Advanced Softphone Development

How to manipulate SIP/SDP Messages using Ozeki VoIP SIP SDK

When you use Ozeki VoIP SIP SDK there is a possibility to customize or manipulate the SIP and SDP messages. These pages provide an overview about how you can do this. A sample program will demonstrate this functionality in practice.

Click here to check the sample source code >>>>

The Ozeki SIP/SDP Message Manipulator is a sample program written in C#. It has been created to demonstrate the variable functionalities of Ozeki VoIP SIP SDK. This sample program allows to manipulate incoming/outgoing SIP and SDP messages. Please note that there will be no voice during calls in the example, because this sample program focuses to message manipulation. The sample source code has been created to be simple to be able to demonstrate message manipulation in the most efficient way.

Prerequisites: Operating systems:
  • Microsoft Windows XP
  • Microsoft Windows Server 2003
  • Microsoft Windows Server 2008
  • Microsoft Windows Vista
  • Microsoft Windows 7

Developer environment:
  • Microsoft Visual Studio 2010
  • Microsoft .Net Framework 4.0
  • SIP account, or a SIP PBX, or an ATA (Analog Telephone Adapter)
  • Internet connection
  • Internet Explorer 6.0 or newer version

Ready to start?

Check the following pages to get an overall view for your project:

  1. Configuration guide for SIP/SDP message manipulation using Ozeki VoIP SIP SDK
    On this page you can find a detailed tutorial on what configuration steps are needed to manipulate SIP/SDP messages using Ozeki VoIP SIP SDK.

  2. Detailed source code explanation for SIP/SDP Message Manipulator sample program
    To get learn the source code of this sample program in details check the source code explanation page for clarification. On this page you will find the source code with comments in a transparent way.
Ozeki SIP/SDP Message Manipulator sample can be obtained by
opening the download page:
Download Ozeki SIP/SDP Message Manipulator sample!

About licensing

When you decide to purchase Ozeki VoIP SIP SDK license you may be interested in licensing policy.

A purchased Ozeki VoIP SIP SDK "license" can be used to build a "single product". This "single product" (along with it's subsequent versions) can be freely distributed in as many copies as you wish without paying any royalties or license fees to Ozeki.

To check the available Ozeki VoIP SIP SDK licenses, please go to Pricing and licensing information page!

For further information please do not hesitate to contact us at: info@voip-sip-sdk.com



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