IP Faxing Troubleshooting
| Error code | Error description | Remedy |
|---|---|---|
| IP-FAX setting error | ||
| 2001 | Basic network settings have not been made. | Check the IP address, subnet mask, and default gateway settings. |
| 2002 | The required SIP settings have not been made or an error has occurred in the main unit. | Check the SIP settings. |
| 2005 | SIP URI of the sender or the recipient is wrong. | Check the recipient's SIP URI (registered in the Contacts list). Check the sender's SIP URI. |
| Error in registering the registrar server/proxy server | ||
| 2010 | Server information has not been set. | Check the SIP server settings. |
| 2011 | Insufficient server handles. | Check the SIP server settings. |
| Error in HGW automatic configuration | ||
| 2015 | Error during automatic acquisition of NGN gateway address. | Check the network settings. Check the connection between devices. |
| 2016 | NGN gateway address setting error. | Check the settings. |
| 2017 | Error during automatic acquisition of NGN line information. | Check the network settings. Check the connection between devices. (Check the HGW to see if the extension registration is already full.) |
| 2018 | NGN auto-configuration timeout. | Check the network settings. Check the connection between devices. |
| Error at Cisco applied layer (prior voice connection) | ||
| 2020 | ANNOUNCE FAXTONE TIMEDOUT CED could not be detected after voice connection at the time of the call. Re-INVTE could not be sent because CNG could not be detected after voice connection during incoming call. | Check the machine of the fax destination. (The recipient’s machine may be an IP phone.) |
| 2021 | ANNOUNCE REINVITE TIMEDOUT Re-INVTE could not be detected after voice connection at the time of the call. | Check the machine of the fax destination. (The recipient’s machine is a fax machine, but it is connected to a SIP-TA, etc. and did not send out a Re-INVTE.) |
| 2022 | SESSION ESTABLISH NET ERROR Session network establishment error | Check the machine of the fax destination, and the server. Check the settings. |
| 2023 | Audio media negotiation ERROR Error during SDP editing/parsing on voice connection. | Check the machine of the fax destination, and the server. Check the settings. |
| 2024 | T.38 media negotiation ERROR Error during SDP editing/parsing on T.38 media connection. | Check the machine of the fax destination, and the server. Check the settings. |
| Error related to SIP (SIP_ANNOUNCE_RESULT) | ||
| 2030 | Sequence violation. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2031 | Busy. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2032 | INVITE request timeout. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2033 | There is no header. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2034 | Header format error. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2035 | There is no body. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2036 | Body format error. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2037 | Header was ignored. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2038 | Body was ignored. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2039 | Timeout for requests other than INVITE. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2040 | Timeout for 100rel messages sent. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2041 | Pending requests are terminated. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2042 | Network disconnection is detected. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2043 | Network transmission failure is detected. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2044 | Automatic rejection of INVITE. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2045 | Discarding packets is started because the packet reception limit has been exceeded. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2046 | The state of exceeding the number of packet reception limits is over. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2047 | Internal processing error. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| 2048 | Network Error. | Check if the fax destination is correct. Check the machine of the fax destination. Check the network environment and settings. |
| Internal module processing error. | ||
| 2050 | Socket creation failure. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2051 | DNS resolution failure. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2052 | Not listening with the specified protocol. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2053 | Address and port are in use. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2054 | The socket does not exist. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2055 | Reserved | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2056 | Reserved | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2057 | State error | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2058 | Reserved | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2059 | Internal error (invalid socket entry.) | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 205A | Reserved | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 205B | Reserved | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 205C | Reserved | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 205D | Internal error (pipe I/O). | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 205E | Incompatible TLS library version. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 205F | TLS library loading error. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2061 | Unknown error. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2062 | Unsupported feature. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2063 | Not implemented feature. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2064 | Unauthorized processing. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2065 | Processing. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2066 | Time out | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2067 | Resource is in use. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2068 | Insufficient resources. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2069 | Memory (pointer) is invalid. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 206A | Invalid memory size. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 206B | Invalid parameter. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 206C | The module has not been initialized. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 206D | The module has already been initialized. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 206E | Inappropriate operation was performed for the current condition. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2099 | [Internal error] The network settings have been changed. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2101 | [General error code] Invalid argument. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2102 | Excessive or insufficient length. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2103 | Out of the range. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2104 | Memory allocation results. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2105 | Callback function is not set. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2106 | Not supported by this version. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2107 | The target was not found. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2108 | The target was found but the content is invalid. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2109 | Time out | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2110 | Invalid state. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2120 | [T.38 related error] 127 octet length limit exceeded. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2121 | IFP field size exceeded. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2122 | ASN.1 revision is incorrect. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2123 | An ASN.1 undefined type was specified. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2124 | Insufficient buffer for decoding. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2125 | Insufficient buffer for decoding. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2126 | The ASN.1 format is incorrect. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2127 | UDPTL field size exceeded. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2128 | Insufficient reserved space. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2129 | Insufficient UDPTL field data. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2130 | Missing UDPTL packets exceeded the recoverable range. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2131 | The sequence number of the UDPTL packet is out of date. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2132 | An undefined result recovery method was specified. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2133 | Type mismatch in t30 message. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2134 | TPKT receive buffer is invalid. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2135 | TPKT receive buffer length is invalid. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2136 | TPKT version is invalid. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2137 | TPKT field size exceeded. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2138 | TPKT format is incorrect. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2139 | Unsupported ASN.1 format. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2140 | The sequence number of the UDPTL packet is the same as the previous one. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2141 | The sequence number is incorrect because RTP packets are parsed as UDPTL packets. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2142 | T.38 session type is invalid. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2150 | [Fax tone related error] Incorrect sound source format. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2151 | [Transmission related error] Transmitted packet oversize error. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2160 | [CISCO Layer related error] Media not supported by CISCO layers. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2161 | Insufficient free sessions in the voice engine. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2162 | SDP negotiation failed. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2170 | Error in the Manager module. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2171 | Error in the Clinet module. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2172 | Error in the SIP Call module. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2173 | Error in the SIP Cisco module. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2174 | Error in the SIP Session module. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2175 | Error in the SIP keeper module. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2176 | Error in the SIP Sdp module. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2177 | Error in the SIP Server module. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2178 | Error in the SIP Listen module. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 2179 | Error in the SIP Reg module. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| 217A | Error in the SIP Hgw module. | Internal error Check the conditions under which the error occurs (settings/destination/environment) |
| Error codes associated with RFC-compliant status codes | ||
| 2300 | The SIP server responded to the redirect. (SIP response 300 Multiple Choices was received.) | Check the network environment or SIP server settings. |
| 2301 | The SIP server responded to the redirect. (SIP response 301 Moved Permanently was received.) | Check the network environment or SIP server settings. |
| 2302 | The SIP server responded to the redirect. (SIP response 302 Moved Temporarily was received.) | Check the network environment or SIP server settings. |
| 2305 | Communication with the recipient failed and access via proxy was requested. (SIP response 305 Use Proxy was received.) | Check the network environment or SIP server settings. |
| 2380 | The SIP server responded to the redirect. (SIP response 380 Alternative Service was received.) | Check the network environment or SIP server settings. |
| 2400 | The SIP server responded that the request was invalid. (SIP response 400 Bad Request was received.) | Check the network environment or SIP server settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2401 | The SIP server responded that authentication failed. (SIP response 401 Unauthorized was received.) | Check the network environment or SIP server settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2402 | The SIP server responded that the request was rejected. (SIP response 402 Payment Required was received.) | Check the network environment or SIP server settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2403 | The SIP server responded that the request was rejected. (SIP response 403 Forbidden was received.) | Check the network environment or SIP server settings. Check the incoming call rejection setting. (Sometimes the problem is solved by sending the fax again after a while) |
| 2404 | The SIP server responded that it could not find the specified destination. (SIP response 404 Not Found was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2405 | The SIP server responded that access was not allowed. (SIP response 405 Method Not Allowed was received.) | Check the network environment or SIP server settings. |
| 2406 | The SIP server responded that the request was rejected. (SIP response 406 Not Acceptable was received.) | Check the network environment or SIP server settings. |
| 2407 | The SIP server responded that the proxy authentication failed. (SIP response 407 Proxy Authentication Required was received.) | Check if the authentication settings of the main unit and the SIP server match. |
| 2408 | The SIP server responded that the request timed out. (SIP response 408 Request Timeout was received.) Or, the SIP server or the recipient’s IP fax machine does not exist on the network. (No response) | Check if the fax destination is correct. Check the network environment or SIP server settings. |
| 2410 | The SIP server responded that it could not find the specified destination. (SIP response 410 Gone was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. |
| 2413 | The SIP server responded that the size of the data to be sent was too large. (SIP response 413 Request Entity Too Large was received.) | Check the network environment or SIP server settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2414 | The SIP server responded that the URI was too long. (SIP response 414 Request-URI Too Long was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. |
| 2415 | The SIP server responded that the request contained an unsupported media type. (SIP response 415 Unsupported Media Type was received.) | Check the network environment or SIP server settings. |
| 2416 | The SIP server responded that the URI was a scheme not supported by the server. (SIP response 416 Unsupported URI Scheme was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. |
| 2420 | The SIP server responded that the request was rejected. (SIP response 420 Bad Extension was received.) | Check the network environment or SIP server settings. |
| 2421 | The SIP server responded that the request was rejected. (SIP response 421 Extension Required was received.) | Check the network environment or SIP server settings. |
| 2422 | The SIP server responded that the request was rejected. (SIP response 422 Session Interval Too Small was received.) | Check the network environment or SIP server settings. |
| 2423 | The SIP server responded that the request was rejected. (SIP response 423 Interval Too Brief was received.) | Check the network environment or SIP server settings. |
| 2480 | The SIP server responded that the recipient was unable to communicate. (SIP response 480 Temporarily Unavailable was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2481 | The SIP server responded that the request was rejected. (SIP response 481 Call/Transaction Does not Exist was received.) | Check the network environment or SIP server settings. |
| 2482 | The SIP server responded that it had detected a loop. (SIP response 482 Loop Detected was received.) | Check the network environment or SIP server settings. |
| 2483 | The SIP server responded that there were too many hops. (SIP response 483 Too Many Hops was received.) | Check the network environment or SIP server settings. |
| 2484 | The SIP server responded that the URI was incomplete. (SIP response 484 Address Incomplete was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. |
| 2485 | The SIP server responded that the URI was unclear. (SIP response 485 Ambiguous was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. |
| 2486 | The SIP server responded that the recipient was unable to communicate. (SIP response 486 Busy Here was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. *If your machine can respond, the memory or the file may be full, or the recipient may be on a call. (Sometimes the problem is solved by sending the fax again after a while) |
| 2487 | The SIP server responded that the request was terminated. (SIP response 487 Request Terminated was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. |
| 2488 | The SIP server responded that the request was rejected. (SIP response 488 Not Acceptable Here was received.) | Check if the fax destination is correct. Check if the SIP settings and media (T.38) settings of the main unit and SIP server match. * When [Send Settings] → [Send with G3 in case of IP Fax (NGN) transmission error] is enabled, the fax is sent using an analog G3 fax. |
| 2491 | The SIP server responded that the request was rejected. (SIP response 491 Request Pending was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. |
| 2493 | The SIP server responded that the request was rejected. (SIP response 493 Undecipherable was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. |
| 2500 | The SIP server responded that it encountered an unanticipated condition that prevented it from executing the request. (SIP response 500 Server Internal Error was received.) | Check the SIP server settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2501 | The SIP server responded that the server did not support the functionality required to execute the request. (SIP response 501 Not Implemented was received.) | Check the SIP server settings. |
| 2502 | The SIP server responded that communication with the upstream server failed. (SIP response 502 Bad Gateway was received.) | Check the SIP server settings. |
| 2503 | The SIP server responded that the server is currently unable to handle the request. (SIP response 503 Service Unavailable was received.) | Check the SIP server settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2504 | The SIP server responded that communication with the upstream server failed. (SIP response 504 Server Time-out was received.) | Check the SIP server settings. |
| 2505 | The SIP server responded that the server did not support the functionality required to execute the request. (SIP response 505 SIP Version not supported was received.) | Check the SIP server settings. |
| 2513 | The SIP server responded that the size of the data to be sent was too large. (SIP response 513 Message Too Large was received.) | Check the SIP server settings. |
| 2600 | The SIP server responded that the recipient was unable to communicate. (SIP response 600 Busy Everywhere was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2603 | The SIP server responded that the recipient was unable to communicate. (SIP response 603 Decline was received.) | Check if the fax destination is correct. Check the network environment or SIP server settings. (Sometimes the problem is solved by sending the fax again after a while) |
| 2604 | The SIP server responded that the specified destination did not exist. (SIP response 604 Does Not Exist Anywhere was received.) | Check the network environment or SIP server settings. |
| 2606 | The SIP server responded that the request was rejected. (SIP response 606 Not Acceptable was received.) | Check the network environment or SIP server settings. |
| Disconnection during communication (disconnection cause other than existing T.30 errors) | ||
| 2930 | Disconnected during communication. SIP method "Bye" was received during the fax communication. | Check the machine of the fax destination. (Sometimes the problem is solved by sending the fax again after a while) |
| 2931 | Canceled during communication. SIP method "Cancel" was received during the fax communication. | Check the machine of the fax destination. (Sometimes the problem is solved by sending the fax again after a while) |
| 2932 | (No response from the recipient) Timeout after receiving "180 Ringing" with no response from the recipient. | Check the machine of the fax destination. (The recipient’s machine may be an IP phone.) (Sometimes the problem is solved by sending the fax again after a while) |
| 2933 | Session connection timeout. After connecting with "200 OK" (success), UDP/TCP connection was not established. (mainly for TCP. SYN/ACK reception is not completed.) | Check the machine of the fax destination. (Sometimes the problem is solved by sending the fax again after a while) |
| 2934 | Session disconnected. Session disconnection (FIN, RST for TCP) was detected during the communication. | Check the machine of the fax destination. (Sometimes the problem is solved by sending the fax again after a while) |