The following table lists the EVENT accounting records for ingress/egress fields:

EVENT accounting records for ingrss/egress fields

Ingress/Egress Field InformationFieldREGISTERSUBSCRIBE / REFER /
NOTIFY		MESSAGE / PUBLISH /
OPTIONS		Field Length

SIP Request URI Header

1

X

X

X

256

Call ID                                    

2

X

X

X

256

From Header                                

3

X

X

X

256

To Header                                  

4

X

X

X

256

Expires

5

X

X


10

Contact Address in Request

6

X

X

X

128

Contact Address in Response
(Along with Feature Tag in Contact Header)

7

X

X

X

128

Accept-Contact Header       

8

X

X

X

200

Proxy-Authorization/WWW-Authenticate header

9

X

X

X

128

NAPT Status of the SIP SG for Signaling

10

X

X

X

1

Inbound SMM Indicator

11

X

X

X

1

Outbound SMM Indicator

12

X

X

X

1

IP Address for FQDN calls                  

13

X

X

X

48

Transport Protocol                         

14

X

X

X

1

ICID                                     

15

X

X

X

127

Generated Host

16

X

X

X

127

Originating IOI                            

17

X

X

X

127

Terminating IOI

18

X

X

X

127

Asserted-Identity Header         

19


X

X

256

P-Visited-Network-Id  

20

X



256

P-Called-Party-Id 

21


X

X

128

P-Charging-Function-Address

22

X

X

X

1024

Transit IOI List23XXX639
P-Access-Network-Info25X

256
User-Agent26X

50