Ref.

RFC status

Profile status

Ref.

RFC status

Profile status

1

ACK request

[26] 13

c10

c10

[26] 13

c11

c11

2

BYE request

[26] 15.1

c12

c12

[26] 15.1

c12

c12

3

BYE response

[26] 15.1

c12

c12

[26] 15.1

c12

c12

4

CANCEL request

[26] 9

m

m

[26] 9

m

m

5

CANCEL response

[26] 9

m

m

[26] 9

m

m

6

INFO request

[25] 4.2

c21

c21

[25] 4.2

c21

c21

7

INFO response

[25] 4.2

c21

c21

[25] 4.2

c21

c21

8

INVITE request

[26] 13

c10

c10

[26] 13

c11

c11

9

INVITE response

[26] 13

c11

c11

[26] 13

c10

c10

9A

MESSAGE request

[50] 4

c7

c7

[50] 7

c7

c7

9B

MESSAGE response

[50] 4

c7

c7

[50] 7

c7

c7

10

NOTIFY request

[28] 8.1.2

c4

c4

[28] 8.1.2

c3

c3

11

NOTIFY response

[28] 8.1.2

c3

c3

[28] 8.1.2

c4

c4

12

OPTIONS request

[26] 11

m

m

[26] 11

m

m

13

OPTIONS response

[26] 11

m

m

[26] 11

m

m

14

PRACK request

[27] 6

c5

c5

[27] 6

c5

c5

15

PRACK response

[27] 6

c5

c5

[27] 6

c5

c5

15A

PUBLISH request

[70] 11.1.3

c20

c20

[70] 11.1.3

c20

c20

15B

PUBLISH response

[70] 11.1.3

c20

c20

[70] 11.1.3

c20

c20

16

REFER request

[36] 3

c1

c1

[36] 3

c1

c1

17

REFER response

[36] 3

c1

c1

[36] 3

c1

c1

18

REGISTER request

[26] 10

c8

c8

[26] 10

c9

c9

19

REGISTER response

[26] 10

c9

c9

[26] 10

c8

c8

20

SUBSCRIBE request

[28] 8.1.1

c3

c3

[28] 8.1.1

c4

c4

21

SUBSCRIBE response

[28] 8.1.1

c4

c4

[28] 8.1.1

c3

c3

22

UPDATE request

[29] 6.1

c6

c6

[29] 6.2

c6

c6

23

UPDATE response

[29] 6.2

c6

c6

[29] 6.1

c6

c6

c1: IF A.4/15 THEN m ELSE n/a – – the REFER method extension.

c3: IF A.4/23 THEN m ELSE n/a – – recipient for event information.

c4: IF A.4/22 THEN m ELSE n/a – – notifier of event information.

c5: IF A.4/14 THEN m ELSE n/a – – reliability of provisional responses extension.

c6: IF A.4/17 THEN m ELSE n/a – – the SIP update method extension.

c7: IF A.4/27 THEN m ELSE n/a – – the SIP MESSAGE method.

c8: IF A.4/1 THEN m ELSE n/a – – client behaviour for registration.

c9: IF A.4/2 THEN m ELSE n/a – – registrar.

c10: IF A.4/3 THEN m ELSE n/a – – client behaviour for INVITE requests.

c11: IF A.4/4 THEN m ELSE n/a – – server behaviour for INVITE requests.

c12: IF A.4/5 THEN m ELSE n/a – – session release.

c20: IF A.4/41 THEN m ELSE n/a – – event state publication extension.

c21: IF A.4/13 OR A.4/13A THEN m ELSE n/a – – SIP INFO method and package framework, legacy INFO usage.