Quick start

Quick start guide Get started on using Ozeki VoIP SDK

Example projects Check out our example projects

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Download Download Ozeki VoIP SDK

Installation steps A step-by-step guide on installing the SDK

Licensing Read about Ozeki VoIP SDK licenses
Download
Manual

Package contents Read about the SDK package contents

Data sheet Check out Ozeki VoIP SDK datasheet

On-line manual Read our on-line manual on VoIP technologies

Developers guide Read our developers guide on using the SDK

API reference book Ozeki VoIP SDK class library documentation

Softphone development Read about VoIP softphone development

PBX development Read about VoIP PBX development

Callcenter & CRM development Read about call center and CRM development

Webphone development Read about VoIP webphone development

Mobile development Read about Mobile VoIP app development
Tutorial

Course 1 How to develop a softphone in C#

Course 2 How to build a VoIP PBX in C#

Course 3 How to create an IVR system in C#
Support

Request support Request technical support

On-line chat Ask for live help

Training at Ozeki Learn Ozeki VoIP SDK fundamentals

FAQ Frequently Asked Questions

E-mail Write us an email

Telephone Contact us on phone

Office address Office location
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Contact

Contact us

Office locations

Ozeki Systems Ltd. is based in Hungary. We have an office in the Hungarian capital city, Budapest and in Debrecen. The Budapest office is used as a training site and as a place for business meetings. It is located close to Budapest airport. Software development, software sales and marketing take place in Debrecen.

If you have any technical and commercial questions, don't hesitate to contact us. Our engineers and sales representatives will be happy to work with you to find the solution that best fits your needs.

Debrecen Office Address
Ozeki Systems Ltd.
1-5 Nagy Lajos kiraly ter
Debrecen, Hungary
4032

Phone numbers
Telephone: +36 1 371 0150 (Sales)

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