ZyXEL Communications P-2701RL User Manual page 27

Table 7 REG Status
CODE
420
421
422
423
428
429
480
481
482
483
484
485
486
487
488
489
491
493
501
502
503
504
505
513
600
603
604
606
P-27XX Series User's Guide
STATUS
Bad Extension response
Extension Required response
Session Timer IntervalToo Small response
Interval Too Brief response
Use Authentication Token response
Provide Referror Identity response
Temporarily Unavailable response
Dialog/Transaction Does Not Exist response
Loop Detected response
Too Many Hops response
Address Incomplete response
Ambiguous response
Busy Here response
Request Terminated response
Not Acceptable Here response
Bad Event response
Request Pending response
Request Undecipherable response
Not Implemented response
Bad Gateway response
Service Unavailable response
Gateway Timeout response
Version Not Supported response
Message Too Large response
Busy Everywhere response
Decline response
Does Not Exist Anywhere response
Not Acceptable response
Chapter 4 Troubleshooting
27