Microsip Api Documentation < Mobile Latest >

This is a comprehensive guide to interacting with MicroSIP programmatically.

Unlike modern VoIP softphones (like Zoiper or Linphone), MicroSIP does not have a built-in HTTP/REST API or a WebSocket interface. Instead, it relies on Standard Windows Command Line Arguments and Windows Message Hooks. microsip api documentation

This guide covers how to control MicroSIP externally using these methods. This is a comprehensive guide to interacting with

2.3 Answering an Incoming Call

MicroSIP.exe answer

Common Pitfalls

  1. Spaces in numbers – Always enclose in quotes: [Dial("123 456")]
  2. Special characters – Avoid &, |, <, > inside DDE.
  3. Multiple instances – MicroSIP is single-instance by default. Second launch sends DDE to first.
  4. Security software – Some antivirus blocks DDE (legacy). Add MicroSIP as trusted.

Core Parameters Table

| Parameter | Description | Example | |-----------|-------------|---------| | --dn | Display Name | --dn "John Doe" | | --user | SIP Username (auth ID) | --user 101 | | --domain | SIP Domain / Registrar | --domain sip.mycompany.com | | --password | SIP Password (plain text, be cautious) | --password secret123 | | --proxy | Outbound proxy (optional) | --proxy 192.168.1.100:5060 | | --stun | STUN server for NAT | --stun stun.l.google.com:19302 | | --call | Immediately dial a number after launch | --call "5551234" | | --autoanswer | Automatically answer incoming calls (0/1) | --autoanswer 1 | | --dialplan | Prepend digits for external calls (e.g., 9 for outside line) | --dialplan "9,<.*>" | | --show | Window state: normal, minimized, hidden | --show hidden | | --debug | Enable SIP trace to file | --debug C:\logs\sip.log | | --log | Log calls to CSV | --log C:\logs\calls.csv | | --setvolume | Initial speaker volume (0–100) | --setvolume 80 | | --micvolume | Microphone volume | --micvolume 90 | Common Pitfalls