Leading the Industry in Telephone Product Performance Testing

  • Network Interface
    • Network Dialing and Signaling (TIA-470.230-C)
    • Alerter detection and non-response (TIA-470.220-D)
    • Resistance and Impedance (TIA-470.210-D)
    • DC Signaling and Events
  • Caller-ID and VMWI (TIA-777-A)
    • Type 1 On-hook CID
    • VMWI
    • Message Format
  • Radio Frequency Immunity (RFI) (TIA-631-A)
  • Environmental (TIA-571-B)
    • Lightning Immunity
    • Electro-Static Discharge (ESD)
    • AC Power Variations
    • Temperature and Humidity
    • Drop Testing
    • Vibration
  • Common Mode Noise Susceptibility (Based on Bell Labs Loop Noise Survey)