Automatically Switching to T.38 Mode without SIP re-INVITE
In the Automatically Switching to T.38 mode without SIP re-INVITE, when a fax signal is detected, the channel automatically switches from the current voice coder to answer tone mode and then to T.38-compliant fax relay mode.
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To configure Automatic T.38 mode: |
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1.
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On the Fax/Modem/CID Settings page, configure the 'Fax Transport Mode' parameter to T.38 Relay [FaxTransportMode = 1]. |
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2.
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Configure the following optional parameters: |
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'Fax Relay Redundancy Depth' [FaxRelayRedundancyDepth] |
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'Fax Relay Enhanced Redundancy Depth' [FaxRelayEnhancedRedundancyDepth] |
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'Fax Relay ECM Enable' [FaxRelayECMEnable] |
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'Fax Relay Max Rate' [FaxRelayMaxRate] |