5.3 Nodelist flags

     Most of the system entries in the nodelist contain one or more
     capability flags to indicate the system's capability. These are a
     few of the flags and their meaning:

         CM      System accepts mail 24 hours a day.
         MO      System does not accept human (BBS) callers.
         V32     CCITT V.32 capable modem.
         V32B    CCITT V.32bis capable modem (implies CCITT V.32
                 capability).
         V42     LAP-M error correction w/fallback to MNP 1-4.
         V42B    LAP-M error correction w/fallback to MNP 1-5.
         HST     US Robotics HST modem (implies MNP capability).
         MAX     Microcom AX/96xx series modem.
         PEP     Capable of supporting the Packet Ensemble Protocol
                 (PEP).
         XA      Bark and WaZOO file/update requests (all systems
                 using FrontDoor 2.01 or above should have this).