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Cisco IOS in a Nutshell, 2nd Edition by James Boney

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Name

isdn incoming-voice — interface

Synopsis

isdn incoming-voice {56 | 64}
no isdn incoming-voice {56 | 64}

Configures

Accepts calls on the voice lines

Default

Disabled

Description

By default, incoming voice calls on data lines are not answered. This command allows you to use voice lines to transfer data by configuring the router to answer voice calls, which can result in significant savings in some areas. The call speed can be either 56 or 64; if no speed is specified, the speed is set to the incoming call’s speed.

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