| 02.04 | A032 | - | 8.0.0 | R1999 | ECT spec number corrected to 02.91 | - | agreed | P-99-373 | approved | 8.1.0 |
| 02.04 | A031 | - | 7.1.0 | R1998 | ECT spec number corrected to 02.91 | - | agreed | P-99-373 | approved | 7.1.1 |
| 02.04 | A030 | - | 6.1.0 | R1997 | ECT spec number corrected to 02.91 | - | agreed | P-99-373 | approved | 6.1.1 |
| 02.04 | A029 | - | 5.7.2 | R1996 | ECT spec number corrected to 02.91 | 1-99-100 | agreed | P-99-373 | approved | 5.7.3 |
| 02.04 | A028 | - | 8.0.0 | R1999 | GSM Data Streamlining | 1-99-097 | agreed | P-99-368 | approved | 8.1.0 |
| 02.04 | A027 | - | | R1999 | Removal of designators since they are not needed | 98-766b | withdrawn | P-99-031 | | |
| 02.04 | A026 | - | | R1999 | Use of USSD for application-to-application communication | 98-653b | withdrawn | P-99-036 | | |
| 02.04 | A025 | - | | R1999 | Addition of Supplementary Code for GPRS. | 98-813c | withdrawn | P-99-031 | | |
| 02.04 | A024 | - | 7.0.0 | R1998 | Addition of Supplementary Code for GPRS. | 98-813b | agreed | P-99-031 | approved | 7.1.0 |
| 02.04 | A023 | - | 7.0.0 | R1998 | Removal of designators since they are not needed | 98-766a | agreed | P-99-031 | approved | 7.1.0 |
| 02.04 | A022 | 1 | | R1999 | Use of USSD for application-to-application communication | 98-653a | agreed | P-99-316 | approved | 8.0.0 |
| 02.04 | A021 | - | | R1997 | Addition of Supplementary Code for GPRS. | 98-813a | agreed | P-99-031 | approved | 6.1.0 |
| 02.04 | A020 | - | | R1997 | eMLPP & Emergency Calls | 97-293 | | 97-651 | approved | |
| 02.04 | A019 | - | | R1998 | includes MSP in table | 97-313 | | 97-651 | approved | |
| 02.04 | A018 | - | | R1997 | SS CNAP:Introduction of the Calling Name Presentation Supplementary Service | 97-202 | | 97-799 | approved | |
| 02.04 | A017 | 1 | 5.5.0 | R1996 | eMLPP applicability | n/a | | 307/97 | approved | 5.6.0 |
| 02.04 | A016 | - | | R1997 | SS CCBS: Differentiation between CCBS service & CCBS request in stage 1 | 147 | | 301/97 | approved | |
| 02.04 | A015 | 1 | 5.5.0 | R1996 | VGCS and VBS applicability to SSs | n/a | | 307/97 | approved | 5.6.0 |
| 02.04 | A014 | - | 5.4.0 | R1996 | Include CCBS into GSM 02.04 | - | agreed | 286/97 | approved | 5.5.0 |
| 02.04 | A012 | - | 5.3.0 | R1996 | General bearer services | 96P516 | agreed | 609/96 | approved | 5.4.0 |
| 02.04 | A010 | 1 | 5.4.0 | R1996 | Multiple Subscriber Profile | 407/96 | agreed | 286/97 | withdrawn | |
| 02.04 | A009 | - | 5.2.0 | R1996 | Introduction of Call Deflection | 243/96 | agreed | 364/96 | approved | 5.3.0 |
| 02.04 | A008 | - | 5.2.0 | R1996 | Inclusion of the SPNP service in GSM 02.04 | 212/96 | agreed | 362/96 | approved | 5.3.0 |
| 02.04 | A007 | - | 5.1.0 | R1996 | Introduction of UUS | 139/96 | agreed | 222/96 | approved | 5.2.0 |
| 02.04 | A006 | - | 5.1.0 | R1996 | Applicability to telecommuncations services for SPNP | 105/96 | agreed | 224/96 | approved | 5.2.0 |
| 02.04 | A005 | 2 | | R1996 | Addition of handling for VBS, VGCS and eMLPP services | 285/95 | agreed | 052/96 | approved | 5.1.0 |
| 02.04 | A001 | - | | Ph2 | CLIR Interrogation | - | agreed | 592/94 | approved | 4.8.0 |
| 02.04 | 0054 | - | 4.6.0 | Ph2 | Support of CLIR with CLIP and CoLP with CoLR | - | | 325/94 | approved | 4.7.0 |
| 02.04 | 0053 | 1 | 4.6.0 | Ph2 | Introduction of definition of Quiescent and clarification of text | - | | 194/93 | approved | 4.7.0 |
| 02.04 | 0052 | - | 4.6.0 | Ph2 | Non support of CLIR and CoLR in VPLMN | - | | 193/94 | approved | 4.7.0 |
| 02.04 | 0051 | - | 4.5.1 | Ph2 | Creation of 02.90: stage 1 description of USSD | - | | 587/93 | approved | 4.6.0 |
| 02.04 | 0050 | - | 4.5.1 | Ph2 | USSD Alphabet/language | - | | 587/93 | approved | 4.6.0 |
| 02.04 | 0049 | - | 4.5.1 | Ph2 | Alignments to other specifications | - | | 532/93 | approved | 4.6.0 |
| 02.04 | 0048 | - | | Ph2 | Editorial alignments | - | | 380/93 | approved | |
| 02.04 | 0047 | 1 | | Ph2 | PAD/Packet Basic Service Groups | - | | 93/93 | approved | 4.7.0 |
| 02.04 | 0046 | - | | Ph2 | 12kbit/s Unrestricted digital | - | | 92/93 | approved | |
| 02.04 | 0045 | 2 | | Ph2 | USSD | - | | 91/93 | approved | |
| 02.04 | 0044 | - | | Ph2 | Future Supplementary Services | - | | 404/92 | approved | 4.7.0 |
| 02.04 | 0043 | - | | Ph2 | Unstructured SS Data | - | | 396/92 | approved | |
| 02.04 | 0042 | - | | Ph2 | Teletex | - | | 326/92 | approved | 4.7.0 |
| 02.04 | 0041 | - | | Ph2 | Alignment, definition of new chapter | - | | 297/92 | approved | |
| 02.04 | 0040 | - | | Ph2 | BS61/82 and SS | - | | 283/92 | approved | |
| 02.04 | 0039 | - | | Ph2 | Videotex and MHS | - | | 283/92 | approved | |
| 02.04 | 0038 | 1 | | Ph2 | Compatibility info and SS | - | | 283/92 | approved | |
| 02.04 | 0037 | - | | Ph2 | Unstructured SS Data | - | | 283/92 | approved | |
| 02.04 | 0036 | 1 | | Ph2 | SS Provision | - | | 154/92 | approved | 4.7.0 |
| 02.04 | 0035 | - | | Ph2 | Act/Deact of CW | - | | 6/92 | approved | 4.7.0 |
| 02.04 | 0034 | - | | Ph2 | Notification of partial success | - | | 5/92 | approved | |
| 02.04 | 0033 | - | | Ph2 | Grouping of Supplementary Services | - | | 4/92 | approved | |
| 02.04 | 0032 | - | | Ph2 | Incorrect Password handling | - | | - | | |
| 02.04 | 0031 | 2 | | Ph2 | Basic Service Groups | - | | 302/91 | approved | 4.7.0 |
| 02.04 | 0030 | 1 | | Ph2 | Clarifications/Alignment of spec. | - | | 305/91 | approved | |
| 02.04 | 0029 | 1 | 3.6.1 | Ph1 | Processing of Supplementary Service Operations | - | | 10/91 | approved | 3.7.0 |
| 02.04 | 0027 | - | | Ph1 | SUPPLEMENTARY SERVICES PROCEDURES | - | | 19/90r1 | approved | |
| 02.04 | 0026 | - | | Ph1 | PASSWORD REGISTRATION | - | | 14/90r1 | approved | |
| 02.04 | 0025 | - | | Ph1 | DEACTIVATION CAUSED BY ACTIVATION OF ANOTHER SERVICE | - | | 420/89 | approved | |
| 02.04 | 0023 | - | | Ph1 | CATEGORIES OF SUPPL. SERVICES | - | | 421/89 | approved | |
| 02.04 | 0022 | - | | Ph1 | INTERROGATION FOR BARRING OF OUTGOING CALLS | - | | 404/89r1 | approved | |
| 02.04 | 0021 | - | | Ph1 | BARRING SERVICES | - | | 417/89 | approved | |
| 02.04 | 0020 | 2 | | Ph1 | PASSWORD HANDLING | - | | 422/89 | approved | |
| 02.04 | 0019 | 1 | | Ph1 | CATEGORYS OF SUPPL. SERV. | - | | 387/89 | approved | |
| 02.04 | 0018 | - | | Ph1 | FORMAT OF DESCRIPTION | - | | 282/89 | approved | |
| 02.04 | 0017 | - | | Ph1 | INTERROGATION OF SUPPLEMENTARY SERVICES AFTER A RESTORATION | - | | - | postponed | |
| 02.04 | 0016 | - | | Ph1 | ACTIVATION AND INDICATION OF SUPPLEMENTARY SERVICES | - | | 282/89 | approved | |
| 02.04 | 0015 | - | | Ph1 | Response from MSC to interrogation of Supplementary Services | - | | - | approved | |
| 02.04 | 0014 | - | | Ph1 | Hold and retrieve functions | - | | - | approved | |
| 02.04 | 0013 | - | | Ph1 | Interrogation of parameter for call forwarding on no reply | - | | - | approved | |
| 02.04 | 0011 | - | | Ph1 | Use of password for call barring | - | | - | approved | |
| 02.04 | 0010 | - | | Ph1 | Interaction of Advice of Charge with call forwarding | - | | - | approved | |
| 02.04 | 0009 | - | | Ph1 | Call Forwarding, validation of information related to the forwarded to number | - | | - | approved | |
| 02.04 | 0008 | - | | Ph1 | Grouping of some call forwarding services | - | | - | approved | |
| 02.04 | 0007 | - | | Ph1 | Deletion of schedule | - | | - | approved | |
| 02.04 | 0005 | - | | Ph1 | Connected number identification restriction | - | | - | approved | |
| 02.04 | 0002 | - | | Ph1 | Call forwarding unconditional: Erasure and basic services | - | | - | approved | |
| 02.04 | 0001 | - | | Ph1 | Roaming limitation of subscriber operation on call barring | - | | - | approved | |
| 02.04 | 0000 | - | | Ph1 | Completion of further study. | - | | - | approved | |