. While it doesn’t have a high-level "API documentation" page in the traditional web service sense, its "API" is actually rooted in its source code and command-line capabilities. The "API" of MicroSIP
Leo sat in the dark office, surrounded by the eerie, synchronized ringing of fifty virtual instances of MicroSIP. Every time he closed one, two more would "auto-answer". The office sounded like a digital choir of ghosts. Just as he was about to pull the power plug in a panic, he realized he’d accidentally pointed the "Public Address" setting to his own local loopback.
Thus, "MicroSIP API documentation" really means: mapping these two interfaces. microsip api documentation
This runs an invisible phone that auto-answers every call (ideal for intercoms or alert systems).
When you call the microsip.exe executable with specific flags while an instance is already running, the existing application processes the command rather than opening a new window. Command Syntax Action Description microsip.exe sip:number@domain.com Initiates a call to the specified SIP URI immediately. microsip.exe number Dials the number using the default configured SIP account. microsip.exe -hangup Terminates the active call or rejects an incoming call. microsip.exe -answer Answers a ringing inbound call. microsip.exe -minimize Hides the MicroSIP window to the system tray. microsip.exe -exit Closes the application completely. Practical Example (Python CLI Trigger) Every time he closed one, two more would "auto-answer"
The Custom Build form on the MicroSIP website is an extensive "API" for defining a proprietary version of the softphone. Key options include:
When a user clicks these links, the browser prompts Windows to open the registered handler ( microsip.exe ), passing the phone number automatically. 4. Handling Inbound Events (Webhooks & Event Triggers) passing the phone number automatically. 4.
Invoke MicroSIP from PowerShell, CMD, or using ShellExecute in any language.
Because MicroSIP lacks a native webhook engine, developers use these alternative strategies to capture events: Method A: App-to-App Command Execution
is available under the GNU GPL v2 license for those looking to build custom versions. A Good Story: The Ghost in the SIP Stack