CDR Field Formats for Binary and ASN.1 CDR Files

Table 172 describes the field formats for binary Version 1 and Version 2 CDRs and Figure 14 shows the field formats of the ASN.1 type formats.

Field Formats for Binary Version 1 and Binary Version 2 CDR Files

Table 172: Format Types for Binary Version 1 and Binary Version 2 CDR Fields

Field Format	Description
Byte	Unsigned 8-bit integer in network byte order.
Integer	Unsigned 32-bit integer in network byte order.
Text	ASCII characters.
BCD	Binary-Coded-Decimal (BCD) with 0xF as padding. BCD format has the following characteristics: packed swapped nibbles hexadecimal 0xF padded
IP-Address	128-bit IPv6 Address network byte order, for Ipv4 addresses, the first 12 bytes are all 0x00.
Timestamp	Local time in binary Version 1 UTC time in binary Version 2