Cutting-Edge Technology

Discover why SipLine is the choice for demanding professional environments.

Advanced Features

Real-Time Monitoring

Visualize your call quality live. MOS Score, Jitter, Packet Loss and RTT are analyzed in real time via RTCP to guarantee optimal clarity.

Limitless Extensibility

Use our complete SDK to create custom extensions.

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Multi-Trunk Ready

Architecture designed for multi-account management. Enjoy total flexibility for your different SIP providers: manage your trunks simultaneously with complete isolation and simplified configuration.

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Professional Security

TLS transport for signaling and SDES-SRTP encryption for voice. Credentials protected with Windows DPAPI.

High Performance Engine

.NET 9 architecture with native WPF interface, optimized for minimal CPU consumption on workstations.

SIP Interoperability

Standard SIP client compatible with major IP-PBXs (3CX, Asterisk, FreePBX) and SIP operators (OVH, etc.).

Plugin SDK & Extensibility

C# Plugin SDK available via NuGet. Create custom extensions with full access to SIP events, UI hooks and settings API.

Call Transfer

Transfer your calls instantly to another number via SIP REFER. Hold, resume and manage calls with ease.

HID Headsets

Professional headset support (Jabra, Poly, Sennheiser, Logitech) with call control buttons and LED status.