Byte

Description

0, 1

Tag 0x027F

2, 3

Length 0x0004

4-7

Value[0] This field is a 32-bit mask. Each bit selects specific
SIP message fields and is listed from LSB to MSB.

Inbound Call Information

Bit 0 Selects the Dialog Information that
contains Call-ID, From Tag and To Tag

Bit 1 Selects the Proxy-Authorization Header

Bit 2 Selects the Authorization Header

Bit 3 Selects the Request for URI information

Bit 4 Selects Media Connection Address

Bit 5 Selects the Contact URI Parameter
information

Bit 6 Selects the Request URI Parameter
information for proprietary information

Bits 7-15 Reserved

Outbound Call Information

Bit 16 Selects reporting of Call-ID for SIP outbound

calls.

Bits 17-32 Reserved

By default, all bits are set to 0.