Sipnetic is a free VoIP softphone based on the SIP protocol. It allows you to connect to your VoIP provider, cloud PBX, or corporate telephony server.
⚠️ Important note
Sipnetic does not offer VoIP service. To use Sipnetic, you need an account with a SIP service provider. Some features may not be supported by all SIP providers.
Characteristics:
• Compatibility with all standards compliant VoIP and PBX providers.
• Supports calls via 3G / 4G and Wi-Fi.
• Modern user interface.
• Excellent audio quality provided by the Wideband Opus codec. Legacy codecs, such as G.722, G.711, Speex, and GSM, are also supported.
• Acoustic echo cancellation and automatic gain control.
• Video calls using the H.264 codec (available as a premium feature).
• Support for various NAT traversal techniques including STUN, TURN, and ICE.
• Instant messaging with text and voice chat functionality.
• Secure calls based on TLS, SRTP and ZRTP protocols. End-to-end encryption of chat messages with OTRv3 protocol. ZRTP and OTR support is available as a Premium feature.
• Integration with system contacts, including integrated contact editor.
• Support for presence information based on the SIMPLE protocol suite.
• Support for multiple SIP accounts with automatic account selection.
• Advanced telephony features: support for multiple calls, call waiting, assisted transfer, sending DTMF digits, voice message waiting indication.
• Experimental walkie-talkie mode well suited to low bandwidth links.
• Light and dark user interface themes (available as a Premium feature).
• No advertising, no user tracking, no collection of personal data.
• Available in English, German, Russian and Ukrainian.
📹 Video calling experience may vary depending on device capabilities and firmware. Sipnetic still uses the system implementation of the H.264 codec. Android 5.0 or higher is recommended.
