Cisco Cisco Packet Data Interworking Function (PDIF)
SGSN CDR Field Descriptions
▀ CDR Fields
▄ GTPP Interface Administration and Reference, StarOS Release 18
354
RNC Unsent Downlink Volume
This field contains the unsent downlink (from RNC to MS) data volume in bytes. The value is measured within the RNC
and a correction of the already counted downlink volume within the 3G-SGSN. The value is sent from the RNC to the
3G-SGSN on request during the PDP context or at RAB release. This field is absent in case of 2G SGSN.
and a correction of the already counted downlink volume within the 3G-SGSN. The value is sent from the RNC to the
3G-SGSN on request during the PDP context or at RAB release. This field is absent in case of 2G SGSN.
Format
Integer
Length
For custom10 and custom11 dictionaries: 1–4 Bytes
For other custom dictionaries: 1–5 Bytes
Routing Area Code (RAC)
This field contains the Routing Area Code (RAC) of the routing area in which the served party is currently located when
the (partial) record is opened. The RAC is coded according to 3GPP TS 24.008.
the (partial) record is opened. The RAC is coded according to 3GPP TS 24.008.
Format
Octet String
Length
1 Byte
SCF Address
This field identifies the CAMEL server serving the subscriber. Address is defined in HLR as part of CAMEL subscription
information.
information.
Format
Address
Served IMEI
This field contains the international mobile equipment identity (IMEI) of the equipment served. If IMEISV (IMEI
software version) is available, then IMEISV shall be sent in the CDR. The structure of the IMEI is defined in TS 23.003.
software version) is available, then IMEISV shall be sent in the CDR. The structure of the IMEI is defined in TS 23.003.
The IMEI is composed of the following elements:
Type Allocation Code (TAC) with a length of 8 digits
Serial Number (SNR) is an individual serial number uniquely identifying each equipment within each TAC. Its
length is 6 digits
length is 6 digits
Spare digit: this digit shall be zero, when transmitted by the MS
A filler digit "f" is added after the spare digit to fill up the last byte.
Important:
In the case of custom31 GTPP dictionary, if IMEISV or IMEI is present, then IMEI will be sent.
Format
BCD Encoded Octet String