SIP Errors Troubleshooting

This section of support provides articles on SIP Failure Mapping.

SIP ERROR CODE

DEFINITION

SIP ERROR CODE

DEFINITION

1

487

Bye - request terminated

2

487

Cancel - request terminated

3

400

Bad request

4

401

Unauthorized

5

402

Payment required

6

403

Forbidden

7

404

Not found

8

405

Method not allowed

9

406

Not acceptable

10

407

Proxy authentication required

11

408

Request timeout

12

409

Conflict

13

410

Gone

14

411

Length required

15

413

Request entity too large

16

414

Request-URL too long

17

415

Unsupported media type

18

416

Unsupported URI scheme

19

420

Bad extension

20

421

Extension required

21

422

Session timer interval too small

22

423

Interval too brief

23

428

Use authentication token

24

429

Provide referror identity

25

480

Temporarily unavailable

26

481

Dialog/Transaction does not exist

27

482

Loop detected

28

483

Too many hops

29

484

Address incomplete

30

485

Ambigious

31

486

Busy here

32

487

Request terminated

33

488

Not acceptable here

34

489

Bad event

35

491

Request opending

36

493

Request undevipherable

37

500

Server internal error

38

501

Not implemented

39

502

Bad gateway

40

503

Service unavailable

41

504

Gateway timeout

42

505

Version not supported

43

513

Message too large

44

600

Busy everywhere

45

603

Decline

46

604

Does not exist anywhere

47

606

Not acceptable

48

607

Unwanted