For Government & Military

REDCOM Sigma Client

Secure Command & Control app for Windows & Android

Delivers powerful UC functions - including voice, video, and chat with presence - from a PC, smartphone, and tablet.

REDCOM Sigma Client

REDCOM Sigma® Client is a C2 softphone with robust voice, video, and chat support. When coupled with the REDCOM Sigma® C2 software platform, the REDCOM Sigma Client delivers unique and powerful features with an easy-to-use interface for users at the tactical edge and DIL environments. The REDCOM Sigma Client is available on Windows and Android platforms.

Intuitive user interface

The REDCOM Sigma Client’s user interface focuses on human ergonomics for maximum efficiency. On Windows®, Chat panels can be resized and rearranged to fit the needs of each individual user, and unused panels (such as the dialer or contact details) can be hidden to maximize the space available for chat sessions.

Chat designed for tactical edge

The REDCOM Sigma Client for Windows® supports unified chat via both XMPP and IRC protocols, so users no longer have to switch between different chat clients. Operational tempo is enhanced with the ability to send images and attachments directly in chat, reducing the need for email.

  • Support for both XMPP and IRC protocols in one app
  • Attach files and images
  • Rearrange and resize chat windows
  • View multiple chat sessions at once

Unified Communications

As a SIP-based softphone, the REDCOM Sigma Client is interoperable with industry-standard devices.

  • Real-time voice
  • Full MLPP support
  • Integrated push-to-talk
  • Point-to-point video
  • Desktop streaming (Windows®)
  • XMPP and IRC chat

Security and redundancy

Protect critical communications by taking advantage of Sigma Client’s powerful 2048-bit RSA encryption for voice, video, and chat. The REDCOM Sigma Client for Android™ also features FIPS 140-2 compliant encryption.

  • Call encryption (TLS/SRTP)
  • Mutual authentication
  • FIPS 140-2 validated encryption (Android ™)
  • True dual registration to two independent SIP servers