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Chapter 5: Configuration
Speech
Speech directs the call control software to request a
Audio
Audio directs the call control software to request a 3.1 kHz audio circuit as the bearer capability for outgoing calls. The Audio option is used with an ISDN line configured for voice service. In some areas audio service is less expensive than data service. Selecting an Audio call type guarantees a digital
Data 56 kbps
Data 56 kbps directs the call control software to request a 64 kbps data circuit that is
Data 64 kbps (default)
The default Call type for ISDN service is Data 64 kbps. This directs the call control software to request an unrestricted 64 kbps circuit.
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