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 account from a SIP service provider. Some features may be not supported by all SIP providers.

• Compatibility with all standards-compliant VoIP providers and PBXes.
• Supports 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, 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 built-in contact editor.
• Presence information support based on the SIMPLE protocol suite.
• Multiple SIP accounts support with automatic account selection.
• Ability to quickly configure an account by scanning a QR code.
• Advanced telephony features: support for multiple calls, 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 user tracking, no personal data collection.
• Available in English, German, Dutch, Russian, and Ukrainian.

📹 Video calls experience may vary depending on the device and firmware capabilities. Sipnetic always uses the system implementation of the H.264 codec. Android 7.0 or higher is recommended.

From version Sipnetic 1.0.49:

• Improved compatibility with VoIP servers
• Added system notification for voicemail
• Added RTP port range settings
• Remote contact is now correctly updated after call transfers and redirects
• Restored handling of SIP URIs by the app

If you have feedback or issues, please email us at

All versions
Sipnetic 1.0.49
April 8, 2023


Uploaded:April 8, 2023 at 4:20AM UTC

File size:10.13 MB


Sipnetic 1.0.48
November 21, 2022


Uploaded:November 21, 2022 at 7:27AM UTC

File size:10.13 MB


Sipnetic 1.0.47
October 23, 2022


Uploaded:October 23, 2022 at 4:07AM UTC

File size:9.96 MB


Sipnetic 1.0.46
July 9, 2022


Uploaded:July 9, 2022 at 6:36AM UTC

File size:9.61 MB


Sipnetic 1.0.45
April 6, 2022


Uploaded:April 6, 2022 at 5:57PM UTC

File size:9.61 MB


Sipnetic 1.0.44
February 28, 2022


Uploaded:February 28, 2022 at 1:07PM UTC

File size:9.6 MB


Sipnetic 1.0.43
January 25, 2022


Uploaded:January 25, 2022 at 3:50PM UTC

File size:9.57 MB