Avaya Configuring Dial Services Manual de usuario Pagina 182

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Configuring Dial Services
9-10
117353-B Rev. 00
Modifying the Line Media Type and Cable Type
You can define the media type and cable type for serial interfaces only. You
already set the media type in Chapter 2, “Starting Dial Services Using Site
Manager” or Chapter 3, “Starting Dial Backup Using the BCC.”
The media type specifies the signaling method that the router uses to interact with
the modem. The cable type indicates the physical interface type supported by the
attached dial device.
The next sections explain how to modify the media type.
Using the BCC
To modify the media type for dial backup interfaces, navigate to the serial prompt
and enter:
media-type
<
type
>
type can be:
raise-dtr - A signaling method that enables access to the network by
preprogramming the destination phone numbers into the dial device. Raise DTR
signaling works with any of these interfaces: X.21, V.35, RS-232, and RS-422.
v25bis -- A signaling method that enables access to the network by passing the
destination phone numbers from the router to the dial device. Using V.25bis, the
dial device can use multiple phone numbers to call multiple destinations. V.25bis
signaling works with any of these interfaces: X.21, V.35, RS-232, and RS-422.
hayes -- A signaling method that enables access to the network by passing the
destination phone numbers from the router to the dial device. Hayes signaling is
for asynchronous PPP and works with RS-422 and V.34 interfaces. To use Hayes
as the serial media type, you must also specify a modem initialization string. The
router sends this string to the modem to initiate a call.
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