Case study

Continuous Availability for 9-1-1 Services | Allegheny County Emergency Services

Stratus delivers continuous availability for multi-jurisdictional police, fire and emergency services

Allegheny County, Pennsylvania’s Public Safety Telecommunicators handle close to 1.5 million emergency and non-emergency calls annually, an average of more than one per county resident. Daily call volumes of 4,500 to 5,000 are not unusual. The scale of operations and infrastructure required to support this multi-agency, multi-jurisdictional Emergency Services 9-1-1 Division places it among the nation’s top-tier public safety dispatch authorities. The Center dispatches the 91 police, 167 Fire and 46 EMS agencies that serve and protect 130 municipalities in a 731-square mile area, the largest city being Pittsburgh.

Quick Facts

Solution Profile

  • Fire, Police, and EMS dispatch serving 130 municipalities over 731 square miles
  • Primary and DR centers fully integrated and synchronized in real time
  • UNIX® to industry-standard solution migration
  • 99.99 percent uptime was RFP requirement
  • CAD, remote CAD, mobile, Web query, PRM, system interface require continuous availability


  • Stratus® ftServer® systems
  • Stratus ftScalableTM storage
  • Microsoft® Windows Server® operating system
  • Microsoft SQL Server® database software
  • VMware® vSphereTM virtualization software


  • Stratus support services