Microsip Api Documentation May 2026

MicroSIP.exe --listdevices Output:

Introduction In the world of Voice over IP (VoIP), efficiency and footprint matter. While heavyweight softphones like Zoiper or X-Lite offer graphical bells and whistles, they often consume system resources and lack true automation capabilities. Enter MicroSIP —a free, open-source, lightweight SIP softphone for Windows that weighs under 300KB. microsip api documentation

However, MicroSIP’s true superpower isn’t just its minimalism; it’s its . Unlike most softphones that hide behind GUI-only operations, MicroSIP exposes dozens of command-line parameters and DDE (Dynamic Data Exchange) commands. This allows you to integrate click-to-dial functionality, automate call logging, trigger system scripts, and embed telephony directly into CRM systems like Salesforce, VTiger, or even custom ERP software. MicroSIP