Call Center Development

Introduction to Call Center technology

Learn the basics

Call centers are centralized offices that are used to receive and transmit great numbers of telephone requests. Call centers are employed by companies to administer customer information requests and product support inquiries. They also allow to make outgoing calls for the purpose of telemarketing, product services or debt collection.
Ozeki VoIP SIP SDK provides first-rate technology and background for creating call centers. Learn How to build call center with Ozeki SIP SDK.

What you need

A call center server's task is to redirect your calling customers to the appropriate department. Such server is almost like a receptionist who transfers calls to the proper lines inside an institution. Some call center servers are able to do this routing automatically, based on various defined combinations using callers profiles or other information. Beside this call processing that follows predefined rules, a call center server can register and analyze the incoming and outgoing calls using the information in various purposes. More...

A call center client is the end-point of a redirected VoIP call. In some cases it can be automatic but most of the time these clients are handled by human operators. More...

Call Center Server

A call center server's task is to redirect your calling customers to the department that is best equipped to satisfy their needs.
With Ozeki VoIP SIP SDK you can effectively build a call center server: Call center server development with Ozeki SIP SDK.

Call Center Client

Ozeki VoIP SIP SDK provides advantageous technology for building call center clients: Call center client setup with Ozeki SIP SDK.

Customer Relationship Management

Customer relationship management (CRM) is a widely employed strategy used for managing customer interactions in companies.
Learn how Ozeki SIP SDK makes CRM more efficient.

Get Started


Select an Ozeki SIP SDK license

Ozeki VoIP SIP SDKs licensing is based on the number of the simultaneous calls you wish to handle. More...


Install Ozeki SIP SDK

Ozeki VoIP SIP SDK is simple to install. Follow the basic steps to have a great background support for your VoIP solutions in minutes.

  • Download the Ozeki VoIP SDK
  • Start the installer program
  • Select the target folder
  • Wait until the installation process finishes


Start with an example application

Ozeki VoIP SIP SDK comes with a lot of example programs, all of which have online documentation. If you are new to call center programming, it is suggested to start with a detailed guide about call center development.


Ask our engineers if you have any questions

If you have any question, send us an e-mail at

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