| 04.68 | A025 | - | | R2000 | Introduction of Originator-to-dispatcher information into VGCS | N1-000677 | agreed | P-00-255 | approved | 9.0.0 |
| 04.68 | A024 | - | 8.0.0 | R1999 | Addition of cause values | N1-000469 | agreed | NP-000089 | approved | 8.1.0 |
| 04.68 | A023 | - | 7.1.0 | R1998 | Addition of cause values | N1-000468 | agreed | NP-000089 | approved | 7.2.0 |
| 04.68 | A022 | - | 6.2.0 | R1997 | Addition of cause values | N1-000467 | agreed | NP-000089 | approved | 6.3.0 |
| 04.68 | A021 | - | 5.4.0 | R1996 | Addition of cause values | N1-000429 | agreed | NP-000089 | approved | 5.5.0 |
| 04.68 | A020 | - | 7.0.0 | R1998 | Message name correction | N1-99804 | agreed | NP-99267 | approved | 7.1.0 |
| 04.68 | A019 | - | 6.1.0 | R1997 | Message name correction | N1-99804 | agreed | NP-99267 | approved | 6.2.0 |
| 04.68 | A018 | - | 5.3.0 | R1996 | Message name correction | N1-99804 | agreed | NP-99267 | approved | 5.4.0 |
| 04.68 | A017 | - | 7.0.0 | R1998 | Correction of Reject Cause in Termination Reject message | N1-99752 | agreed | NP-99267 | approved | 7.1.0 |
| 04.68 | A016 | - | 6.1.0 | R1997 | Correction of Reject Cause in Termination Reject message | N1-99752 | agreed | NP-99267 | approved | 6.2.0 |
| 04.68 | A015 | - | 5.3.0 | R1996 | Correction of Reject Cause in Termination Reject message | N1-99752 | agreed | NP-99267 | approved | 5.4.0 |
| 04.68 | A014 | 2 | 6.0.0 | R1997 | Coding of Call Reference IE | N1-99167 | | P-99-553 | approved | 6.1.0 |
| 04.68 | A013 | - | 6.0.0 | R1997 | Group call control states, IE state attributes | 3A99-053 | agreed | P-99-553 | approved | 6.1.0 |
| 04.68 | A012 | - | 6.0.0 | R1997 | GCC states, state attributes | 3A99-052 | agreed | P-99-553 | approved | 6.1.0 |
| 04.68 | A011 | - | 6.0.0 | R1997 | GCC protocol | 3A99-051 | agreed | P-99-553 | approved | 6.1.0 |
| 04.68 | A010 | - | 6.0.0 | R1997 | Definition of eMLPP level | 3A99-050 | agreed | P-99-553 | approved | 6.1.0 |
| 04.68 | A009 | 2 | 5.2.0 | R1996 | Coding of Call Reference IE | N1-99167 | | P-99-451 | approved | 5.3.0 |
| 04.68 | A008 | - | 5.1.0 | R1996 | Group call control states, IE state attributes | 3A99-053 | agreed | P-99-150 | approved | 5.2.0 |
| 04.68 | A007 | - | 5.1.0 | R1996 | GCC states, state attributes | 3A99-052 | agreed | P-99-150 | approved | 5.2.0 |
| 04.68 | A006 | - | 5.1.0 | R1996 | GCC protocol | 3A99-051 | agreed | P-99-150 | approved | 5.2.0 |
| 04.68 | A005 | - | 5.1.0 | R1996 | Definition of eMLPP level | 3A99-050 | agreed | P-99-150 | approved | 5.2.0 |
| 04.68 | A004 | 2 | | R1996 | Set Status Procedure | 98p202 | | 98-0679 | approved | 5.1.0 |
| 04.68 | A003 | - | | R1996 | Get Status Procedure | 98p202 | | 98-0679 | approved | 5.1.0 |
| 04.68 | A002 | 2 | | R1996 | GSM 04.68 Corrections. | 98p202 | | 98-0679 | approved | 5.1.0 |