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How to implement the C# open source VoIP softphone implementation of Ozeki SIP SDK for speech to text based call recording

Download: Speech_to_text.zip (14.9 MB)

These pages provide information on how to implement the C# open source VoIP softphone implementation of Ozeki SIP SDK for speech to text based call recording. Please check the utilization, configuration and source code pages to get an overall view.

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

In the follows the possibilities of voice recognition will be demonstrated by a softphone with using the Voice Analyzer of .Net Framework. The Ozeki Speech to text sample program has been developed to demonstrate the essential and easy-to-use services of Ozeki VoIP SIP SDK; and to present the possibilities of keyword recognition of .Net Framework.

For making it simple and demonstrative, the sample program represents a single line softphone. This softphone can be established, receive phone calls and it can send and receive DTMF signals that are needed to navigate in IVR systems. When the call is hung up a list is created that includes the mentioned keywords.

How to build your own speech to text based call recording system?

Before you start please check if your PC meet the following prerequisites:

Time needed to introduce Ozeki VoIP SIP SDK:
It requires a really short time to introduce this SDK. Just download Ozeki VoIP SIP SDK and then the Speech_to_text.zip to get started.

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 3.5 or 4.0
  • SIP account (or a SIP PBX)
  • Internet connection

Hardware requirements:

  • 1 GHz or faster processor
  • 1GB RAM (32-bit) || 2GB RAM (64-bit)

Ready to start?

After Ozeki VoIP SIP SDK and Speech_to_text.zip you are ready to start building your own speech to text based call recording system. Follow these useful links to get an overall view and detailed instructions:

  1. Utilization of speech to text based call recording system
    Learn about the fields of application possibilities in details.

  2. How to configure a speech to text based call recording system
    You can find a detailed tutorial on this page which helps you configure the sample program.

  3. Sample code explanation for a speech to text based call recording system
    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.

Licensing information

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 or to place an order go to Pricing and licensing information page!

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

Related pages

C# Speech to text utilization

C# Speech to text configuration

C# Speech to text source code