Telephone digital device testing includes performance tests for narrowband and wideband handset, handset and speakerphone telephones and in addition network interface and signaling. Additional performance requirements are provided for cordless, Caller-ID and Environmental considerations.

• Acoustics
  • Handset (TIA-810-B, TIA-920.110-A)
  • Headset (TIA-810-B, TIA-920.130-A)
  • Speakerphones (TIA-810-B, TIA-920.120-A)
  • Conference Speakerphones (TIA-810-B, TIA-920.120-A, AST Custom)
  • AST Custom test procedures
    • Specialized, proprietary products
    • 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
  • Hookswitch Timing (Disconnect and Flash)
  • Call Progress Signals Generation (Call state and RFC 2833)
  • Acoustic Ringer Performance
  • DTMF and Call Set-up Processing
  • Caller-ID Reception and Display
  • Device Response Timing to User Inputs Performance
• Caller-ID and VMWI (TIA-777-A)
• 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