NanoCall - lightweight VoIP softphone

NanoCall 2.1.3

Lightweight. Fast. Reliable VoIP Calling.

NanoCall is a simple, ultra-lightweight SIP-based softphone designed for seamless VoIP communication. With a minimal interface and low system resource usage, NanoCall lets you make high-quality audio and video calls without unnecessary bloat.

Unlike bulky VoIP clients, NanoCall focuses on speed, efficiency, and reliability. Whether you're a casual user or managing multiple SIP accounts, NanoCall gives you the tools you need without slowing your system down.

Download

Current version: 2.1.3 (released December 15, 2024)

Platform	Version	Size	Download
Windows (32-bit)	2.1.3	8.2 MB	nanocall-2.1.3-win32.exe
Windows (64-bit)	2.1.3	8.5 MB	nanocall-2.1.3-win64.exe
macOS	2.1.3	7.8 MB	nanocall-2.1.3-macos.dmg
Linux	2.1.3	6.9 MB	nanocall-2.1.3-linux.tar.gz

Key Features

SIP Compatibility Works with any standard SIP account SIP 2.0 (RFC 3261) compliant Multiple account support Auto-discovery features	Audio & Video Crystal-clear HD audio (G.722) Video calling support (H.264) Echo cancellation Noise reduction	Security TLS & SRTP encryption Secure authentication Certificate validation Privacy protection
Lightweight Design No installation required Minimal system resources Small download size (<10MB) Portable application	User Interface Simple, intuitive design Customizable hotkeys System tray integration Multiple themes	Call Management Call history Favorites/contacts DTMF support Call transfer

System Requirements

Component	Minimum	Recommended
Operating System	Windows 7, macOS 10.12, Linux	Windows 10, macOS 11+, Ubuntu 20.04+
Memory (RAM)	512 MB	1 GB or more
Disk Space	20 MB	50 MB
Network	64 kbps internet connection	Broadband connection (1 Mbps+)
Audio Device	Sound card with microphone	USB headset or dedicated audio device

Quick Setup

1. Download and run - No installation required, just download and run the executable file.

2. Configure account - Enter your SIP credentials (username, password, server) from your VoIP provider.

3. Start calling - Once registered, you can make and receive calls immediately.

For detailed configuration instructions, see the User Manual or Configuration Guide.

Frequently Asked Questions

Q: Is NanoCall really free?
A: Yes, NanoCall is completely free to use with no restrictions or hidden costs.

Q: What SIP providers work with NanoCall?
A: NanoCall works with any standard SIP provider including Vonage, RingCentral, 3CX, FreePBX, and hundreds of others.

Q: How much bandwidth does NanoCall use?
A: Approximately 64-100 kbps for audio calls and 200-500 kbps for video calls, depending on codec selection.

Q: Can I use multiple SIP accounts?
A: Yes, NanoCall supports multiple SIP accounts with easy switching between them.