AUXILIARY SUMMARY FOR FAX FUNCTION
A3.5 Answering and Receiving a Single Page Facsimile (cont.)
DTE commands
DCE responses
AT+FTH=3
CONNECT
<MCF frame data>
<DLE><ETX>
OK
AT+FTH=3
CONNECT
<DCN frame data>
<DLE><ETX>
OK
AT+FRH=3
NO CARRIER
ATH0
OK
Local DCE
Remote Station
action
Action
send V.21 carrier
drop carrier
send flags
send MCF frame
send FCS
drop carrier
receives carrier
send V.21 carrier
detect flags
send flags
receives DCN
send DCN frame
receives FCS
send FCS
accepts FCS
detect loss of
drops carrier
carrier
hang up
A3-9
Notes
final frame
end of session