1

Accept-Contact

[51]

o

do

2

Allow-Events

[20]

o

IF table 6.1.3.1/23 THEN do (NOTE)

3

Authorization

[13]

o

IF table 6.1.3.1/7 THEN do (NOTE)

4

Call-ID

[13]

m

dm

5

Cellular-Network-Info

[5]

n/a

IF table 6.1.3.1/117 THEN do (NOTE)

6

Content-Disposition

[13]

o

do

7

Content-Encoding

[13]

o

do

8

Content-ID

[216]

o

IF table 6.1.3.1/122 THEN do

9

Content-Language

[13]

o

do

10

Content-Length

[13]

t

dt

11

Content-Type

[13]

*

d*

12

CSeq

[13]

m

dm

13

Date

[13]

o

do

14

From

[13]

m

dm

15

Max-Breadth

[79]

o

do

16

Max-Forwards

[13]

m

dm

17

MIME-Version

[13]

o

do

18

P-Access-Network-Info

[24], [24A], [24B]

o

IF table 6.1.3.1/36 THEN do (NOTE)

19

Priority-Share

[5]

n/a

IF home-to-visited request on roaming II-NNI AND table 6.1.3.1/118 THEN do (NOTE)

20

Privacy

[34]

o

do

21

P-Charging-Vector

[24], [24A]

o

IF table 6.1.3.1/38 THEN do (NOTE)

22

Proxy-Authorization

[13]

o

IF table 6.1.3.1/7 THEN do (NOTE)

23

Proxy-Require

[13]

n/a

dn/a

24

Reason

[48]

o

IF table 6.1.3.1/40 THEN do (NOTE)

25

Record-Route

[13]

o

do

26

Recv-Info

[39]

n/a

dn/a

27

Reject-Contact

[51]

o

do

28

Relayed-Charge

[5]

n/a

dn/a

29

Request-Disposition

[51]

o

do

30

Require

[13]

n/a

dn/a

31

Resource-Priority

[78]

o

IF table 6.1.3.1/73 THEN do (NOTE)

32

Resource-Share

[5]

n/a

IF (home-to-visited request on roaming II-NNI OR visited-to-home request on roaming II-NNI) AND table 6.1.3.1/116 THEN do (NOTE)

33

Route

[13]

c

dc

34

Session-ID

[124]

m

IF table 6.1.3.1/94 THEN dm (NOTE)

35

Timestamp

[13]

o

do

36

To

[13]

m

dm

37

User-Agent

[13]

o

do

38

Via

[13]

m

dm

NOTE: If the capability specified in table 6.1.3.1 is not supported over the II-NNI, the IBCF in the receiving network can omit or modify the SIP header fields in the received SIP message prior to forwarding the SIP message as specified in 3GPP TS 24.229 [5] clause 5.10.6.2.