| The dialer
map class is an optional element that defines specific
characteristics for a call to a specified dial string.
For example, the map class for one
destination might specify an ISDN speed of 56 Kbps, whereas a map
class for a different destination might specify an ISDN
semipermanent connection. The dialer map class can also contain
optional dialer-timing parameters, including dialer fast-idle,
dialer idle-timeout, and dialer wait-for-carrier-time. A map class
is an optional element of a dialer profile and can be used by (or
referenced from) multiple dialer interfaces.
Map classes are optional; they are
used to specify different characteristics for different types of
calls on a per-destination basis.
Figure
shows the usefulness of map class. Calls to three different
destinations require many parameters that are the same from one destination to another.
Instead of reentering these commands under each of the concerned
dialer interfaces, it is being told to refer itself to the map class
for further configuration parameters. As you can see, the same map
class can be used for multiple dialer interfaces. The configuration
parameters of a map class are specific to one or more destinations.
After the interface is configured, an
optional dialer map class can be defined. In the Figure,
the dialer interface dialer3 is associated with map class Eng. Any
dialer associated with this map-class sets the ISDN line speed to 56
Kbps. In the Figure, you can see that dialer 2 and dialer 3
both are associated with map-class Eng.
You can use the map-class
dialer class-name
command to specify a map class and enter the map-class configuration
mode.
In this example, the dialer isdn
speed 56 command specifies an ISDN bit rate of 56
Kbps for use
in the map class. You can set the speed to 56; 64 is the default
value.
Additionally, the other map class
commands listed in the Table
are available in map-class configuration mode.
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