FaxBack NET SatisFAXtion 9.0 - Fax Server Manual - Manual (Page 155)

28430 414 Request­URI too long. Error type: NON_RETRYABLE.
28431 415 Unsupported media type: The media gateway does not support G.711 μ­law or does not
support T.38. Error type: NON_RETRYABLE.
28432 416 Unsupported URI scheme. Error type: NON_RETRYABLE.
28436 420 Bad extension. Error type: NON_RETRYABLE.
28437 421 Extension required. Error type: NON_RETRYABLE.
28439 423 Interval too brief. Error type: NON_RETRYABLE.
28496 480 Temporarily Unavailable: The gateway rejected the initial INVITE with a generic “480
Temporarily unavailable” and did not include an additional Q.850 cause code. Error type: BUSY.
28497 481 Call or transaction does not exist. Error type: NON_RETRYABLE.
28498 482 Loop detected. Error type: NON_RETRYABLE.
28499 483 Too many hops. Error type: NON_RETRYABLE.
28500 484 Address incomplete. Error type: NON_RETRYABLE.
28501 485 Ambiguous. Error type: NON_RETRYABLE.
28502 486 Busy here: The gateway rejected the initial INVITE with a generic “486 Busy here,” and
did not include an additional Q.850 cause code. Error type: BUSY.
28503 487 Request terminated: An in­progress but not yet answered call was terminated by a BYE
or CANCEL. This can be caused by the gateway having a shorter no­answer timeout than IPFax, and so
terminates the call. (See dial_wait; this is normally 45 seconds.) Error type: NON_RETRYABLE.
28504 488 Not acceptable here: The gateway does not support either the G.711 μ­law or T.38
codec, or has rejected the call for some other reason. Error type: NON_RETRYABLE.
28507 491 Request pending. Error type: NON_RETRYABLE.
28509 493 Undecipherable. Error type: NON_RETRYABLE.
4.1.9 28672–28685: SIP 500 Messages
These are error codes returned by the media gateway or fax service. The second number listed is
the equivalent standard SIP code. Error type: NON_RETRYABLE.
28672 500 Server Internal Error: The gateway encountered an unexpected condition that
prevented it from fulfilling the request. Error type: NON_RETRYABLE.
28673 501 Not implemented. Error type: NON_RETRYABLE.
28674 502 Bad gateway. Error type: NON_RETRYABLE.
28675 503 Service Unavailable: The gateway rejected the initial INVITE with a generic “503
Service unavailable.” This could be due to lack of system resources, overload, or administrative
maintenance. Error type: BUSY.
28676 504 Server time­out. Error type: NON_RETRYABLE.
28677 505 Version not supported. Error type: NON_RETRYABLE.
28685 513 Message too large. Error type: NON_RETRYABLE.
Proprietary FaxBack, Inc. 2014 155