OZEKI OZEKI VOIP SIP SDK
High performance VoIP SDK for .Net developers

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
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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

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On-line chat Ask for live help

Training at Ozeki Learn Ozeki VoIP SDK fundamentals

FAQ Frequently Asked Questions

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Ozeki VOIP SIP SDK

Mobile phones and platforms | Billing by minutes

VoIP billing and cost management

Due to its outstanding flexibility, Ozeki VoIP SIP SDK also allows you to manage costs and implement billing for your VoIP calls efficiently. With this great feature you will be able to handle VoIP calls cost-effectively and professionally, furthermore, you can introduce several VoIP services based on VoIP billing. The following pages cover the basic payment and billing methods regarding to VoIP telephoning.

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Mobile phones and platforms | Billing by minutes

VoIP billing and cost management

Billing by minutes or seconds

Billing by call setup

Prepaid billing systems in VoIP networks

Postpaid billing systems in VoIP networks

Automated credit card payment systems (PayPal, ShareIt, Charging, Subscription, Chargeback)

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