several concurrent calls per user

Meeting rooms with chat and audio

Monitoring and relaying audio from CNR networks