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4 – Appendices NET SatisFAXtion 8.6 Manual 184
27986 Remote fax cannot receive: The remote fax device is configured to
not receive faxes. Error type: NON_RETRYABLE .
27987 Can’t agree on bit rate: The modem and the remote unit couldn’t
fall back to or agree upon any bit rate. This is most often caused by poor line
condition. Error type:
NON_RETRYABLE .
27988 Wrong response after training: After sending 1.5 seconds of
training data, the remote unit should have sent a CFR or FTT frame. It sent
something else. Error type:
RETRYABLE .
27989 No FTT or CFR received after 3 DCS/training sequences:
The call connected and T.38 communication was established. The receiving and
sending devices exchanged CSI/DIS and TSI/DCS/training signals. After that,
the receive side is expected to send a CFR (confirmation) or FTT (failure to train),
it did neither. Handshaking was attempted and failed twice more, at which point
IPFax terminated the call. Error type:
RETRYABLE .
27990 No response after sending 3 end of page commands: After
reaching the end of the page, IPFax sends an end-of-page command (MPS) and
expects to receive an acknowledgment (MCF) from the remote device. IPFax did
not receive the MCF and attempted to resend it twice more. After the third
failure to respond, IPFax terminated the call. This can be caused by the remote
device hanging up without notifying the TDM network (POTS lines lack such
notification), line impairment such that the gateway could not detect and
encode the MCF command, line noise such that our MPS was not detected by
the remote device, or packet loss such that either the MPS or the response MCF
was lost, or latency such that the MCF or MPS was delayed. In the case of
packet loss, insure that low-speed redundancy is enabled. Error type:
RETRYABLE .
27991 Invalid response after end-of-page: After sending the end of
page command to the remote, the remote should have sent a MCF, PIP, RTP,
PIN, or RTN response. It sent something else. Error type:
RETRYABLE .
27992 Receiver sent DCN: Normally, the receiver should never send a DCN
disconnect signal. This could be due to line impairment causing a timeout on
the receive side, or a user manually pressing a cancel button on the receiving
fax machine. Error type:
RETRYABLE .
27993 Remote device does not suppor t fax: The remote modem
indicated it is not capable of faxing. Error type: NON_RETRYABLE .
27994 Invalid response to ECM block: The valid responses from the
remote following the transmission of an ECM block should be RNR, PPR or MCF.
Some other signal was received. Error type:
NON_RETRYABLE .
27995 Remote fax not ready for next page: The T5 timeout (60
seconds ± 5 seconds) occurred while exchanging RR and RNR signals for an
ECM send. Error type:
RETRYABLE .
27996 No response to ECM end-of-page: The sender had received a
RNR at which time it responds with an RR signal. It then expects the remote to
send either a RNR or an MCF within T4 seconds. There was no response
received. Error type:
RETRYABLE .
27997 No more baud rates to tr y: After a 4th ppr signal is received, a CTC
signal is sent so as to step down the baud to the next configured baud rate. All
configured baud rates have been exhausted. Error type:
RETRYABLE .