8 28439: sip 400 messages – FaxBack NET SatisFAXtion 8.7 (Including R3) - Manual User Manual
Page 179
4 – Appendices
NET SatisFAXtion 8.7 Manual
179
4.1.8
28439: SIP 400 Messages
These are error codes returned by the media gateway or fax service. The sec-
ond number listed is the equivalent standard SIP code. Error type:
NON_RETRYABLE
.
28416 400 Bad request. Error type:
NON_RETRYABLE
.
28417 401 Unauthorized. Error type:
NON_RETRYABLE
.
28418 402 Payment required. Error type:
NON_RETRYABLE
.
28419 403 Forbidden. Error type:
NON_RETRYABLE
.
28420 404 Not found:
The gateway rejected the initial INVITE with a gener-
ic “404 Not found,” and did not include an additional Q.850 cause code. This
could be because no SIP route could be found for the destination phone num-
ber. Error type:
NON_RETRYABLE
.
28421 405 Method not allowed.
Error type:
NON_RETRYABLE
.
28422 406 Not acceptable. Error type:
NON_RETRYABLE
.
28423 407 Proxy authentication required.
A username and password are
required to communicate with the gateway. Run Re-Detect Fax Devices and
configure a proxy username and password. Error type:
NON_RETRYABLE
.
28424 408 Request timeout. Error type:
NON_RETRYABLE
.
28426 410 Gone.
Error type:
NON_RETRYABLE
.
28429 413 Request entity too large. Error type:
NON_RETRYABLE
.
28430 414 Request-URI too long.
Error type:
NON_RETRYABLE
.
28431 415 Unsupported media type.
The media gateway does not support
G.711 µ-law 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 IN-
VITE with a generic “480 Temporarily unavailable” and did not include an addi-
tional 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
.