| 32.581 | 0011 | - | 12.0.0 | Rel-12 | Rel 12 CR 32.581 Requirements for energy saving management for HNBs | S5-145170 | withdrawn | - | | |
| 32.581 | 0010 | 2 | 10.1.0 | Rel-10 | Correction of requirements for HNB non-IPsec usage - alignment with 33.320 | S5-112139 | agreed | SP-110288 | approved | 10.2.0 |
| 32.581 | 0009 | 2 | 9.2.0 | Rel-9 | Correction of requirements for HNB non-IPsec usage - alignment with 33.320 | S5-112135 | agreed | SP-110288 | approved | 9.3.0 |
| 32.581 | 0008 | 1 | 10.0.0 | Rel-10 | Add LIPA management requirements | S5-111457 | agreed | SP-110099 | approved | 10.1.0 |
| 32.581 | 0008 | - | 10.0.0 | Rel-10 | CR R10 32.581 Add LIPA management requirements | S5-111089 | revised | - | | |
| 32.581 | 0007 | - | 9.2.0 | Rel-10 | Missing Requirement for an operator’s defined time period at the HNB | S5-101549 | agreed | SP-100264 | approved | 10.0.0 |
| 32.581 | 0006 | - | 9.1.0 | Rel-9 | Correction of file transfer mechanisms in HNB type 1 interface | S5-100478 | agreed | SP-100035 | approved | 9.2.0 |
| 32.581 | 0005 | - | 8.1.0 | Rel-8 | Correction of file transfer mechanisms in HNB type 1 interface | S5-100477 | agreed | SP-100034 | approved | 8.2.0 |
| 32.581 | 0004 | - | 9.0.0 | Rel-9 | New CM, FM & SM specification level requirements for HNB Management | S5-093528 | agreed | SP-090540 | approved | 9.1.0 |
| 32.581 | 0003 | - | 9.0.0 | Rel-9 | Add missing description of AddObject and DeleteObject RPC method in configuration management according to BBF LS | S5-093108 | agreed | SP-090534 | approved | 9.1.0 |
| 32.581 | 0002 | - | 8.0.0 | Rel-8 | Add missing Description of AddObject and DeleteObject RPC method in configuration management according to BBF LS | S5-093107 | agreed | SP-090534 | approved | 8.1.0 |
| 32.581 | 0001 | - | 8.0.0 | Rel-9 | Add requirements for HNB informing the HMS of the changes in radio environment | S5-092632 | agreed | SP-090295 | approved | 9.0.0 |