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Mission Critical PTT

Unified Communications

Mission Critical PTT

// The leading solution for broadband PTT

Mission Critical
Push-to-Talk

ESChat is a secure, standards-compliant push-to-talk solution for mission-critical communication. Certified for use in regulated environments, it meets strict security and operational standards. Operating across all mobile networks, ESChat enables true interoperability for defence, emergency services, and public safety teams. It works as a standalone solution on smartphones and IoT devices or integrates with P25 (ISSI), DMR (AIS), and other LMR networks via RoIP.

// Mission Critical PTT

ESCHAT

ESChat is a secure, mission critical push to talk platform that keeps teams connected anytime, anywhere. Share voice messages, chat, and real-time location updates over mobile and Wi-Fi networks, trusted by public safety, government, and enterprise organisations.

Mission-Critical Security

  • AES 256‑bit encrypted voice and data
  • SSL protection for secure transmissions
  • Secure user authentication and access control

    • Interoperability Network

  • Integrates seamlessly with P25 and DMR radio networks
  • Supports ISSI, AIS, and KMF/OTAR for cross-system communication
  • Unified communication between radio platforms and dispatch systems

    • Real‑Time
    Location

  • Live and historical location tracking
  • Accurate location updates for faster decision-making
  • Historical location playback for incident review

    • Advanced Group Features

  • Flexible group communication including ad hoc, private, and large group calls
  • Instant group creation to support changing operational needs
  • Keeps teams informed, responsive, and connected at all times

    • // Reliable, Secure, and Always Connected

    Why Choose ESChat for Your Team?

    ESChat puts mission-critical communication at your fingertips. Whether your team is in the field, on-site, or across multiple locations, ESChat ensures everyone stays connected instantly just like a traditional radio, but smarter. With encrypted voice and messaging, real-time location tracking, and seamless integration with existing systems, ESChat gives you the confidence that your team can communicate safely and efficiently, every time.

    Encrypted Push‑to‑Talk Voice

    Protects all communications with military-grade AES-256 encryption.

    Secure Group & Private Messaging

    Share text, images, and attachments safely in real time.

    Real-Time & Historical Location

    Track team positions live and review past routes for awareness.

    Carrier-Independent Support

    Works across all major wireless carriers without special gateways.

    Flexible Talk Group Management

    Supports command, dispatch, emergency, and ad-hoc groups.

    Optional Mission-Critical Recording

    Securely record PTT voice and metadata for compliance.

    // Interoperability

    ESChat Interoperability Network

    ESChat connects the largest number of users across multiple technologies in the broadband Push-to-Talk (PTT) industry. The diagram below demonstrates how ESChat clients and third-party dispatch systems communicate seamlessly over terrestrial and satellite wireless networks, as well as via wireline connections and gateway interfaces.

    // Let’s discuss how we can help your business move forward.

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