Gateway device testing includes performance tests for analog and digital interfaces. Additional performance requirements are provided for Environmental considerations.

• Idle State: FXO Port Operational Performance
  • Electrical Interface (TIA-470.210-D)
    • Impedance and Resistance
    • DC Voltage Operating Range
    • Non-Response to PSTN Line Maintenance Signals
  • Operation When First Connected to a Telephone Line (TIA-968-B)
  • Visual Message Waiting Indicator (VMWI) Reception (TIA-777-A)
  • Cross-talk Protection Performance (TIA-912-B)
• Alerting State: FXO Port Operational Performance
  • Electrical Interface (TIA-470.210-D)
  • Ring Detection (TIA-470.220-D)
  • Auto-Answer Timing
  • Caller-ID Reception (TIA-777-A)
• Talk State: FXO Port Operational Performance
  • Electrical Interface (TIA-470.210-D)
  • Non-Response to DC Signals
  • Parallel Phone Off-hook
  • Line State Transitions – Port Release after BYE: Message
  • FXO Port Selection for Outgoing Calls and Disconnect Timing
  • Emergency Call (911) FXO Port Takeover
  • Dialtone and Stutter Dialtone Signal Detection
  • FXO Port Speech Path Connection Delays
  • Flash Signal Generation
  • Detection of Timed Disconnect Signal (TDS)
  • Talk State Transition Interruption From Ring-Trip Delays
  • Caller-ID With Call Waiting Reception
  • Call Waiting Reception
  • Call Progress Signals Detection
  • Call Progress Signals Generation (Call state and RFC 2833)
  • Cross-talk Protection (TIA-912-B)
  • DTMF Detection and Generation
  • Speech Path (TIA-912-B)
  • Echo Control
  • Data Transmission (TIA-912-B)
• 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)