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

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Name

isdn voice-priority — interface

Synopsis

isdn voice-priority ISDN-directory-number {in | out} {always | conditional |
off}
no isdn voice-priority ISDN-directory-number

Configures

The priority of data and voice calls

Default

A data call is never bumped

Description

This command allows you to set the priority of a data call relative to a voice call. ISDN-directory-number is the directory number assigned by your telephone company. in and out specify whether the command applies to incoming or outgoing voice calls. always means always bump a data call for a voice call. conditional means bump a data call if there is more than one call to the same destination. off means never bump a data call for a voice call.

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