Microsip Api Documentation Today
MicroSIP is a lightweight portable SIP client for Windows. Because it is designed to be portable and minimal, it does not run a background service or a local HTTP server for API requests.
Integration Methods:
MicroSIP.exe "sip:1234567890@sip.provider.com"
Security: Restrict to localhost only.
MicroSIP.exe answer
You can use SendMessage or PostMessage to interact with the application.
Command IDs (Decimal):
These IDs correspond to menu items and buttons within the app. You send the WM_COMMAND message to the main window handle.
| Action | Command ID (Approximate) | | :--- | :--- | | Answer Call | 40001 | | Hangup / Reject | 40002 | | Redial | 40003 | microsip api documentation
Note: Command IDs can change between versions. Use a tool like Spy++ to verify IDs in your specific version.
| Feature | MicroSIP | Zoiper (Pro) | Linphone (Belle) | | :--- | :--- | :--- | :--- | | CLI control | Yes | Yes | Yes | | WM_COPYDATA | Yes | No | No | | HTTP REST API | No | Yes (paid) | Yes (limited) | | Event callbacks | No | Yes (DLL injection) | Yes (DBus) | | Cross-platform | Windows only | Windows, macOS, Linux | Windows, macOS, Linux |
MicroSIP’s API is simpler but more lightweight and local-process friendly than competitors. It is ideal for Windows-only automation with minimal overhead. MicroSIP is a lightweight portable SIP client for Windows
For advanced developers (C++, C#, AutoIt).
If you need to detect the state of MicroSIP (e.g., "Is the line busy?") or hook into events (e.g., "On Call Connected"), the CLI is insufficient. MicroSIP uses Windows Messages (WinAPI) to communicate with the GUI.