Nybsys Sentra Push to Talk

Private or hosted push-to-talk for field teams and radio networks

Updated August 23, 2026

Nybsys Sentra Push to Talk Overview

Nybsys Sentra is a push-to-talk system for field teams that need fast voice contact. It handles calls between individuals and groups, while a dispatcher can lead operations from the same platform.

Organizations can run Sentra on hosted or private servers and connect it to existing radio networks. Staff can also join from other supported endpoints. Without its backend, the downloaded app cannot operate as a standalone service.

Key Features

  • Reach users instantly — Use a supported phone as a live push-to-talk endpoint.
  • Call groups or individuals — Call one person or speak with a talk group from the same service.
  • Set speaking priority — Set floor control so selected people can speak during group calls.
  • Keep communication history — Store missed group messages and completed exchanges for later review.
  • Connect from many endpoints — Use phones, web browsers, vehicle controls, or supported dedicated hardware.
  • Protect channels — Use certificate-based key exchange and selected encryption settings for channel protection.
  • Share field photos — Send images or video to a group or dispatcher while an incident unfolds.
  • Route automated alerts — Send alarms from sensors, cameras, or man-down systems into Sentra.
  • Bridge radio networks — Connect analog, DMR, P25, or NXDN networks through a Sentra gateway.

Pricing

Plan Price Key Features
Contact sales Pricing depends on hosted or private deployment, endpoints, gateways, and integrations.

No free trial is currently listed

Pricing source: Nybsys

Pros

Competitor Pros
Motorola WAVE PTX Motorola WAVE PTX carries Motorola radio traffic onto broadband devices. Sentra supports private hosting plus gateways for analog, DMR, P25, and NXDN systems. Organizations with mixed radio fleets can shape the server and gateway setup around existing equipment instead of centering the whole deployment on Motorola hardware.
Zello Work Sentra offers private servers, browser access, vehicle interfaces, and several radio gateways, while Zello Work focuses on cloud push-to-talk with dispatch and mapping. Organizations that need to control the backend or connect varied radio systems can define more of the deployment themselves with Sentra.
NuovoTeam Sentra can keep older radio fleets in service by bridging analog, DMR, P25, and NXDN systems. NuovoTeam combines push-to-talk with broader staff tools, but it does not match Sentra’s radio bridge. Organizations with installed conventional networks can connect field apps without replacing that equipment first.
PeakPTT Sentra reaches mobile apps, web browsers, vehicle controls, dedicated devices, and installed radio networks. PeakPTT builds its service around cellular radios and dispatch. Organizations that must support several endpoint types can use Sentra without tying the whole deployment to PeakPTT’s physical radio catalogue.

Cons

Competitor Cons
Motorola WAVE PTX Motorola WAVE PTX offers its own radio line, rugged hardware, accessories, and partner services under one brand. Sentra can link installed systems, but organizations already standardized on Motorola can add WAVE PTX with fewer hardware sourcing and support decisions overall.
Zello Work Zello Work publishes subscription prices, offers a trial, and runs on common phones or computers. Sentra provides a free client download, but that app still needs a hosted or private backend and commercial terms from Nybsys. Small teams therefore face more setup and buying decisions before service can begin.
NuovoTeam NuovoTeam includes chat, video calling, location, attendance, and device management beside push-to-talk. Sentra centers on communication, dispatch, alerts, and radio gateways. A company trying to replace several workforce apps can cover both employee administration and field contact with NuovoTeam instead of adding separate tools around Sentra.
PeakPTT PeakPTT packages cellular radios, accessories, service, and dispatch together. Sentra asks buyers to choose a server model, endpoints, and any radio gateways before deployment. A fleet that wants physical push-to-talk units delivered with service has fewer integration decisions when it chooses PeakPTT.

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