Cisco 3640 Series Manuale d'uso - Pagina 25

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Cisco 3640 Series Manuale d'uso
isdn incoming-voice
To route all incoming voice calls to the modem and treat them as analog data, or to ensure that calls
bypass the modems and are treated as digital data, use the isdn incoming-voice interface
configuration command. Use the no form of this command to disable the setting.
Syntax Description
data
modem
56
64
Default
isdn incoming-voice data 64
Command Mode
Interface configuration
Usage Guidelines
This command first appeared in Cisco IOS Release 11.1. It became available for BRI interfaces in
Cisco IOS Release 12.0(2)XC and Cisco IOS Release 12.0(3)T.
Unless you specify otherwise, all calls received by the router and characterized as voice calls are
treated as normal ISDN calls, which are handled as digital data and not passed over to the modem.
To establish speedier connections for analog calls to the router, use the isdn incoming-voice
command with the modem keyword to have voice calls routed through digital modems (as
pulse-code modulated analog data) instead of being treated as digital data.
Example
The following example routes all incoming voice calls through the modem as analog data:
isdn incoming-voice {data [56 | 64] | modem [56 | 64]}
no isdn incoming-voice {data [56 | 64] | modem [56 | 64]}
Specifies that incoming voice calls bypass the modems and are handled
as digital data.
Specifies that incoming voice calls are passed over to the digital
modems, where they negotiate the appropriate modem connection with
the far-end modem.
Specifies that the bandwidth for this connection is 56 kbps.
Specifies that the bandwidth for this connection is 64 kbps. If no
argument is entered for either the data or modem keywords, the default
value is 64.
interface BRI 0/0
isdn incoming-voice modem
Modem over ISDN BRI for the Cisco 3640 Router 25
isdn incoming-voice