Avaya VoIP Business Phone Systems

Line | Analog Options

This tab covers analog line specific settings.

Settings

• Channel:
  Set by the system. Shown for information only.

• Trunk Type: Default = Loop Start
  Sets the analog line type (Ground Start, Loop Start, Loop Start ICLID, Out of Service).

• • Ground Start
    Ground Start is only supported on trunks provided by the Analog Trunk 16 expansion module. It requires that the module and the IP Office control unit are grounded. Refer to the IP Office installation manual.

  • Delay Waiting for Caller ID Information.
    As the IP Office can use ICLID to route incoming calls, on analog Loop Start ICLID trunks there is a few seconds delay while ICLID is received before the call routing can be determined.

• Signaling Type: Default = DTMF Dialing
  Sets the signaling method used on the line (DTMF Dialing or Pulse Dialing).

• Direction: Default = Both Directions
  Sets the allowed direction of operation of the line (Incoming, Outgoing or Both Directions).

• Bearer: Default = Any
  Sets the type of traffic carried by the line (Voice, Data or Any).

• Impedance: Default = 900R [Brazil locale only]

• Allow Analog Trunk to Trunk Connection: Default = Not selected (Off).
  When not enabled, users cannot transfer or forward external calls back off-switch using an analog trunk if the calls was originally made or received on another analog trunk. This prevents transfers to trunks that do not support disconnect clear.

• BCC: Default = Not selected [Brazil locale only]

• Secondary Dial Tone: Default = Off
  Configures the use of secondary dial tone on analog lines. This is a different mechanism from secondary dial tone using short codes. This method is used mainly within the Russian locale. When selected, the following additional settings are accessible:

• • Await time: Default = 3000ms, Range = 0 to 25500ms.
    Used when secondary dial tone (above) is selected. Sets the delay.

  • After n Digits: Default = 1, Range = 0 to 10.
    Sets where in the dialing string, the delay for secondary dial tone, should occur.

  • Matching Digit: Default =8, Range = 0 to 9.
    The digit which, when first matched in the dialing string, will cause secondary dial tone delay.

• Long CLI Line: Default = Off
  The CLI signal on some long analog lines can become degraded and is not then correctly detected. If you are sure that CLI is being provided but not detected, selecting this option may resolve the problem.

• Modem Enabled: Default = Off
  The first analog trunk on Small Office Edition controls units and on ATM4 trunk cards can be set to modem operation (V32 with V42 error correction). This allows the trunk to answer incoming modem calls and be used for system maintenance. When on, the trunk can only be used for analog modem calls. The default system short code *9000* can be used to toggle this setting. For the Small Office Edition control unit, when on, the control unit status LED flashes alternate red/green.

• Ring Persistency: Default = Set according to system locale, Range = 0 to 2550ms.
  The minimum duration of signal required to be recognized.

• Ring Off Maximum: Default = Set according to system locale, Range = 0 to 25500ms.
  The time required before signaling is regarded as ended.

• Flash Pulse Width: Default = 500ms, Range = 0 to 2550ms.

• DTMF Mark: Default = 80 (80ms), Range = 0 to 255.

• DTMF Space: Default = 80 (80ms), Range = 0 to 255.

• Intermediate Digit Pause: Default = 500ms, Range = 0 to 2550ms.

• Voicemail Recording Level: Default = Low
  Used to adjust the volume level of calls recorded by voicemail. Options are Low, Medium and High.

• Disconnect Clear
  Disconnect clear (also known as Line Break and Reliable Disconnect) is a method used to signal from the line provider that the call has cleared. We recommend leaving this ticked to make use of the disconnect clear function if available. The IP Office also uses Tone Disconnect, which clears a analog call after 6 seconds of continuous busy or NU tone.  

• • Enable: Enables the useDefault = On of disconnect clear.

  • Units: Default = 500ms, Range = 0 to 2550ms.
    This time must be less than the actual disconnect time period used by the line provider by at least 150ms.

• Pulse Width On: Default = 40ms, Range = 0 to 255ms.

• Pulse Width Off: Default = 60ms, Range = 0 to 255ms.

• Await Dial Tone: Default = 3000ms, Range = 0 to 25500ms.
  Sets how long the system should wait before dialing out.

• BCC Flash Pulse Width: [Brazil locale only] Default = 100 (1000ms), Range = 0 to 255.

• Gains:

• • Tx (A-D): Default = 0dB
    Sets the analog to digital gain for incoming speech. Range -4.0dB to +3.5dB in 0.5dB steps.

  • Rx (D-A): Default = 0dB
    Sets the digital to analog gain for outgoing speech. Range -4.0dB to +3.5dB in 0.5dB steps.

• Echo Cancellation: Default = 16ms.
  Only useable with the ATM4 Universal trunk card. Allows settings of Off, 8, 16, 32, 64 and 128 milliseconds. The echo cancellation should only be adjusted as high as required to remove echo problems. Setting it to a higher value than necessary can cause other distortions.

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