Lawful Interception in Release 17
Release 17
will, in addition to enhancements to the LI service based on 3GPP Release 17
new and enhanced capabilities, complete transition to new set onwards set of LI
specifications detailed below.
Enhancements
to TS 33.126 will address LI Service Stage 1 requirements. Enhancements to TS
33.107 and TS 33.127 will address LI Architectures and LI functions, LI stage 2.
And TS 33.108 and TS 33.128 will address LI stage 3 aspects.
R17 will
complete the transition from legacy LI specifications TS 33.107 and TS 33.108
to TS 33.127 and TS 33.128. During R17, a number of features including 4G LTE
will be considered for migration into TS 33.127 & TS 33.128 from TS 33.107
& TS 33.108.
However, only
minor changes to 33.107 and 33.108 expected.
In addition,
LI security requirements in TS 33.127 will be enhanced.
TS/TR No. |
Description of change |
Target
completion plenary# |
TS 33.107 |
R17 maintenance
of LI architecture and stage 2 functional requirements. |
TSG-SA #89 9/2020 |
TS 33.108 |
R17 maintenance
of LI stage 3 aspects supporting new and enhanced LI architecture elements
added to TS 33.107 |
TSG-SA #90 12/2020 |
TS 33.126 |
Addition of LI
R17 stage 1 requirements. |
TSG-SA #88 6/2020 |
TS 33.127 |
Addition of LI
R17 Stage 2 architecture and functionality. |
TSG-SA #91 3/2021 |
TS 33.128 |
Addition of LI
R17 Stage 3 functionality |
TSG-SA #92 6/2021 |
Source: SP-190983