Older versions often ran in emulation mode on 64-bit systems. The is compiled natively for 64-bit. This means:
For now, version 315 is the most stable base for these upcoming features. zoiper+315+for+windows+64+bit+new
Zoiper 3 (specifically version 3.15) is an older "classic" version of the softphone, but you can still find it for Windows systems. The modern standard is , which includes a native 64-bit build within its installer. Download and Compatibility Older versions often ran in emulation mode on 64-bit systems