| Version | Change log |
| MicroSIP Portable 3.21.5 Oct 9, 2024 |
Call transfer: option feature codes (blind and attended transfers) Presence: added the ability to transfer presence information via the user directory Minor fixes |
| MicroSIP Portable 3.21.4 May 20, 2024 | |
| MicroSIP Portable 3.21.3 Sep 22, 2022 | |
| MicroSIP Portable 3.21.2 Jun 1, 2022 | |
| MicroSIP Portable 3.21.1 May 9, 2022 |
