Zoiper 3.15 is a legacy, high-stability version of the SIP and IAX softphone for Windows. While the current flagship version is Zoiper 5, version 3.15 remains popular due to its low resource consumption and reliability with specific PBX setups. Key Features of Zoiper 3.15 for Windows
| Component | Minimum Requirement | Recommended | |-----------|---------------------|--------------| | OS | Windows 10 64-bit (build 1607+) | Windows 11 64-bit or Windows Server 2022 | | CPU | Dual-core 1.8 GHz | Quad-core 2.5 GHz+ | | RAM | 2 GB | 4 GB+ | | Storage | 200 MB free | 500 GB (for logs & recordings) | | Audio | Microphone & speakers | USB headset with noise cancellation | | Network | Broadband (100 kbps per call) | Symmetric broadband (1 Mbps for video) | zoiper+315+for+windows+64+bit+new
Download: Ensure you are downloading the installer from a reputable source. Look for the specific "Windows 64-bit" or "Win64" version to get the best performance. Zoiper 3
Multi-Protocol Support: Easily switch between SIP and IAX2 accounts within a single interface. Look for the specific "Windows 64-bit" or "Win64"