Configuring Hook Flash
The following procedure describes how to configure various hook-flash features.
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To configure hook-flash features: |
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1.
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Configure the digit pattern used by the Tel side to indicate a hook-flash event: |
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a.
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Open the Supplementary Services Settings page (Setup menu > Signaling & Media tab > Gateway folder > DTMF & Supplementary > Supplementary Services Settings). |
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b.
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In the 'Hook-Flash Code' (HookFlashCode) field, enter the digit pattern. |
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2.
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Configure the hook-flash transport type: |
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a.
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Open the DTMF & Dialing page (Setup menu > Signaling & Media tab > Gateway folder > DTMF & Supplementary > DTMF & Dialing). |
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b.
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From the the 'Hook-Flash Option' (HookFlashOption) drop-down list, select the required transport type. |
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3.
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To configure the period by the device for detecting hook-flash initiated by analog interfaces:
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a.
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Open the Analog Settings page (Setup menu > Signaling & Media tab > Gateway folder > Analog Gateway > Analog Settings).
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b.
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Configure the following:
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'Min. Hook-Flash Detection Period' (MinFlashHookTime): Defines the minimum time (in msec) for detection of a hook-flash event from an FXS interface. Detection is guaranteed for hook-flash periods of at least 60 msec (when configuring the period to 25). The device ignores hook-flash signals lasting a shorter period of time.
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'Max. Flash-Hook Detection Period' (FlashHookPeriod): Defines the maximum hook-flash period (in msec) for Tel and IP sides for analog interfaces. For more information, see the Telprofile_FlashHookPeriod parameter in Configuring Tel Profiles.
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