Comtrol AT Command Set Rev A - Manual (Page 187)

AT Commands Reference Manual
100722B Conexant 5-15
5.4 Service Class 2 DCE Responses
The DCE sends information responses to the DTE as a facsimile session proceeds. They
indicate the state of the facsimile session and convey needed information. These
messages are solicited messages generated in execution of DTE action commands
described in Section 6.3.
The DCE precedes and follows the information responses with <CR><LF>.
The DCE provides the on-line status of several session parameters when they are
available during T.30 handshaking. These include the remote ID string and the DIS/DCS
parameters. These responses report the T.30 session parameter frames. The
subparameters are described in Table 5-2.
5.4.1 +FCON - Facsimile Connection Response
+FCON indicates connection with a fax machine. It is released by detection of HDLC
flags in the first received frame. +FCON is generated in response to an Originate or
Answer command.
5.4.2 +FDCS: - Report Current Session Capabilities
Syntax: +FDCS:VR,BR,WD,LN,DF,EC,BF,ST
+FDCS:<string> reports the negotiated parameters. Phase C data will be formatted as
described by the subparameters. This message may be generated in execution of +FDT or
+FDR commands before the CONNECT result code if new DCS frames are generated or
received. (See Table 5-2.)
5.4.3 +FDIS: - Report Remote Station Capabilities
Syntax: +FDIS:VR,BR,WD,LN,DF,EC,BF,ST
+FDIS:<string> reports remote facsimile station capabilities and intentions. The
parameters are provided in ASCII notation. (See Table 5-2.)
This message is generated in execution of Originate, Answer, +FDT, or +FDR
commands.
5.4.4 +FCFR - Indicate Confirmation to Receive
Syntax: +FCFR
The DCE sends a +FCFR response to the DTE upon reception of an acceptable TCF
training burst and a valid DCS signal from the remote machine. This indicates that the
DCE will receive Phase C data after the remote station receives the local DCE's CFR
message. The +FCFR message is generated in execution of a +FDR command.
5.4.5 +FTSI: - Report the Transmit Station ID
Syntax: +FTSI: “<TSI ID string>” Transmit Station ID
This response reports the received transmit station ID string, if any. This message is
generated in execution of Originate, Answer, +FDT, or +FDR commands.