The Destination Name and Source Name
are 16 character NetBIOS names.
The following NetBIOS Commands may
appear in the COM field:
| Frame Name | Frame | Function Code |
| ADD GROUP_NAME_OUERY | Ox00 | Checks for duplicate group names on network |
| ADD_NAME OUERY | Ox01 | Checks for duplicate names on network |
| NAME_IN CONFLICT | 0x02 | Duplicate names detected |
| ADD NAME RESPONSE | 0x0D | Negative response indicates that added name is duplicate |
| NAME OUERY | 0x0A | Requests location of a name on a network |
| NAME RECOGNIZED | 0x0E | Name recognized in answer to NAME OUERY |
| SESSION ALIVE | 0xlF | Verifies that session is still active |
| SESSSION CONFIRM | 0x17 | SESSION INITIALIZE acknowledgment |
| SESSION END | 0x18 | Session termination |
| SESSION INITIALIZE | 0x19 | Sets up a session |
| DATA ACK | 0x14 | DATA ONLY LAST acknowledgment |
| DATA FIRST MIDDLE | 0x15 | Session data message (first or middle frame) |
| DATAGRAM | 0x08 | Application-generated datagram |
| DATAGRAM_BROADCAST | 0x09 | Application-generated broadcast datagram |
| DATA ONLY_LAST | 0x16 | Session data message (only or last frame) |
| NO_RECEIVE | 0xlA | No receive command to hold received data |
| RECEIVE CONTINUE | 0xlC | Indicates receive outstanding |
| RECEIVE OUTSTANDING | 0xlB | Retransmits last data |
| STATUS OUERY | 0x03 | Requests remote node status |
| STATUS RESPONSE | 0x0F | Remote node status information |
| TERMINATE_TRACE REMOTE | 0x07 | Terminates traces at remote nodes |
| TERMINATE_TRACE LOCAL_REMOTE | 0x13 | Terminates traces at local and remote nodes |