On Error Resume Next Set dde = CreateObject("DDEClient") dde.Application = "MicroSIP" dde.Topic = "control" MsgBox dde.Execute("[Status]") If Err.Number <> 0 Then MsgBox "MicroSIP not running or DDE failed."

You can use specific configuration files for different accounts by defining the ini file path. Example: MicroSIP.exe /i:microsip402.ini Example: MicroSIP.exe /i:folder402\microsip.ini

MicroSip is built to prevent multiple instances. Passing CLI arguments to a new process will seamlessly route the data to the already running instance.

with specific command-line arguments. If the application is already running, it will process the command without opening a new window. Make a Call: microsip.exe sip:number@domain microsip.exe number Hang Up Call: microsip.exe /hangup Answer Call: microsip.exe /answer Minimize to Tray: microsip.exe /hide Restore Window: microsip.exe /show Exit Application: microsip.exe /exit 🔔 Handling Events (Inbound)

MicroSIP API Documentation & Command Line Interface Guide MicroSIP is a popular, lightweight, open-source SIP softphone for Windows, built on the robust PJSIP stack. While primarily a user-friendly application, MicroSIP provides significant integration capabilities, allowing developers to automate calls, trigger actions based on call events, and manage settings through a structured command-line interface and configuration file modification.

: Runs a specified command when a call connection is established. The Caller ID is passed as a parameter.

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.

Below is an actionable example using to handle incoming calls, parse the parameters passed by MicroSIP, and execute a secure webhook to your centralized web server. Node.js Middleware Script ( microsip-bridge.js ) javascript

MicroSip automatically registers URL protocols during installation. This allows web applications, emails, and CRM browsers to trigger calls via standard HTML hyperlinks. Supported Protocols sip: sips: tel: callto: HTML Implementation Example

Triggers when the media connection is successfully established. Remote Caller ID Triggers when the call hangs up or is disconnected. Remote Caller ID Advanced microsip.ini Customization Example

Define which audio codecs are enabled and their priority.

To create a click-to-dial button inside a web-based CRM, format your anchor tags as follows: Call Support Call Sales via SIP Use code with caution.

return 0;

Runs a command when a call connection is established. Caller ID is passed as a parameter.