Sipnetic

Fast, modern, secure SIP client

Sipnetic is a free VoIP softphone based on the SIP protocol. It allows you to connect to your VoIP provider, cloud PBX, or an enterprise telephony server.

⚠️ Important note

Sipnetic doesn’t offer a VoIP service. To use Sipnetic you need an from a SIP service provider. When you use the New Wizard, make sure you already have the server address, , and .

Unfortunately, since Dec, 26 it's no longer possible to purchase Sipnetic's paid features on Google Play. Please us via email ([email protected]) for more details.

Features:

• Compatibility with all standards-compliant VoIP providers and PBXes.

• s calling over 3G/4G and Wi-Fi.

• Modern UI.

• Great audio quality provided by the Wideband Opus codec. Legacy codecs, such as G.722, G.711, G.729, Speex, and GSM, are also ed.

• Acoustic echo cancellation and automatic gain control.

• Video calls using H.264 and VP8 codecs (Available as a Feature).

• for various NAT traversal techniques, including STUN, TURN, and ICE.

• Instant Messaging with text and voice chat capabilities.

• Secure calls based on TLS, SRTP, and ZRTP protocols. End-to-end encryption of chat messages with OTRv3 protocol. ZRTP and OTR is available as a Feature.

• Integration with system s including built-in editor.

• Presence information based on the SIMPLE protocol suite.

• Multiple SIP s with automatic selection.

• Ability to quickly configure an by scanning a QR code.

• Advanced telephony features: call waiting, placing call on hold, attended transfer, sending DTMF digits, number rewriting, voicemail message waiting indication.

• Experimental Walkie-Talkie mode well suited for low-bandwidth links.

• Eight UI color themes.

• No ads, no tracking, no personal data collection.

• Available in English, Dutch, French, German, Portuguese, Russian, and Ukrainian.

📹 Video calls experience may vary depending on the device and firmware capabilities. Sipnetic always uses the video codecs provided by the system. Android 7.0 or higher is recommended.