The webpages below describe how you can build a C#
open source VoIP softphone with WPF GUI using Ozeki SIP SDK. Follow the pages and
find answers for what the fields of applications are and how to configure this
solution. You can also find and use the sample source code for your projects.
This sample program is especially for .Net VoIP developers because it
only takes a short period of time to create a C# softphone, a VB.net softphone
or build SIP VoIP call services.
The Ozeki WPF SoftPhone Sample is a simple softphone sample
program. It is for presenting the significant and easy to use services that
Ozeki VoIP SIP SDK offers. With this program you have the opportunity to make
and receive calls. It is also for sending and receiving DTMF signals that are
for navigating in IVR systems.
This writing gives you hints why it is better to use the Ozeki
SDK than other SDKs on the market.
SIP (Session Initiation Protocol) is well known to be the essential pillar of
VoIP technology. The Ozeki VoIP SIP SDK based on this protocol to provide all the knowledge
and functionality that VoIP communication requires. It ensures VoIP communication
simply and comfortably.
The SIP protocol is responsible for reconciliating the phone devices, softphones
and their capabilities then for establishing the phone line between the
communicating parties. For these tasks SIP protocol needs to implement other protocols
like SDP (Session Description Protocol), RTP (Real-time Transport
Protocol), RTCP (Real-time Transport Protocol), DTMF (Dual-tone multi-frequency).
However, these protocols are not further described in this page.
When you use Ozeki VoIP SIP SDK you only need to outlet the call
process events into the GUI. By implementing Ozeki VoIP SIP SDK you can spare
long development time and money furthermore you do not need to care of the study of
essential RFC and the small pitfalls that occur during the programming...
After learning the basics it is time to start creating your WPF softphone.
On this page you will find a step-by-step guideline about how to configure the
sample program. Also information is provided about what kind of licenses can be
purchased and how to activate the trial version of Ozeki SIP SDK.
This sample program is meant to be a demonstration on how you can really implement Ozeki
VoIP SIP SDK for creating effective VoIP solutions. Ozeki VoIP SIP SDK is a true
.Net solution meaning that it can be included to any software which is developed in .Net.
No professional computer skills are required and the implementation process is
really easy. With the included test component precious time, energy and money
can be saved.
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 its subsequent versions) can be freely distributed
in as many copies as you wish without paying any royalties or license fees to Ozeki.