# Ozeki VoIP SIP SDK
###### tags: `Tag(CallerID Project)`

## Description
Ozeki VoIP SIP SDK is a software development kit that can be used for making VoIP calls using SIP protocol.

## Instruction to use
1. Download and install the kit from [here](https://voip-sip-sdk.com/attachments/702/installwindows_1627971492_Ozeki_SDK_10.3.123.zip) for Windows.
2. The kit has several example projects included in "Ozeki Example Projects" folder.
In this folder:
- Go to **VoIP/01_Softphone/00_OzekiDemoSoftphoneWPF** and
- Open *OzekiDemoSoftphoneWPF.sln* in Visual Studio
The code provides all of the basic functionalities of a VoIP call including registering the accounts in the server, voice/video call and messaging
3. You may modify this code to add new functionalities