Ref.

RFC status

Profile status

Ref.

RFC status

Profile status

1

ACK request

[26] 13

m

m

[26] 13

m

m

2

BYE request

[26] 16

m

m

[26] 16

m

m

3

BYE response

[26] 16

m

m

[26] 16

m

m

4

CANCEL request

[26] 16.10

m

m

[26] 16.10

m

m

5

CANCEL response

[26] 16.10

m

m

[26] 16.10

m

m

6

INFO request

[25] 4.2

c2

c2

[25] 4.2

c2

c2

7

INFO response

[25] 4.2

c2

c2

[25] 4.2

c2

c2

8

INVITE request

[26] 16

m

m

[26] 16

m

m

9

INVITE response

[26] 16

m

m

[26] 16

m

m

9A

MESSAGE request

[50] 4

c5

c5

[50] 7

c5

c5

9B

MESSAGE response

[50] 4

c5

c5

[50] 7

c5

c5

10

NOTIFY request

[28] 8.1.2

c3

c3

[28] 8.1.2

c3

c3

11

NOTIFY response

[28] 8.1.2

c3

c3

[28] 8.1.2

c3

c3

12

OPTIONS request

[26] 16

m

m

[26] 16

m

m

13

OPTIONS response

[26] 16

m

m

[26] 16

m

m

14

PRACK request

[27] 6

c6

c6

[27] 6

c6

c6

15

PRACK response

[27] 6

c6

c6

[27] 6

c6

c6

15A

PUBLISH request

[70] 11.1.1

c20

c20

[70] 11.1.1

c20

c20

15B

PUBLISH response

[70] 11.1.1

c20

c20

[70] 11.1.1

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] 16

m

m

[26] 16

m

m

19

REGISTER response

[26] 16

m

m

[26] 16

m

m

20

SUBSCRIBE request

[28] 8.1.1

c3

c3

[28] 8.1.1

c3

c3

21

SUBSCRIBE response

[28] 8.1.1

c3

c3

[28] 8.1.1

c3

c3

22

UPDATE request

[29] 7

c4

c4

[29] 7

c4

c4

23

UPDATE response

[29] 7

c4

c4

[29] 7

c4

c4

c1: IF A.162/22 THEN m ELSE n/a – – the REFER method.

c2: IF A.162/20 OR A.162/20A THEN m ELSE n/a – – SIP INFO method and package framework, legacy INFO usage.

c3: IF A.162/27 THEN m ELSE n/a – – SIP specific event notification.

c4: IF A.162/24 THEN m ELSE n/a – – the SIP UPDATE method.

c5: IF A.162/33 THEN m ELSE n/a – – the SIP MESSAGE method.

c6: IF A.162/21 THEN m ELSE n/a – – reliability of provisional responses.

c20: IF A.4/51 THEN m ELSE n/a