T30_DIS |
Initial identification messages
From the called to the calling terminal. |
T30_CSI |
Digital identification signal |
T30_NSF |
Called subscriber identification |
T30_DTC |
Non-standard facilities
Commands to send
From a calling terminal wishing to be a receiver, to a called terminal which is capable of transmitting. |
T30_CIG |
Digital transmit command |
T30_NSC |
Calling subscriber identification |
T30_PWD |
Non-standard facilities command |
T30_SEP |
Password |
T30_PSA |
Selective polling |
T30_CIA |
Polled subaddress |
T30_ISP |
Calling subscriber internet address |
T30_DCS |
Internet selective polling address
Commands to receive
From a calling terminal wishing to be a transmitter, to a called terminal which is capable of receiving. |
T30_TSI |
Digital command signal |
T30_NSS |
Transmitting subscriber information |
T30_SUB |
Non-standard facilities set-up |
T30_SID |
Subaddress |
T30_CTC |
Sender identification
T30_TCF - Training check is a burst of 1.5s of zeros sent using the image modem |
T30_TSA |
Continue to correct |
T30_IRA |
Transmitting subscriber internet address |
T30_CFR |
Internet routing address
Pre-message response signals
From the receiver to the transmitter. |
T30_FTT |
Confirmation to receive |
T30_CTR |
Failure to train |
T30_CSA |
Response for continue to correct |
T30_EOM |
Called subscriber internet address
Post-message commands |
T30_MPS |
End of message |
T30_EOP |
Multipage signal |
T30_PRI_EOM |
End of procedure |
T30_PRI_MPS |
Procedure interrupt - end of procedure |
T30_PRI_EOP |
Procedure interrupt - multipage signal |
T30_EOS |
Procedure interrupt - end of procedure |
T30_PPS |
End of selection |
T30_EOR |
Partial page signal |
T30_RR |
End of retransmission |
T30_MCF |
Receiver ready
Post-message responses |
T30_RTP |
Message confirmation |
T30_RTN |
Retrain positive |
T30_PIP |
Retrain negative |
T30_PIN |
Procedure interrupt positive |
T30_PPR |
Procedure interrupt negative |
T30_RNR |
Partial page request |
T30_ERR |
Receive not ready |
T30_FDM |
Response for end of retransmission |
T30_DCN |
File diagnostics message
Other line control signals |
T30_CRP |
Disconnect |
T30_FNV |
Command repeat |
T30_TNR |
Field not valid |
T30_TR |
Transmit not ready |
T30_PID |
Transmit ready |
T30_NULL |
Procedure interrupt disconnect
Something only use as a secondary value in error correcting mode |
T4_FCD |
Nothing to say
Information frame types used for error correction mode, in T.4 |
T4_RCP |
Facsimile coded data |