Int 7F Fn 06  - G8bpq V4.00+ - Host Mode - Session Control                 [N]

   AH = 06h
   AL = stream number (01h-40h)
   CX = subfunction
       0000h connect to node
       DL bit 0: use BBS callsign instead of Node Call
       0001h connect to node
       use BBS Call if APPLMASK=1
       0002h disconnect
       0003h return user to node

See Also: AH=01h"G8BPQ",AH=04h"G8BPQ"