21 22 23 24 25 26 27 28 29 31 32 33 34 35 36 37 38 41 42 43 44 45 46 48 49 51 52 55 Intro TBs RELs Features NEFs Ref‑Points SBIs IDs Info T+ ≫

3GPP Reference Points

each 3GPP reference point, in this overview, points to the architectural representation in the main relevant technical specification, which in turn gives access (or will do it soon) to the most relevant information. In a few cases, it points directly to the specification.

GSM GPRS GLR LCS BICC IMS GAA OAM PCC MBMS Presence EPS 5GS ProSe V2X MTC MCS

A AAA‑* Abis B Bc Bcp Bi Bl Bm Bmb Bmn Bo Bp Bpr Bs Bsm Bt Bw Bx C CAP Cr CSC‑* Cx D Dh Dx Dz E E‑UTRAN Uu F G Ga Gb Gc GC1 Gd Gdd Ge Gf Ghv Gi GLa GLb GLc GLd GLe GLf GLg GLh GLi GLj GLk Gm Gmb Gmc Gn Gp Gr Gs Gw Gwn Gx Gxx Gy Gya Gyn Gz Gza Gzn Gxa Gxb Gxb* Gxc H HTTP‑* Hv I I1 I2 I3 I4 I5 I6 Ici Iq ISC Iub IuCS Iuh Iupc IuPS Iur Iur‑g IWF‑* Ix Izi J K L La Lb Lc Le Lg Lgd Lh Lid Lp Lpp Lr Ls LTE‑Uu M1 M2 M3 Ma Mb MB2 Mc MCData‑* MCPTT‑* MCVideo‑* MCX‑1 Mg Mi Mj Mk Ml Mm Mn Mp Mr Mr' Mx Mw Mz N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 N12 N13 N14 N15 N16 N16a N17 N18 N19 N20 N21 N22 N23 N24 N26 N27 N28 N29 N29i N30 N31 N32 N33 N34 N35 N36 N37 N38 N50 N51i N52 N55 N56 N57 N58 Nb Nc NG Nq Nq' Ns Np Nt Nu NWt NWu PC1 PC2 PC3 PC4a PC4b PC5 PC6 PC7 Pc Pen Pep Pet Peu Pex Pg Ph Pi Pk Pl Pp Pr Pw Pwp Px Rc (IMS) Rg Rp Rc (Charging) Re Rr Ro Rf Rx REST‑Rx S1‑MME S1‑U S3 S4 S5 S6a S6d S7a S7d S8 S10 S11 S11‑U S12 S13 S13' S16 S2a S2b S2c S6b S6c S6m S6n S6t S14 S101 S102 S103 S121 SBc S9 S9a S15 Sd Sp St Sy SGd SGi SGi‑mb SGmb SGs Sh Si SEAL‑* SIP‑* SLg SLh SLm SLs Sm Sn STa Sv SWa SWd SWm SWn SWu SWx Sxa Sxb Sxc T4 T6a T6ai T6b T6bi T7 T8 T9a T9b Tsms Tsp Ta Tn Ua Ub Ud Um Up Upa Ut Uu V1 V2 V3 V4 V5 V6 VAL‑* X2 xMB Xn Xw Y1 Y2 Y4 Y5 Yt Yw Za Zb Zh Zh' Zn Zpn

For a given letter, not to disrupt a logical set of reference points, the alphabetic order is sometimes not followed.