Become superuser or assume an equivalent role.
Roles contain authorizations and privileged commands. For more information about roles, see Configuring RBAC (Task Map) in System Administration Guide: Security Services.
# uustat -q
Call over a particular line and print debugging information on the attempt.
The line must be defined as direct in the /etc/uucp/Devices file. You must add a telephone number to the end of the command line if the line is connected to an autodialer or the device must be set up as direct. Type:
# cu -d -lline
line is /dev/cua/a.