E000-E049 : call failures
E000      : Call successful
E001      : Busy signal detected
E002      : No carrier detected
E003      : No answer from remote
E004      : No local dialtone
E005      : Invalid dialing command
E006      : Unknown problem
E007      : Carrier established, but Phase A failure
E008      : Data connection established (wanted fax)
E009      : Glare - RING detected
E010      : Blacklisted by modem
E011      : Ringback detected, no answer without CED
E012      : Ring detected without successful handshake
E013      : V.34/V.8 handshake incompatibility

E050-E099 : non Class-specific fax protocol failures
E050      : Missing EOL after 5 seconds
E051      : Procedure interrupt received, job terminated
E052      : Write error to TIFF file
E053      : fax page transmission failure

E100-E199 : Class 1-specific protocol failure
E100      : Failure to receive silence (synchronization failure).
E101      : Failure to raise V.21 transmission carrier.
E102      : No sender protocol (T.30 T1 timeout)
E103      : RSPREC error/got DCN (sender abort)
E104      : RSPREC invalid response received
E105      : Failure to train modems
E106      : RSPREC error/got EOT
E107      : Can not continue after DIS/DTC
E108      : COMREC received DCN (sender abort)
E109      : No response to RNR repeated 3 times.
E110      : COMREC invalid response received
E111      : V.21 signal reception timeout; expected page possibly not received in full
E112      : Failed to properly detect high-speed data carrier.
E113      : Received invalid CTC signal in V.34-Fax.
E114      : Failed to properly open V.34 primary channel.
E115      : Received premature V.34 termination.
E116      : Failed to properly open V.34 control channel.
E117      : COMREC invalid response to repeated PPR received
E118      : T.30 T2 timeout, expected signal not received
E119      : COMREC invalid partial-page signal received
E120      : Cannot synchronize ECM frame reception.
E121      : ECM page received containing no image data.
E122      : Remote has no T.4 receiver capability
E123      : DTC received when expecting DIS (not supported)
E124      : COMREC error in transmit Phase B/got DCN
E125      : COMREC invalid command received/no DIS or DTC
E126      : No receiver protocol (T.30 T1 timeout)
E127      : Stop and wait failure (modem on hook)
E128      : Remote fax disconnected prematurely
E129      : Procedure interrupt (operator intervention)
E130      : Unable to transmit page (giving up after RTN)
E131      : Unable to transmit page (giving up after 3 attempts)
E132      : Unable to transmit page (NAK at all possible signalling rates)
E133      : Unable to transmit page (NAK with operator intervention)
E134      : Fax protocol error (unknown frame received)
E135      : Fax protocol error (command repeated 3 times)
E136      : DIS/DTC received 3 times; DCS not recognized
E137      : Failure to train remote modem at 2400 bps or minimum speed
E138      : Receiver flow control exceeded timer.
E139      : No response to RR repeated 3 times.
E140      : COMREC invalid response received to RR.
E141      : No response to CTC repeated 3 times.
E142      : COMREC invalid response received to CTC.
E143      : Failure to transmit clean ECM image data.
E144      : No response to EOR repeated 3 times.
E145      : COMREC invalid response received to EOR.
E146      : COMREC invalid response received to PPS.
E147      : No response to PPS repeated 3 times.
E148      : Unable to establish message carrier
E149      : Unspecified Transmit Phase C error
E150      : No response to MPS repeated 3 tries
E151      : No response to EOP repeated 3 tries
E152      : No response to EOM repeated 3 tries
E153      : No response to PPM repeated 3 tries
E154      : Timeout waiting for Phase C carrier drop.
E155      : PPM received with no image data.  To continue risks receipt confirmation.
E156      : Unspecified failure to train with receiver

E200-E299 : Class 2-specific protocol failure
E200      : Unable to request polling operation (modem may not support polling)
E201      : Unable to setup polling identifier (modem command failed)
E202      : Unable to setup selective polling address (modem command failed)
E203      : Unable to setup polling password (modem command failed)
E204      : Unable to send password (modem command failed)
E205      : Unable to send subaddress (modem command failed)
E206      : Unable to restrict minimum transmit speed to %s (modem command failed)
E207      : Unable to setup session parameters prior to call (modem command failed)
E208      : Unable to set session parameters
E209      :
E210      : Unknown hangup code
E211      : Normal and proper end of connection
E212      : Ring detect without successful handshake
E213      : Call aborted,  from +FK or <CAN>
E214      : No loop current
E215      : Ringback detected, no answer (timeout)
E216      : Ringback detected, no answer without CED
E217      : Unspecified Phase A error
E218      : No answer (T.30 T1 timeout)
E219      : Unspecified Transmit Phase B error
E220      : Remote cannot be polled
E221      : COMREC error in transmit Phase B/got DCN
E222      : COMREC invalid command received/no DIS or DTC
E223      : RSPREC error/got DCN
E224      : DCS sent 3 times without response
E225      : DIS/DTC received 3 times; DCS not recognized
E226      : Failure to train at 2400 bps or +FMINSP value
E227      : RSPREC invalid response received
E228      : Unspecified Transmit Phase C error
E229      : Unspecified Image format error
E230      : Image conversion error
E231      : DTE to DCE data underflow
E232      : Unrecognized Transparent data command
E233      : Image error, line length wrong
E234      : Image error, page length wrong
E235      : Image error, wrong compression code
E236      : Unspecified Transmit Phase D error, including +FPHCTO timeout between data and +FET command
E237      : RSPREC error/got DCN
E238      : No response to MPS repeated 3 times
E239      : Invalid response to MPS
E240      : No response to EOP repeated 3 times
E241      : Invalid response to EOP
E242      : No response to EOM repeated 3 times
E243      : Invalid response to EOM
E244      : Unable to continue after PIN or PIP
E245      : Unspecified Receive Phase B error
E246      : RSPREC error/got DCN
E247      : COMREC error
E248      : T.30 T2 timeout, expected page not received
E249      : T.30 T1 timeout after EOM received
E250      : Unspecified Phase C error, including too much delay between TCF and +FDR command
E251      : Missing EOL after 5 seconds (section 3.2/T.4)
E252      : DCE to DTE buffer overflow
E253      : Bad CRC or frame (ECM or BFT modes)
E254      : Unspecified Phase D error
E255      : RSPREC invalid response received
E256      : COMREC invalid response received
E257      : Unable to continue after PIN or PIP, no PRI-Q
E258      : Command or signal 10 sec. timeout
E259      : Cannot send: +FMINSP > remote's +FDIS(BR) code
E260      : Cannot send: remote is V.29 only, local DCE constrained to 2400 or 4800 bps
E261      : Remote station cannot receive (DIS bit 10)
E262      : +FK aborted or <CAN> aborted
E263      : +Format conversion error in +FDT=DF,VR, WD,LN Incompatible and inconvertible data format
E264      : Remote cannot receive
E265      : After +FDR, DCE waited more than 30 seconds for XON from DTE after XOFF from DTE
E266      : In Polling Phase B, remote cannot be polled
E267      : No answer (ANSam detected)
E268      : No answer (CED detected)
E269      : No answer (V.8 complete)
E270      : No answer (Phase 3 complete)
E271      : No answer (Phase 3 timeout)
E272-279 (currently unused)
E280      : Procedure interrupt (operator intervention)
E281      : Unable to transmit page (giving up after RTN)
E282      : Unable to transmit page (giving up after 3 attempts)
E283      : Unable to transmit page (NAK at all possible signalling rates)
E284      : Unable to transmit page (NAK with operator intervention)
E285      : Modem protocol error (unknown post-page response)
E286      : Batching protocol error
E287      : Communication failure during Phase B/C
E288      : Communication failure during Phase B/C (modem protocol botch)

E300-E399 : Non-T.30 client or server failure
E301      : Receive aborted due to operator intervention
E302      : Problem reading document directory
E303      : Internal botch; %s post-page handling string "%s"
E304      : Maximum receive page count exceeded, call terminated
E305      : Could not fork for scripted configuration.
E306      : Bad exit status %#o for '%s'
E307      : Could not open a pipe for scripted configuration.
E308      : ANSWER: CALL REJECTED
E309      : ANSWER: Call deduced as %s, but told to answer as %s; call ignored
E310      : External getty use is not permitted {E310}
E311      : %s: could not create
E312      : "%s: can not fork: %s
E313      : ERROR: Unknown status
E314      : Can not open document file %s
E315      : Can not set directory %u in document file %s
E316      : Error reading directory %u in document file %s
E317      : Too many pages in submission; max %u
E318      : Unable to lock shared document file
E319      : Unable to open shared document file
E320      : Unable to create document file
E321      : Converted document is not valid TIFF
E322      : Could not reopen converted document to verify format
E323      : Job contains no documents
E324      : Modem does not support polling
E325      : Kill time expired
E326      : Invalid or corrupted job description file
E327      : REJECT: Unable to convert dial string to canonical format
E328      : REJECT: Requested modem %s is not registered
E329      : REJECT: No work found in job file
E330      : REJECT: Page width (%u) appears invalid
E331      : REJECT: Job expiration time (%u) appears invalid
E332      : REJECT: Time-to-send (%u) appears invalid
E333      : REJECT: Too many attempts to dial
E334      : REJECT: Too many attempts to transmit: %u, max %u
E335      : REJECT: Too many pages in submission: %u, max %u
E336      : REJECT: Modem is configured as exempt from accepting jobs
E337      : Blocked by concurrent calls
E338      : Delayed by time-of-day restrictions
E339      : Delayed by outbound call staggering
E340      : Could not fork to prepare job for transmission
E341      : Could not fork to start job transmission
E342      : Delayed by prior call
E343      : Send program terminated abnormally; unable to exec %s 
E344      : Job interrupted by user
E345      : Job aborted by request
E346      : Delayed by limit on proxy connections
E347      : REJECT: qfile contains one or more errors

E400-E499 : job/modem incompatibility
E400      : Modem does not support negotiated signalling rate
E401      : Modem does not support negotiated min scanline time
E402      : Document is not in a Group 3 or Group 4 compatible format (compression %u)
E403      : Document was encoded with 2DMMR, but client does not support this data format
E404      : Document was encoded with 2DMMR, but modem does not support this data format
E405      : Document was encoded with 2DMMR, but ECM is not being used.
E406      : Document was encoded with 2DMR, but client does not support this data format
E407      : Document was encoded with 2DMR, but modem does not support this data format
E408      : Hyperfine resolution document is not supported by client, image resolution %g x %g lines/mm
E409      : Hyperfine resolution document is not supported by modem, image resolution %g x %g lines/mm
E410      : Superfine resolution document is not supported by client, image resolution %g lines/mm
E411      : Superfine resolution document is not supported by modem, image resolution %g lines/mm
E412      : 300x300 resolution document is not supported by client, image resolution %g lines/mm
E413      : 300x300 resolution document is not supported by modem, image resolution %g lines/mm
E414      : High resolution document is not supported by client, image resolution %g lines/mm
E415      : High resolution document is not supported by modem, image resolution %g lines/mm
E416      : Client does not support document page width, max remote page width %g pixels, image width %lu pixels
E417      : Modem does not support document page width, max page width %g pixels, image width %lu pixels
E418      : Client does not support document page length, max remote page length %d mm, image length %lu rows (%.2f mm)
E419      : Modem does not support document page length, max page length %s mm, image length %lu rows (%.2f mm)
E420      : Requested JPEG parameters are unsupported.
E421      : Invalid compression for color JPEG fax request.
E422      : Invalid photometric for color JPEG fax request.
E423      : Remote does not support JPEG fax request.
E424      : Modem does not support JPEG fax request.
E425      : JPEG fax request requires ECM support.
E426      : Modem does not support JPEG fax resolution.
E427      : Remote does not support JPEG fax resolution.
E428      : JPEG fax requires square resolutions.
E429      : Unsupported JPEG fax resolution %g l/mm.

E500-E599 : paging failures
E500      : No initial ID response from paging central
E501      : Login failed multiple times
E502      : Protocol failure: %s from paging central
E503      : Protocol failure: %s waiting for go-ahead message
E504      : Message block not acknowledged by paging central after multiple tries
E505      : Message block transmit failed paging central rejected it
E506      : Protocol failure: paging central responded to message block transmit with forced disconnect
E507      : Protocol failure: %s to message block transmit
E508      : Paging central rejected content; check PIN
E509      : Protocol failure: timeout waiting for transaction ACK/NAK from paging central

