To script mounting a volume shared from an NT server:

mount volume "smb://;:@/"

Substitute actual values for

So for example:

mount volume "smb://WORKGROUP;zaphod:42@192.168.0.1/shared_stuff"

would mount the contents of shared_stuff (a shared folder or drive)
on the machine at IP address 192.168.0.1
part of the workgroup named WORKGROUP
logging in as user zaphod with password 42