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. When you use the New Account Wizard, make sure you already have the server address, login, and password.
Features:
• 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, 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 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: 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 user tracking, no personal data collection.
• Available in English, Dutch, French, German, 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.
• Added French translation
• Fixed connectivity problems with some VPN configurations
• Fixed bugs in "Manage accounts" screen when there are many SIP accounts
• UI improvements
If you have feedback or issues, please email us at sipnetic@gmail.com
• New improved in-call screen
• Improved support for video calls
If you have feedback or issues, please email us at sipnetic@gmail.com
• Improved support for Android 13+
• Minor UI improvements
If you have feedback or issues, please email us at sipnetic@gmail.com
• Fixed connectivity issues over VPN on some configurations
• Support for per-app language preferences (Android 13+)
If you have feedback or issues, please email us at sipnetic@gmail.com
• Improved detection of network settings
• Added support for G.729 audio codec
• Added option to disable the New account wizard (When disabled, adding an account will simply show all available settings)
• Added ability to open various Android settings screens from the app's Advanced settings page
• Minor UI tweaks
If you have feedback or issues, please email us at sipnetic@gmail.com
• 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 sipnetic@gmail.com
• Bug fixes
If you have feedback or issues, please email us at sipnetic@gmail.com
• Improved support for Android 12+
• Fixed issues with IPv6 connectivity
• Added support for sending DTMF using SIP INFO
• Added Dutch translation
• Fixed VP8 codec initialization error
• Improved UI
If you have feedback or issues, please email us at sipnetic@gmail.com
• Added ability to send diagnostic logs and delete them
• Fixed issue with attended transfers not working on some setups
• Fixed issues with UDP over IPv6
If you have feedback or issues, please email us at sipnetic@gmail.com
• Fixed connectivity issue when VPN is active
If you have feedback or issues, please email us at sipnetic@gmail.com
• Added support for IPv6
• Added new options in "Advanced SIP settings"
• Bumped target SDK to 30 (Android 11)
If you have feedback or issues, please email us at sipnetic@gmail.com
• Added the ability to assign ringtones to accounts
• Bug fixes
If you have feedback or issues, please email us at sipnetic@gmail.com
• Improved contact editor
• Added new preference to disable call history
• Bug fixes
If you have feedback or issues, please email us at sipnetic@gmail.com
• Fixed issue with G.722 codec
If you have feedback or issues, please email us at sipnetic@gmail.com
• Added support for VP8 video codec
• Added more color themes
• Added option to select the sound played when a call ends
• Fixed matching of phone numbers to contacts for outgoing calls
• Fixed selection of default number when "Show only SIP contacts" option is enabled
• Added new option in "Advanced SIP settings"
• Default font size changed to Medium
• Various other bug fixes
If you have feedback or issues, please email us at sipnetic@gmail.com
• Fix a bug with certificate name validation when using TLS
• Added more VoIP providers to the list of supported providers
If you have feedback or issues, please email us at sipnetic@gmail.com
• Bug fixes
If you have feedback or issues, please email us at sipnetic@gmail.com
• Added new account options
• Added more VoIP providers to the list of supported providers
• SIP stack improvements
If you have feedback or issues, please email us at sipnetic@gmail.com
• Improved number rewriting feature; it now allows adding a prefix
• Added option to set font size
• Added option to group contacts by presence status
• Added "Compose message" button in Messages tab
• Account display name is now preferred over SIP ID when the account name is shown
• Added Ukrainian localization
• Fixed some bugs
• Added ability to copy and paste phone numbers and message text
If you have feedback or issues, please email us at sipnetic@gmail.com
• Added date display in chat screen
• Fixed a bug in contact search
• Fixed some UI bugs
• The app now doesn't show its main screen when it automatically starts up with the system
• Added Caller ID options to the "Advanced SIP settings" screen
• Added more VoIP providers to the list of supported providers
If you have feedback or issues, please email us at sipnetic@gmail.com
• Added new premium feature which includes support for attended call transfers
(to start transfer place the call on hold using the pause button)
• Added "Tap to return to call" message
• Added ability to change the font size of messages with a gesture
• Updated German localization
• Some minor bug fixes
If you have feedback or issues, please email us at sipnetic@gmail.com
• Improved matching of phone numbers to contacts
• Improved support for contacts with multiple numbers
• Improved search in Dial Pad: all contact fields are now searchable
• Added support for number rewriting
• Tapping on user's picture in contacts now opens the contact details screen
• Fixed screen not turning on for an incoming call
• Fixed QR code scanner not working on old devices
• Some improvements in UI
If you have feedback or issues, please email us at sipnetic@gmail.com
• Bug fixes
If you have feedback or issues, please email us at sipnetic@gmail.com
• Fixed microphone issues on some Samsung devices
• Fixed issues with AEC on 64-bit ARM devices
• Added new account options
• Added an option to enabled Opus FEC
• Fixed problem with DNS server list which caused hostname resolution to fail
• Fixed some crashes
If you have feedback or issues, please email us at sipnetic@gmail.com
• Fixed issue on Android 10 where incoming call screen did not appear
(The "Appear on top" permission must be granted)
• Small UI improvements
If you have feedback or issues, please email us at sipnetic@gmail.com
