A complete list of supported sub-services and their associated source packet formats are given below.
Optional fields are indicated by a gray box.

First Downlink Part Report (13,1)
Intermediate Downlink Part Report (13,2)
Last Downlink Part Report (13,3)
SmartDraw Drawing
Downlink Abort Report (13,4)
SmartDraw Drawing
Note: The supported reason codes are presented below under OBOSS-II Specific Reason Codes.

Downlink Reception Acknowledgment (13,5)
SmartDraw Drawing
Repeat Parts (13,6)
SmartDraw Drawing
Repeated Part Report (13,7)
SmartDraw Drawing
Abort Downlink (13,8)
    No Application data
Accept First Uplink Part (13,9)
Accept Intermediate Uplink Part (13,10)
Accept Last Uplink Part (13,11)
Accept Repeated Part (13,12)
SmartDraw Drawing
Abort Reception of Uplinked Data (13,13)
    No Application data
Uplink Reception Acknowledgment Report (13,14)
SmartDraw Drawing
Unsuccessfully Received Parts Report (13,15)
SmartDraw Drawing
Reception Abort Report (13,16)
SmartDraw Drawing
Note: The supported reason codes are presented below under OBOSS-II Specific Reason Codes.