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Connection failed
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There was no receiver on the other end of the call to connect to.
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Document generation error
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There was an error while generating the document. This could be due to the file being deleted before sending.
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Failed to train with any of the compatible modems
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A remote fax machine was detected, but the sending and receiving modems could not establish communication.
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Fax transmission not established
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We could not detect a remote fax machine. This could be due to there being no fax machine on the receiving end, or a lack of call clarity.
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Log entry lost
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The call started, but the log entry for the call was lost / incomplete. In practice, this should be rare and may indicate a system problem.
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No response after sending a page
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The remote fax machine did not acknowledge that a page of the fax was received. Depending on the remote machine's behaviour, it may have still printed the page and any preceding pages.
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Received no response to DCS or TCF
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The bulk fax service could not successfully determine the remote machine's fax capabilities.
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The call dropped prematurely
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The call dropped due to a non-fax transmission error. It is likely that the receiver hung up.
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The HDLC carrier did not stop in a timely manner
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The fax service initiated a fax transmission with the receiver, but there was a synchronization (timing) error that could not be resolved.
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Timed out waiting for initial communication
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A call was established with the receiver and the bulk fax service attempted to establish a fax session, but there was no fax response from the receiver. This could be due to there being no fax machine on the receiving end, or a lack of call clarity.
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Timed out waiting for the first message
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A call was established with the receiver and the fax service attempted to establish a fax session, but there was no fax response from the receiver. This could be due to there being no fax machine on the receiving end, or a lack of call clarity.
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Unexpected DCN while waiting for DCS or DIS
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The remote fax machine unexpectedly sent a disconnect message when the fax service asked for the remote fax machine's fax capabilities.
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Received bad response to DCS or training
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An unexpected message was received when the bulk fax service asked for the remote fax machine's fax capabilities.
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Invalid response after sending a page
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An unexpected message was received after successfully sending a page. Depending on the remote machine's behaviour, it may have still printed the sent page and any preceding pages.
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Disconnected after permitted retries
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The fax service attempted to send the same message multiple times unsuccessfully. This may be due to a call clarity issue.
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Far end cannot receive at the resolution of the image
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The remote fax machine does not support receiving faxes sent at the resolution that our service sends at.
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Received a DCN from remote after sending a page
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The remote fax machine responded with a disconnect message after a page was sent successfully. Depending on the remote machine's behaviour, it may have still printed the sent page and any preceding pages.
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Unexpected message received
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The fax service received a message that it did not expect given the current context.
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Received other than DIS while waiting for DIS
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The fax service expected to receive the remote fax machine's fax capabilities, but received an unexpected message instead.
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Unexpected DCN after EOM or MPS sequence
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The remote fax machine disconnected unexpectedly after receiving a page of a multipage fax. Depending on the remote machine's behaviour, it may have still printed the sent page and any preceding pages.
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Document loading error
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The fax service attempted to generate the message to send, but a document was missing.
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Invalid ECM response received from receiver
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The fax service received an invalid error correction message from the remote fax machine.
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Unexpected DCN after RR/RNR sequence
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The remote fax machine disconnected unexpectedly after indicating that it was not ready to initiate a fax session.
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