Fax Error Codes and Fax Result Codes

Access Error Codes

  • Log in to https://mfax.swtpvoip.com
  • Go to the History tab
  • Click on the 3 dot symbol on any fax and choose Info
  • The Fax Error Code will indicate the cause of the failure and the Fax Result Code will indicate the fax’s final status upon failure.

Fax Result Codes

1000 Fax pending
4000 Fax failed
5000 Fax resource issue
5100 Fax request Blocked
5200 Fax rendering issue
6000 Fax connect failed
6100 Fax number busy
6200 Fax machine not answering
6300 Fax detection failed
6400 Fax pickup failed
6500 Fax detection failed
6600 Fax detection timeout
6800 Fax negotiation failed
7000 Fax training failed
8000 Fax transmit failed
9000 Fax failed

Fax Error Codes

Use the last 4 digits of the error code to match the appropriate code shown below to determine error cause.

Error Code Error Details
2000
2000 Fax attempt failed No further info provided
2001 Fax attempt failed File I/O error occurred
2002 Fax attempt failed Bad file format
2003 Fax attempt failed Board firmware does not support capability
2004 Fax attempt failed Channel not in proper state
2005 Fax attempt failed Bad parameter value used
2006 Fax attempt failed Memory allocation error
2007 Fax attempt failed The channel not in a required state
2008 Fax attempt failed Dialing was attempted too soon
2009 Fax attempt failed Resource busy
2010 Fax attempt failed Driver open call failed, invalid channel or driver not correctly installed
2011 Fax attempt failed Driver call failed
2012 Fax attempt failed Incompatible driver version
2013 Fax attempt failed Invalid fax port
2014 Fax attempt failed Ringing occurred during dialing attempt
2015 Fax attempt failed Nesting level too deep
2016 Fax attempt failed Maximum number of TIFF tags exceeded
2017 Fax attempt failed An attempt to gain a lock failed
2018 Fax attempt failed Buffer size too small to receive data
2019 Fax attempt failed Destination address not found or invalid
2020 Fax attempt failed Packet or command creation error
2021 Fax attempt failed Packet or command parse error
2022 Fax attempt failed Packet send error
2023 Fax attempt failed Packet receive error
2024 Fax attempt failed DATA encountered during command processing
2025 Fax attempt failed Invalid parameter values received from board
2026 Fax attempt failed Firmware detected an error
2027 Fax attempt failed Module was removed
2028 Fax attempt failed Board not responding
2029 Fax attempt failed Async-LP value error
2030 Fax attempt failed Async context error
2031 Fax attempt failed Driver out of resources
2032 Fax attempt failed Module reset failure
2033 Fax attempt failed Module I20 enable failure
2034 Fax attempt failed No valid response for module configuration
2035 Fax attempt failed No transport layer
2036 Fax attempt failed Unsupported feature
3200
3257 Failed to detect fax machine Dialing complete
3258 No dial tone on line No dial tone detected
3259 Failed to dial fax number No loop current detected
3260 Failed to dial fax number Local phone in use
3261 Telco resources busy Busy trunk line detected
3265 Failed to dial fax number T1 time slot busy
3266 Failed to dial fax number Call collision detected
3267 Failed to dial fax number No wink signal
3268 Invalid ISDN dial string Invalid ISDN dial string
3269 Failed to dial fax number Redial attempted too soon
3300
3301 Fax number busy Remote end busy or off-hook
3302 Fax number busy Remote end busy or off-hook
3303 Fax number unavailable No available lines on remote end to answer call
3304 Fax detection interrupted Recall dial tone detected
3306 Fax attempt failed Fax attempt failed
3308 No answer Remote end is ringing
3309 No answer Remote end is ringing
3316 Failed to detect fax machine Remote end answered but did not initiate fax sequence
3317 No fax machine detected Remote end answered but did not initiate fax sequence
3318 Fax attempt failed Possible dial tone issue
3324 Fax machine not detected No fax CNG tone detected after answering call
3325 No answer Remote end was ringing but did not answer
3326 Incompatible remote fax device Group 2 fax machine detected. No support for G2 devices
3327 Call interrupted Remote end indicated failure. Telephone number or class of service restricted
3328 Fax machine did not pick up No energy detected on the line before timeout expired
3329 Fax number unavailable Vacant tone detected. Number may be invalid or out of service
3330 Fax number unavailable Reorder tone detected. Number may be invalid or out of service
3331 Failed to initiate call No circuit detected. Line might be dead
3332 Fax machine detected CNG fax calling tone detected
3333 Fax attempt failed Remote off hook detected
3334 Fax attempt failed Special CP tone detected
3339 Fax machine detected Fax machine CED tone detected and transmission started
3340 Fax attempt failed Unknown CP result
3348 Call progress ISDN call progress
3349 Call collision occurred Call collision occurred
3352 Fax machine detected Fax machine detected and transmission started
3353 No call received Timeout expired
3500
3500 Failed to dial fax number Unknown dialing error
4000
4000 Transmission complete Normal and proper end of connection
4001 Failed to connect with remote device Ring detected without a successful handshake
4002 Call aborted Call aborted
4003 Connection dropped No loop current or A/B signaling bits
4004 Connection disconnected ISDN disconnection
4011 Transmission timed out No answer. T.30 T1 timeout
4020 Transmission failed Unspecified transmit Phase B error
4021 Transmission failed Remote cannot receive or send
4022 Transmission failed COMREC error. Phase B transmit
4023 Transmission failed COMREC invalid command received
4024 Transmission failed RSPREC error
4025 Transmission failed DCS sent three times. DCS not recognized
4026 Transmission failed DIS/DTC received three times. DCS not recognized
4027 Transmission failed Failure to train
4028 Transmission failed RSPREC invalid response received
4029 Transmission failed DCN received in COMREC
4030 Transmission failed DCN received in RSPREC
4033 Transmission failed Incompatible fax formats (ex. Page width mismatch)
4034 Transmission failed Invalid DMA count specified for transmitter
4035 Transmission failed Binary File Transfer specified but ECM not enabled on transmitter
4036 Transmission failed Binary File Transfer mode specified but not supported by receiver
4037 Transmission failed Remote does not support EFF page options required by host
4038 Transmission failed Remote does not support EFF page coding
4040 Transmission failed No response to RR after three tries
4041 Transmission failed No response to CTC or response was not CTR
4042 Transmission failed T5 timeout since receiving first RNR
4043 Transmission failed Do not continue with next message after receiving ERR
4044 Transmission failed ERR response to EOR-EOP or EOR-PRI-EOP
4045 Transmission failed Transmitted DCN after receiving RTN
4046 Transmission failed EOR-MPS, EOR-EOM, EOR-NULL, EORfPRI-MPS, or EOR-PRI-EOM sent after fourth PPR received
4051 Transmission failed RSPREC error
4052 Transmission failed No response to MPS. Repeated three times
4053 Transmission failed Invalid response to MPS
4054 Transmission failed No response to EOP. Repeated three times
4055 Transmission failed Invalid response to EOP
4056 Transmission failed No response to EOM. Repeated three times
4057 Transmission failed Invalid response to EOM
4060 Transmission failed DCN received in RSPREC
4061 Transmission failed No response received after third try for PPS-NULL
4062 Transmission failed No response received after third try for PPS-MPS
4063 Transmission failed No response received after third try for PPS-EOP
4064 Transmission failed No response received after third try for PPS-EOM
4065 Transmission failed No response received after third try for EOR-NULL
4066 Transmission failed No response received after third try for EOR-MPS
4067 Transmission failed No response received after third try for EOR-EOP
4068 Transmission failed No response received after third try for EOR-EOM
4070 Transmission failed Unspecified receive Phase B error
4071 Transmission failed RSPREC error
4072 Transmission failed COMREC error
4073 Transmission failed T.30 T2 time-out, expected page not received
4074 Transmission failed T.30 T1 time-out after EOM received
4075 Transmission failed Transmission failed DCN received in COMREC
4076 Transmission failed DCN received in RSPREC
4077 Transmission failed T.30 T2 time-out, expected page received
4078 Transmission failed Invalid DMA count specified for receiver
4079 Transmission failed Binary File Transfer specified, but ECM not supported by receiver
4080 Transmission failed Remote machine is incompatible
4101 Transmission failed RSPREC invalid response received
4102 Transmission failed COMREC invalid response received
4103 Transmission failed T3 time-out; no local response for remote voice interrupt
4104 Transmission failed T2 time-out; no command received after responding RNR
4105 Transmission failed DCN received for command received
4106 Transmission failed Command receive error
4107 Transmission failed Receive block count error in ECM mode
4108 Transmission failed Receive page count error in ECM mode
4109 Transmission failed EOR received in phase D
4110 Transmission failed Timeout while repeating RNR
4150 Transmission failed No EOL received in a 5-second period
4151 Transmission failed Bad MMR data received from remote
4240 Transmission failed No interrupt acknowledge, time-out
4241 Transmission failed Loop current still present while playing reorder tone after time-out
4242 Transmission failed T.30 holdup time-out
4243 Transmission failed DCN received from host in receive holdup section for FAX PAD mode
4244 Transmission failed DCN received from host in receive holdup section for non-FAX PAD mode
4500 Transmission failed An error interrupt occurred, indicating a problem with the board too severe to continue
4501 Transmission failed The application was unable to process interrupts from the board fast enough, and information was lost
4502 Transmission failed The channel generated an unexpected 03 (reset done) or 7F interrupt, indicating the existence of a firmware or hardware problem
4503 Transmission failed An API command to the driver returned an error value, indicating that the driver or the operating system detected an error
4504 Transmission failed Error reported ad termination of fax overlay download
4505 Transmission failed Maximum timeout exceeded
5000
5000 Transmission interrupted User function caused interruption
6000
6000 Transmission timeout Timeout due to total time elapsed
6001 Transmission timeout Timeout due to silence timeout
7000
7000 Transmission interrupted System alert occurred
9000
9000 Unknown error Unknown error

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