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[Home](https://www.t-mobile.com/business) 2. [Solutions](https://www.t-mobile.com/business/solutions) 3. [Productivity](https://www.t-mobile.com/business/solutions/productivity) 4. [Push-To-Talk](https://www.t-mobile.com/business/solutions/productivity/push-to-talk) 5. Mission Critical Push-To-Talk # Mission Critical Push-to-Talk (MCPTT). Mission Critical Push-to-Talk (MCPTT) leverages our 5G network to extend Push-to-Talk capabilities to first responders and critical infrastructure organizations beyond traditional Land Mobile Radio (LMR) systems. Contact us , opens in a new window ## Mission Critical Push-to-Talk (MCPTT). ## Explore the benefits of Mission Critical Push-to-Talk solutions. - __Priority and preemption:__ Leverage T-Priority on the T-Mobile nationwide 5G network for critical communications. - __Enhanced situational awareness:__ Use location-based services, including dynamic area-based TalkGroups, live video streaming, and messaging. - __Land Mobile Radio interoperability:__ MCPTT enables communication with any LMR system, bridging group communications between users. - __Satellite connectivity:__ Expand your coverage with MCPTT and T-Satellite, staying connected even in the most remote areas. - __Remote user management:__ Easily check remote users, disable, or re-enable the app if a device is misplaced or compromised. - __Dedicated PTT-only device__: Experience mission-critical communications without distractions with our Siyata PTT-only device, designed as a true LMR replacement. T-Priority: For emergency response organizations. Coverage not available in some areas and may be impacted by emergencies; check your response area. WPS enrollment with USDHS required for enhanced network functionality (including priority access, preemption, basic performance baseline, and T-Priority Slice features). Features available on our network; not available while roaming. T-Satellite: Texting & select satellite-ready apps with compatible device in most outdoor areas in the U.S. where you can see the sky. Satellite service, including text to 911, may be delayed, limited, or unavailable. WHEN EVERY SECOND COUNTS ## Real-time, prioritized, and secure communication. ### MCPTT. - Private, group, broadcast, and background calling. - Real-time presence, location tracking, and geofencing. - Instant call alerts, secure messaging, voice message fallback, and emergency calling and alerting. - Dynamic area-based TalkGroups1—members are added as they enter into defined areas. - MCX TalkGroups allow 300,000 members with up to 3,000 users affiliated. - Secure end-to-end encryption. - TalkGroup and user profiles to manage large deployments. - Streaming video and LMR interoperability optional add-ons. ### MCPTT Advanced. - All the benefits of the Mission Critical Push-to-Talk solution with added features to enhance communications. - Operational status messaging, remote user check and monitoring. - Ambient and discreet listening. - Seamless LMR interoperability. - Affiliation monitoring, remote TalkGroup select1, simultaneous PTT and video sessions. - Streaming video optional add-on. 1. Desktop Dispatch managed features. ## Key features.  ### Desktop Dispatch. [Desktop Dispatch.](https://www.t-mobile.com) Desktop Dispatch. The Desktop Dispatch service allows dispatchers to enhance their communications and awareness across the organization. ## Desktop Dispatch.  ### Corporate Administration Tool. [Corporate Administration Tool.](https://www.t-mobile.com) Corporate Administration Tool. A web portal that simplifies Push-to-Talk network management, bringing traditional radio code plug programming to the cloud for instant updates. ## Corporate Administration Tool.  ### Land Mobile Radio interoperability. [Land Mobile Radio interoperability.](https://www.t-mobile.com) Land Mobile Radio interoperability. With interoperability between LMR systems, broadband PTT, and applications, first responders can eliminate barriers and unify communications. ## Land Mobile Radio interoperability.  ### Supported devices. [Supported devices.](https://www.t-mobile.com) Supported devices. With a variety of device options to choose from, you can easily select your MCPTT devices to fit the needs of your teams. [Get full device list](https://www.t-mobile.com/business/solutions/productivity/push-to-talk/mission-critical-push-to-talk-devices) ## Supported devices.  ### Enhancing rapid response with T-Priority and MCPTT. [Enhancing rapid response with T-Priority and MCPTT.](https://www.t-mobile.com) Enhancing rapid response with T-Priority and MCPTT. In an emergency, there’s no time for radio silence. Empower first responders with fast, secure, reliable communications they can count on.  [Learn more](https://www.t-mobile.com/business/t-priority/mission-critical-push-to-talk-service) ## Enhancing rapid response with T-Priority and MCPTT. ### FAQs. - ### What are the OS and browsers that are supported for Desktop Dispatch? Operating systems : - Windows 10 64-bit OS only - Windows 8 64-bit OS only Supported browsers:  - Google Chrome - Firefox - Microsoft Edge (Chromium-based, requires Chrome extensions) - ### Can Direct Connect integrate with existing LMR (Land Mobile Radio) systems? Yes. We offer interoperability solutions so organizations can bridge Direct Connect with legacy LMR systems during transitions or hybrid deployments. - ### What are the different ways I can connect my LMR system to leverage LMR Interoperability? LMR networks can connect to T-Mobile Direct Connect services through Radio over IP (RoIP) boxes from Cubic & JPS, CSSI, ISSI connections as well as Motorola Critical Connect. - ### What makes T-Mobile Direct Connect “mission critical”? It’s built to meet 3GPP MCPTT standards, providing: - Prioritized network access and preemption for authorized users critical communications. - End-to-end encryption. - Low-latency group and one-to-one calls. - Seamless handoff between LTE, 5G, and Wi-Fi. - ### Can users communicate across different device types? Yes. Direct Connect works across smartphones, tablets, rugged handhelds, and compatible dispatch consoles. Teams can connect whether they’re using Android or iOS devices. - ### Does Direct Connect support group and emergency calls? Absolutely. Users can create dynamic TalkGroups, make ad-hoc calls, and trigger emergency broadcasts or alerts with a single press of a button. - ### Does Direct Connect MCPTT work with T-Satellite? Yes, Direct Connect works on T-Satellite and will give a clear Connected-to-Satellite status with the following features: - Push-to-X Secure Messaging (text, images, video, files, audio, location). - PTT button switches to a voice messaging feature. - Emergency alerts with location and operational status messages. ## Let’s chat. 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