SmarTrunk II/Xpress™
Wide Area Networking Switch

Although “Trunk” is part of our name and our 14-year focus has been on trunking products, SmarTrunk can not only create feature-rich single- or multi-site trunking systems, but can also add many features to single-repeater systems. Adding the full-featured ST-510 can make your radio system much SmarTer !!!

The ST-510 is a Wide Area Networking Switch that was designed to expand the capabilities of the SmarTrunk Xpress or SmarTrunk II system. With the addition of the ST-510 to your system, you can now have features such as: (Please note that many of these features may require optional hardware, software and/or operating firmware).
  • Multi-site, wide area roaming capability
  • Digital Voice Mail
  • Call Forwarding
  • Call Transfer
  • Toll Restriction
  • Emergency Routines
  • Complete Management Reporting
  • Critical information for subscribers (for example, traffic and weather reports)
  • Call queuing
  • Optional stand-alone or networked Dispatch Console offers intuitive operation
  • Optional Voice logging for security purposes
  • Voice prompts
  • Operator assistance for lost calls
  • Voice scrambling available in some radio models
  • Radio “Emergency Alert” Compatibility
  • Offer subscribers wide area coverage



SmarTrunk ST-853/ST-510
(click the image to enlarge)

The ST-510 also adds valuable features to the basic SmarTrunk II and SmarTrunk Xpress protocol:

  • Over the air activation of new subscribers
  • Automatic Routing Code selection
  • Sharing of PSTN Resources
  • Larger Call Record database
  • More customer profiles available
  • More Subscriber ID codes
  • Local & remote system management
  • Remote system access
  • DID (Direct Inward Dialing) Interface
  • Comprehensive Billing Software
  • Easy to expand existing SmarTrunk II system
  • Economical to expand channels and/or sites
  • Link up to 32 individual SmarTrunk II sites, and unlimited SmarTrunk Xpress sites into a single, integrated network
  • Single channel systems can be upgraded to offer selective and group calling along with very Smart PABX/PSTN interface
  • Decentralized protocol does not require exclusive channels
  • Compatible with most new or existing repeaters and most popular radio brands
  • Users in even a single repeater system can be split into work group
  • Independent repeaters in a system can be trunked together
  • Remote roaming sites can consist of one or more channels
  • Simplified multi-site link requirements
  • Remote site telemetry

A system's menu of features and services can be expanded in building-block fashion. As a system expands, existing hardware is used. This keeps expansion costs below that of competitive systems.
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With SmarTrunk Xpress Protocol, a SmarTrunk System can incorporate new features like: Alphanumeric Caller ID, Voice Encryption, Speed Dialing from up to 75 contacts Contact Book's, and many more !! Read about this here.