| | | 2005-04-05 | Aware, Inc. (G993_2-01) |
| | | 2005-04-07 | Adaptive Spectrum and Signal Alignment, Incorporated (G993_2-02) |
| | | 2005-05-10 | Ciena Corporation (G993_2-03) |
| | | 2005-05-13 | Infineon Technologies AG (G993_2-04) |
| | | 2005-05-16 | Broadcom Corporation (G993_2-05) |
| | | 2005-08-01 | 2Wire, Inc. (G993_2-06) |
| | | 2005-10-28 | Alcatel (G993_2-07) |
| | | 2005-10-28 | Alcatel (G993_2-10) |
| | | 2005-10-28 | Alcatel (G993_2-11) |
| | | 2005-10-28 | Alcatel (G993_2-12) |
| | | 2005-10-28 | Alcatel (G993_2-14) |
| | | 2005-10-28 | Alcatel (G993_2-15) |
| | | 2005-10-28 | Alcatel (G993_2-16) |
| | | 2005-10-28 | Alcatel (G993_2-17) |
| | | 2006-01-12 | Conexant Systems (G993_2_Amd1-01) |
| | | 2006-02-07 | Texas Instruments (G993_2-18) |
1.0 | G.993.2 | Superseded | 2006-02-17 | |
| | | 2006-08-08 | Freescale Semiconductor, Inc (G993_2-31) |
| | | 2006-11-10 | Aware, Inc. (G993_2_Amd1-02) |
| | | 2006-11-10 | Aware, Inc. (G993_2_Corrig1-01) |
| | | 2006-12-04 | Actelis Networks, Inc (G993_2-32) |
| | | 2006-12-13 | Adaptive Spectrum and Signal Alignment, Incorporated (G993_2_Amd1-03) |
1.1 | G.993.2 (2006) Cor. 1 | Superseded | 2006-12-14 | |
| | | 2007-01-22 | Ericsson, Telefonaktiebolaget LM (G993_2-33) |
1.2 | G.993.2 (2006) Amd. 1 | Superseded | 2007-04-06 | |
| | | 2007-06-27 | Aware, Inc. (G993_2_Amd2-01) |
| | | 2007-07-04 | Nortel Networks Limited (G993_2-36) |
1.3 | G.993.2 (2006) Amd. 1 Cor. 1 | Superseded | 2007-07-29 | |
1.4 | G.993.2 (2006) Cor. 2 | Superseded | 2007-07-29 | |
| | | 2008-01-15 | Cisco Systems, Inc. (G993_2_Amd3-01) |
1.5 | G.993.2 (2006) Amd. 2 | Superseded | 2008-02-06 | |
| | | 2008-02-26 | Aware, Inc. (G993_2_Amd3-02) |
| | | 2008-02-29 | Adaptive Spectrum and Signal Alignment, Incorporated (G993_2_Amd3-03) |
1.6 | G.993.2 (2006) Amd. 3 | Superseded | 2008-08-22 | |
| | | 2008-12-17 | Adaptive Spectrum and Signal Alignment, Incorporated (G993_2_Amend_4-01) |
1.7 | G.993.2 (2006) Amd. 4 | Superseded | 2009-01-13 | |
| | | 2009-05-19 | Aware, Inc. (G993_2_Cor_3-01) |
1.8 | G.993.2 (2006) Cor. 3 | Superseded | 2009-06-29 | |
| | | 2009-07-02 | Huawei Technologies Co., Ltd. (G993_2-37) |
| | | 2009-10-06 | Infineon Technologies AG (G993_2-38) |
| | | 2009-10-08 | Aware, Inc. (G993_2-39) |
| | | 2009-10-12 | Ikanos Communications, Inc. (G993_2-40) |
| | | 2009-11-18 | Huawei Technologies Co., Ltd. (G993_2-41) |
1.9 | G.993.2 (2006) Amd. 5 | Superseded | 2010-04-22 | |
| | | 2010-10-22 | Aware, Inc. (G993_2_Amd6(2010_10)-01) |
1.10 | G.993.2 (2006) Amd. 6 | Superseded | 2010-11-29 | |
| | | 2011-02-24 | Aware, Inc. (G993_2-42) |
| | | 2011-02-24 | Aware, Inc. (G993_2-43) |
1.11 | G.993.2 (2006) Cor. 4 | Superseded | 2011-04-13 | |
1.12 | G.993.2 (2006) Amd. 7 | Superseded | 2011-06-22 | |
| | | 2011-07-13 | Huawei Technologies Co., Ltd. (G993_2_Amd7-01) |
| | | 2011-10-11 | Alcatel Lucent (G993_2-44) |
| | | 2011-10-11 | Aware, Inc. (G993_2-45) |
2.0 | G.993.2 | Superseded | 2011-12-16 | |
| | | 2012-01-19 | Aware, Inc. (G993_2_Amd1-04) |
2.1 | G.993.2 (2011) Amd. 1 | Superseded | 2012-04-06 | |
2.2 | G.993.2 (2011) Cor. 1 | Superseded | 2012-06-13 | |
2.3 | G.993.2 (2011) Amd. 2 | Superseded | 2012-12-07 | |
| | | 2013-02-01 | TQ DELTA, LLC (G993_2_Amd3-04) |
2.4 | G.993.2 (2011) Amd. 3 | Superseded | 2013-04-22 | |
2.5 | G.993.2 (2011) Amd. 4 | Superseded | 2013-08-29 | |
2.6 | G.993.2 (2011) Amd. 5 | Superseded | 2014-01-13 | |
| | | 2014-05-19 | TQ DELTA, LLC (G993_2-46) |
| | | 2014-08-22 | Adtran, Inc. (G993_2-47) |
3.0 | G.993.2 | Superseded | 2015-01-13 | |
| | | 2015-01-23 | TQ DELTA, LLC (G993_2_Amd6-01) |
| | | 2015-01-23 | TQ DELTA, LLC (G993_2-48) |
| | | 2015-02-02 | Alcatel Lucent (G993_2_Amd6-02) |
2.7 | G.993.2 (2011) Amd. 6 | Superseded | 2015-05-22 | |
| | | 2015-06-08 | Ikanos Communications, Inc. (G993_2-49) |
3.1 | G.993.2 (2015) Amd. 1 | Superseded | 2015-11-06 | |
| | | 2015-11-09 | Lantiq Beteiligungs GmbH & Co KG (G993_2-50) |
3.2 | G.993.2 (2015) Amd. 2 | Superseded | 2016-03-29 | |
3.3 | G.993.2 (2015) Cor. 1 | Superseded | 2016-11-13 | |
3.4 | G.993.2 (2015) Amd. 3 | Superseded | 2018-02-09 | |
3.5 | G.993.2 (2015) Amd. 4 | Superseded | 2018-05-07 | |
| | | 2018-09-09 | Lantiq Beteiligungs GmbH & Co KG (G993_2-51) |
4.0 | G.993.2 | In force | 2019-02-22 | |