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SGSN Changes in Release 15.0
SGSN Enhancements for September 30, 2013 ▀
Cisco ASR 5x00 Release Change Reference ▄
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SGSN Enhancements for September 30, 2013
SGSN Feature Changes as of September 30, 2013
This section provides information on SGSN feature changes in release 15.0.
Important:
For more information regarding features in this section, refer to the Cisco ASR 5000 Serving GPRS
Support Node Administration Guide for this release.
New SGSN Features
This section identifies new SGSN features available in release 15.0.
Important:
Note that the S4 functionality and Location Services funcationality noted below are qualified for Lab
and Field Trial deployments only.
Lawful Intercept Support for 3G Direct Tunnel
Previously, when a warrant was placed on the SGSN via the Lawful Intercept (LI) system for a specific 3G subscriber,
the subscriber was taken out of the direct-tunnel mode and returned back to 2-tunnel mode. The 3G Direct Tunnel
enhancement for LI now provides for the ability to continue in the 3G direct-tunnel mode. For more information on
Lawful Intercept, contact your Cisco representative.
the subscriber was taken out of the direct-tunnel mode and returned back to 2-tunnel mode. The 3G Direct Tunnel
enhancement for LI now provides for the ability to continue in the 3G direct-tunnel mode. For more information on
Lawful Intercept, contact your Cisco representative.
AAA Changes To Support Location Services (LCS) Feature
The Location Services (LCS) feature in SGSN provides the mechanism to support mobile location services for
operators, subscribers and third party service providers. AAA changes have been made to support the LCS feature. A
new CDR type Mobile Originated Location Request CDRs (LCS-MO-CDR) is introduced. LCS-MO-CDRs support the
standard dictionaries.
operators, subscribers and third party service providers. AAA changes have been made to support the LCS feature. A
new CDR type Mobile Originated Location Request CDRs (LCS-MO-CDR) is introduced. LCS-MO-CDRs support the
standard dictionaries.
For detailed information on LCS-MO-CDRs, refer to the Cisco ASR 5x00 GTPP Interface Administration and
Reference.
Reference.
BSSGP Stack IEs Needed for 2G MOCN
The following IEs are added to DL-UNITATA BSSGP message or to UL-UNITFATA BSSGP message in support of
the new 2G MOCN functionality . To enable use of these IEs, MOCN must be enabled with the
the new 2G MOCN functionality . To enable use of these IEs, MOCN must be enabled with the
gprs-mocn
command
in the SGSN-Global configuration mode.
DL-UNITDATA message:
Redirection-Indication
Redicrection-Completed
Unconfirmed Send State variable
Initial LLC-PDU