Leading the Industry in Telephone Product Performance Testing

  • Acoustics
    • Handset (TIA-470.110-C)
    • Headset (TIA-470.130-C)
    • Speakerphones (TIA-470.120-C)
    • Conference Speakerphones (TIA-470.120-C, AST Custom)
    • AST Custom test procedures
      • Testing parameters not covered by standards (e.g. Echo)
  • Hearing Aid Compatibility (HAC) (TIA-1083-A, TIA-504)
  • Cordless
    • RF Range (TIA-470.310-D)
    • Cordless Features (TIA-470.320-C)
      • Talk-time and Standby-time
      • Multi-handset
      • Indicators (low battery, out of range)
    • Battery Charging (AST Custom)
  • Network Interface
    • Network Dialing and Signaling (TIA-470.230-C)
    • Alerter Acoustic and Response (TIA-470.220-D)
    • Resistance and Impedance (TIA-470.210-D)
  • Caller-ID and VMWI (TIA-777-A)
    • Type 1 On-hook CID
    • Type 2 Off-hook CID
    • VMWI
    • Message Format
    • CAS Detector
  • 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
  • Stutter Dial Tone Detection (TIA-855-A)
  • Answering Machine (TIA-470.330-C Draft, AST custom)
  • Common Mode Noise Susceptibility (Based on Bell Labs Loop Noise Survey)