OZEKI VoIP SIP SDK v1.9.12 Retail + License Key



Ozeki VoIP SIP SDK is an excellent software development kit that allows you to establish VoIP calls from your application easily and quickly. You do not need to have expert programming skills, with the most basic programming knowledge you will be able to create extraordinary VoIP solutions with this tool. After download you just integrate Ozeki VoIP SIP SDK into your application and it is ready to make VoIP calls immediately.

This guide will show how you can start to use Ozeki VoIP SIP SDK and it will give you tips about the VoIP solutions you can write with the support of this SDK. After reading this article you will be familiar with your possibilities and you will be able to decide, which VoIP solution you need in order to make your company work more effective and profitable.

At first, you will get the basic information about the requirements and the configuration of the SDK, then the guide will give you a description about the VoIP solutions you can implement using this SDK. If any solution catches your attention, this guide shows which of the pages will give you more detailed information about the given topic.

First of all, you will need to know the exact environment you will need to set up for working with this SDK. You will learn about the requirements of the SDK in the next section.


Ozeki VoIP SIP SDK is basically a .NET solution so, you will need to have the development environment and background tools for .NET to be able to use the SDK. The basic developer requirements are shown in Figure 1.


Figure 1 – Basic requirements for creating your own VoIP solution

The following list shows all the requirements you will need if you want to build a VoIP solution with Ozeki VoIP SIP SDK.

  • PC (Windows XP; Vista, 7, 2003, 2008 operating system)
  • .Net compatible development kit (e.g. Visual Studio 2010 / Visual C#)
  • Minimum .Net 3.5 SP1
  • Ozeki VoIP SIP SDK

Note that you may also need a SIP account from your service provider in case of some VoIP solutions. You can find more information about this topic in the sections and articles about the given solutions.


Softphone, webphone development

Learn about how you can create high quality VoIP SIP phone applications (SIP softphone or webphone) easily with Ozeki VoIP SDK.

VoIP SIP PBX development

Learn about how you can create a reliable, high performance VoIP SIP PBX system with Ozeki VoIP SDK.

Callcenter & CRM development

Learn about how you can create your own callcenter or CRM solution for your business’ needs with Ozeki VoIP SDK.

Mobile development

Learn about how you can create your own VoIP SIP phone application for tablet PCs, smartphones or other portable devices with Ozeki VoIP SDK.

Prerequisites for this VoIP SIP software

  • OS: Windows 10,8,7,Vista,20xx,XP
  • Visual Studio 2015, 2013, 2010, 2008
  • .NET Framework 3.5 SP1, 4.0 or newer
  • 1 GHz CPU
  • 1 GB RAM
  • 200 MB free disk space

Package contents

  • Redistributable .DLL
  • 68 example projects
  • Demo SIP Softphone program
  • Documentation (reference book)
  • License manager
  • License.txt file

Datasheet of Ozeki VoIP SIP SDK

  • PDF datasheet


Installation/Activation Instruction is Included in the folder!

Torrent Contain:


Size: 115MB


No VT – Key On .Txt File.

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