
28023 Special Information Tone detected: A SIT has been received. This can include “number out
of service” and other PSTN errors beyond the TDM network (where Q.850 cause codes would be used
instead).Errortype:NO_ANSWER.
28024 Busy tone detected: The destination number is busy at a point beyond the TDM network.
Errortype:BUSY.
28025 Talking detected with no fax: The call connected, but either there was no reinvite for T.38,
or the RTP stream analysis indicated that there was a voice on the line. This can be caused by a human
or answering machine answering the call. Also some service providers play a recording for outofservice
numbers without using a SIT tone. Listen to the RTP stream, or the WAV file in the Queue directory to
determinewhataudioisbeingreceived.Errortype:NON_RETRYABLE.
28026 Ring back detected with no answer: Call was not answered in the configured time period.
Thetimeris45seconds.Errortype:NO_ANSWER.
28027 Fast busy tone detected: The number is not in service or the call has been rejected at a point
beyond the TDM network. A destination number on a PRI, T1 or DID trunk when the trunk is down can
resultinafastbusy.Errortype:BUSY.
4.1.728160–28240:SIP300Messages
These are error codes returned by the media gateway or fax service. The second number listed is
theequivalentstandardSIPcode.
28160300Multiplechoices.Errortype:NON_RETRYABLE.
28161301Movedpermanently.Errortype:NON_RETRYABLE.
28162302Movedtemporarily.Errortype:NON_RETRYABLE.
28163303Useproxy.Errortype:NON_RETRYABLE.
28164304Alternativeservice.Errortype:NON_RETRYABLE.
4.1.828439:SIP400Messages
These are error codes returned by the media gateway or fax service. The second number listed is
theequivalentstandardSIPcode.Errortype:NON_RETRYABLE.
28416400Badrequest.Errortype:NON_RETRYABLE.
28417401Unauthorized.Errortype:NON_RETRYABLE.
28418402Paymentrequired.Errortype:NON_RETRYABLE.
28419403Forbidden.Errortype:NON_RETRYABLE.
28420 404 Not found: The gateway rejected the initial INVITE with a generic “404 Not found,” and
did not include an additional Q.850 cause code. This could be because no SIP route could be found for
thedestinationphonenumber.Errortype:NON_RETRYABLE.
28421405Methodnotallowed.Errortype:NON_RETRYABLE.
28422406Notacceptable.Errortype:NON_RETRYABLE.
28423407Proxyauthenticationrequired:Ausernameandpasswordarerequiredto
communicate with the gateway. Run ReDetect Fax Devices and configure a proxy username and
password.Errortype:NON_RETRYABLE.
28424408Requesttimeout.Errortype:NON_RETRYABLE.
28426410Gone.Errortype:NON_RETRYABLE.
28429413Requestentitytoolarge.Errortype:NON_RETRYABLE.
ProprietaryFaxBack,Inc.2014 154
Comentarios a estos manuales