3GPP (GSM only) 49-series – Intra-Fixed-Network Signalling Protocols – Stage 3
The technical specifications (TS) are displayed in blue, while the reports (TR) are shown in green.
TS that have been discontinued in earlier releases are indicated with a light blue color.
TR in the '9' range that have been stopped are highlighted in light green.
TS or TR with a yellow background indicate those updated at the latest Q3-2025 Plenary Meetings, excepted if it is an automatic upgrade to Rel-19. The new ones are displayed with a single red dotted overline.
a vertical bar on the left means that the full text and graphic content are available online for this TS/TR
when it is darker, it means that all the figures have been redrawn, or that there are no figures
when it is darker, it means that all the figures have been redrawn, or that there are no figures
13 p. | TR 49.001 | REL 4 → 6 | General Network Interworking Scenarios |
19 p. | TS 49.008 | REL 4 → 19 | Application of BSSAP on the E-interface |
69 p. | TS 49.031 | REL 4 → 19 | Application Location Services (LCS) – BSSAP-LE |
13 p. | TR 49.995 | REL 4 → 19 | GPRS – Interworking between Modified PLMN supporting GPRS and legacy GPRS Mobiles |
