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Specification

3GPP TS 24.008: Mobile radio interface Layer 3 specification; Core network protocols; Stage 3

Published 2026-10-16Updated 2026-10-16

At a glance

Title
Mobile radio interface Layer 3 specification; Core network protocols; Stage 3
Newest version
V20.1.0 (Rel-20)
Versions indexed
7
Newest per release
Rel-16: V16.7.0 (2021-04-01); Rel-17: V17.9.0 (2023-06-22); Rel-18: V18.8.0 (2025-03-20); Rel-19: V19.5.0 (2026-01-07); Rel-20: V20.1.0 (2026-09-22)

In plain words

TS 24.008 specifies radio-interface procedures for "Call Control (CC), Mobility Management (MM), and Session Management (SM).". Its mobility-management procedures cover non-GPRS and GPRS services, and MM supports terminal mobility, such as informing the network of its present location and providing user identity confidentiality. V20.1.0 includes 4 CRs, including SIP Location support and a configuration to prevent a UE from performing GPRS procedures. The other CR subjects are PVS caption and reference corrections, and a UHRR support indication.

Source: 3GPP TS 24.008 V20.1.0, clause 1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: https://www.3gpp.org/ftp/Specs/archive/24_series/24.008/24008-k10.zip

Sources

  1. 3GPP TS 24.008 V20.1.0, clause 1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: https://www.3gpp.org/ftp/Specs/archive/24_series/24.008/24008-k10.zip
  2. 3GPP TS 24.008 V20.1.0, clause 4.1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: https://www.3gpp.org/ftp/Specs/archive/24_series/24.008/24008-k10.zip
  3. 3GPP specification archive, versions indexed by 3GPP Scout.
  4. 3GPP CR database.

How this page was made

The facts box comes straight from the 3GPP TDoc list and specification archive as indexed by 3GPP Scout. An AI model (GPT-6 Luna) wrote the paragraph and named the source of each sentence. Code checked every quote word for word against the stored source text and every number against the cited source. A second AI model from another company (Claude Opus 5.5) reviewed the paragraph against the same sources. The 3GPP documents themselves govern.