Windows SoftPhone -short description

    Mizu Softphone (MizuPhone) is a professional VoIP softphone based on the open standard SIP protocol with an easy to use interface for the Microsoft Windows operating system. With MizuPhone you can connect to any SIP (proxy and/or registrar) server on the public internet or on your local area network.
   The Mizu VoIP Softphone offers the best possibly call quality in all circumstances be it low quality internet or broadband access with HD audio and will integrate seamlessly with your desktop without disturbing you in your everyday work. While you are not in call or chat, it is listening in the background for incoming calls without any impact for your system performance, providing professional features such as unified communication and voice recording.

    MizuPhone is a free softphone for nonprofessional usage. Download softphone
    The pro version cost is $49: buy now

SoftPhone key features

  • All windows editions are supported: XP, Vista, 7, 10, 11 and others
  • Seamless integration with windows desktop with minimal CPU/RAM usage
  • Easy to use customizable intuitive user interface with integrated contact list and history
  • Rich features set: voice calls, video, chat, presence, contact management, call recording and others
  • Call divert features: mute, hold, redial, forward, transfer, conference, voicemail
  • Business integration: SMS, P2P calls, callback, payments, rating/ balance display and others
  • A long list of SIP standards are supported
  • Extra features such as file transfer and remote desktop over VoIP
  • Audio enhancements: echo canceller (AEC), automatic gain control (AGC), voice activity detection (VAD), packet loss concealment (PLC), automatic QoS, noise suppression, wideband HD audio
  • Transport protocols: UDP, TCP, TLS, HTTP, SIP, SIPS, RTP, SRTP
  • DTMF (In-band, RFC 2833 and SIP INFO)
  • Audio Codecs: G711, G.722, G.723, G726, G729, GSM, iLBC, L16, Speex, Opus
  • Video Codecs: MPEG4, Theora, H263, H264, VP8
  • Network handling: UPNP, STUN, ICE, firewall and NAT detection
  • Built-in VoIP tunneling and encryption (optional)
  • Intelligent P2P based shortest network path detection and end to end encrypted media
  • Branding and full customization for companies
  • And many more...

Benefits

  • Easy to use, automatic detection and optimization for network, audio and PC configuration
  • Modern customizable user interface with business integration
  • Clear voice quality with media enhancements including AEC, AGC, PLC, denoise and auto QoS
  • Automatic network handling: UPNP, STUN, ICE, firewall, NAT detection and optional tunneling with encryption
  • All common industrial and wideband codec is included (including G.729 and HD Audio)
  • Extra features such as scripting, call recording, end to end encrypted media, file transfer and many others

FAQ

What is a softphone?

A softphone is a software program for making telephone calls over the Internet (VoIP) using a PC, rather than dedicated hardware phone. Using a softphone you can usually make free IP to IP calls and calls to PSTN (landline, mobile) with the usual low VoIP rates.

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EDITIONS

Classic Edition
MizuPhone Classic is a full featured native softphone for Windows with a small footprint and efficient hardware resource utilization. 
Free and Pro versions are available.  Download softphone Learn more about classic softphone

Modern Edition
MizuPhone Modern is a customizable softphone for Windows with flexible user interface and business integration capabilities. Download softphone Learn more about classic softphone

Customized Softphone
We provide fully customized and branded softphone for companies.
The customization options can be found here or you might check our All-In-One Softphone offer.Order softphone

Now it is possible to customize and build the windows softphone yourself from here.

screenshots

Windows Softphone Classic Windows Softphone Modern