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CDR Field Formats for Binary and ASN.1 CDR Files

Table 179 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 179: 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

Figure 14: Format Types for ASN.1 CDRs (extension cdr2a)

Format Types for ASN.1 CDRs (extension
cdr2a)

Modified: 2017-09-27