Cisco Cisco Packet Data Gateway (PDG)
P-GW CDR Field Descriptions
▀ CDR Fields
▄ GTPP Interface Administration and Reference, StarOS Release 16
214
Format
Octet string
Length
0–128 bytes
Time of First Usage (GTPP custom38 Dictionary)
The timestamp for the first IP packet to be transmitted for the service data flow referred to the current instance of Service
Condition Change.
Condition Change.
Format
BCD encoded octet string
Length
9 bytes
Record Opening Time
This field contains the timestamp when a PDP context is activated in PGW or when a subsequent record is opened after a
partial record.
partial record.
The timestamp is determined based on the internal timer which has an accuracy of 10ms. Depending on the
configured mechanism (ceiling, floor, or round-off) this field is translated to only show full seconds.
configured mechanism (ceiling, floor, or round-off) this field is translated to only show full seconds.
TimeStamp ::= OCTET STRING (SIZE(6))
The contents of this field are a compact form of the UTC Time format containing local time plus an offset to
universal time. Binary coded decimal encoding is employed for the digits to reduce the storage and transmission
overhead
universal time. Binary coded decimal encoding is employed for the digits to reduce the storage and transmission
overhead
For example: YYMMDDhhmmssShhmm
Format Variable Meaning
Encoding Format
YY
Year 00 to 99
BCD encoded
MM
Month 01 to 12
BCD encoded
DD
Day 01 to 31
BCD encoded
hh
Hour 00 to 23
BCD encoded
mm
Minute 00 to 59
BCD encoded
ss
Second 00 to 59
BCD encoded
S
Sign 0 = “+”, “-” ASCII encoded
hh
Hour 00 to 23
BCD encoded
mm
Minute 00 to 59
BCD encoded
Format
BCD encoded octet string
Length