Engineering & Design

Voice Over Internet Protocol

At the heart of our success is our team of subject matter experts, with a wealth of experience in leading some of the most complex transit programs around the world. Our experts bring a significant understanding of the challenges associated with the construction of high-speed and electrified transit systems, allowing us to provide the best solutions to our clients. Our technical expertise include the construction and maintenance of track, traction power, 25kV OCS, SCADA and comms, train control and substations (AC&DC). We are well informed with lessons learned from projects around the world including California High Speed Rail, Caltrain Peninsula Corridor Electrification Project, Network Rail High Output Track Renewals Program and Systems Integration at Los Angeles World Airport People Mover. In an era marked by technological advancements, United ECM remains at the forefront of innovation in transit systems. The company continually integrates cutting-edge solutions and best practices into its oversight approach, ensuring that clients benefit from the latest developments in the field.
Intelligent Voice Systems for Operational Efficiency

We provide VoIP solutions tailored for transit and utility environments where clear, secure, and reliable communication is mission-critical.

Our VoIP design services include:

  • ► Redundant VoIP server architecture

  •  Integration with PIDS and emergency systems

  •  QoS and bandwidth optimization

  •  Unified voice-data-video network planning

Innovation Highlight:

We deploy network simulation tools to predict VoIP call quality under real-world stress, ensuring your communications stay clear and compliant, even during peak operations or emergencies.