Cisco Cisco Packet Data Interworking Function (PDIF)
S-GW CDR Field Descriptions
▀ CDR Fields
▄ GTPP Interface Administration and Reference, StarOS Release 17
380
SGW Change
This field is present only in the SGW-CDR to indicate that this is the first record after an S-GW change. In this case, it is set
to TRUE (“FF”)
to TRUE (“FF”)
Format
Boolean
Length
1 byte
Start Time
This field contains the time when the IP-CAN session starts at the S-GW/P-GW, available in the CDR for the first bearer in an
IP-CAN session.
IP-CAN session.
The timestamp is determined based on the internal timer which has an accuracy of 10ms. Depending on the
configured mechanism this is translated into the timestamp which only shows the full seconds.
configured mechanism this is translated into the timestamp which only shows the full seconds.
The format is shown below.
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
-- e.g. YYMMDDhhmmssShhmm
-- where
-- 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
9 bytes
Stop Time
This field contains the time when the IP-CAN session is terminated at the S-GW/P-GW, available in the CDR for the last
bearer in an IP-CAN session.
bearer in an IP-CAN session.