Service specific details (or "parts")
Part 2: Messaging
Interception of e-mail protocols such as POP3, IMAP and SMTP is
described in part 2. Part 2 also supports protocol agnostic
interception of e-mail.
Messaging services in general are also supported in this part.
Download ETSI TS 102 232-2
Part 3: IP
IP based intercepts are delivered using part 3. Services like
fixed line access and wifi are covered.
Download ETSI TS 102 232-3
Part 4: Layer 2
In certain countries, a CSP may offer Layer-2 service to other
CSPs. If the LI obligation falls on the Layer-2 CSP, this
part can be used.
Download ETSI TS 102 232-4
Part 5: Multimedia
Interception of SIP, RTP, MSRP (RCS) is supported by part 5.
As such, systems like IMS and services like RCS, VoLTE, VoWIFI
are intercepted using this specification.
Download ETSI TS 102 232-5
Part 6: PSTN/ISDN
Circuit-switched based telephony is intercepted using part 6.
It provides an envelope for delivering the legacy
ETSI TS 101 671 specification.
Services such as POTS, ISDN, 2G telephony, 3G telephony and SMS
Download ETSI TS 102 232-6
Provides an envelope for 2G, 3G, 4G mobile data interception
using 3GPP TS 33.108.
For 5G, part 7 is the only delivery mechanism. The IRI and CC
payloads are defined in 3GPP TS 33.128 however.
Download ETSI TS 102 232-7