A number from 0 to 255. The default value is 0. A number from 0 to 255. Use the no form of this command to delete the dialer string specified for the interface. Use the no form of this command to reset the carrier wait time value to the default.
Acceptable values are positive, nonzero integers.
The default is 30 seconds. It can be number in the range 0 through 255. Use the no form of this command to disable this feature. Enables CHAP on a serial interface. To specify a default modem chat script, use the script dialer line configuration command.