Sipnetic

Fast, modern and 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 business phone server.

⚠️ Important note

Sipnetic does not offer VoIP service. To use Sipnetic you need an account with a SIP service provider. When using the New Account Wizard, make sure you already have the server address, login and password.

Resources:

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

• Supports calls by 3G/4G and Wi-Fi.

• Modern UI.

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

• Acoustic echo cancellation and automatic gain control.

• Video calls using H.264 and VP8 codecs (available as a Premium feature).

• Support 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 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.

• Ability to quickly set up an account by scanning a QR code.

• Advanced telephony features: call waiting, call waiting, assisted transfer, sending DTMF digits, number rewriting, message waiting voicemail indication.

• Experimental Walkie-Talkie mode suitable for low bandwidth links.

• Eight UI color themes.

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

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

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