Sipnetic 1.1.6

Sipnetic is a free VoIP softphone application that operates on the SIP protocol. It facilitates connections with VoIP providers, cloud PBX systems, and enterprise telephony servers.

Important Note: Sipnetic does not offer a VoIP service on its own. Users are required to have an account with a SIP service provider. During the setup using the New Account Wizard, ensure the availability of server address, login credentials, and password.

Key Features:

• Compatibility with all VoIP providers and PBX systems adhering to standards.
• Support for calls via 3G/4G and Wi-Fi connections.
• Modern user interface design.
• High-quality audio facilitated by the Wideband Opus codec. It also supports legacy codecs like G.722, G.711, G.729, Speex, and GSM.
• Acoustic echo cancellation and automatic gain control features.
• Capability for video calls using H.264 and VP8 codecs (Premium Feature).
• Support for various NAT traversal methods such as STUN, TURN, and ICE.
• Instant Messaging offering text and voice chat functionalities.
• Secure calls based on TLS, SRTP, and ZRTP protocols. Chat message encryption leverages OTRv3 protocol. ZRTP and OTR are available as Premium Features.
• Integration with system contacts along with an in-built contact editor.
• Presence information support via the SIMPLE protocol suite.
• Ability to manage multiple SIP accounts with automatic account selection.
• Quick configuration of an account through QR code scanning.
• Advanced telephony options including call waiting, call holding, attended transfers, DTMF digit transmission, number rewriting, and voicemail message alerts.
• Experimental Walkie-Talkie mode suitable for low-bandwidth connections.
• Eight user interface color themes to choose from.
• No advertisements, no user tracking, and no personal data collection employed within the application.
• Languages supported: English, German, Dutch, Russian, and Ukrainian.

Note: The video call experience might vary based on device and firmware capabilities. Sipnetic consistently utilizes the system's H.264 codec implementation. Android version 7.0 or higher is recommended for optimum performance.