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Caller authorization using DTMF pin codes

This article is a brief introduction about using DTMF pin codes for authorization in call centers in relation with Ozeki VoIP SIP SDK. After reading through this page you will be fully familiar with all the essential terms concerning DTMF pin code technology and what you will need for creating your own solution using Ozeki VoIP SIP SDK.

Identify a customer by a DTMF pin code

Call centers can work according to different business logic that can specify, for example, the necessary authentication process in case of an incoming call. Some call centers use PIN code based authentication that means that the caller has to give the authentication code before actually getting an answer for the call.


Figure 1 - VoIP DTMF pin codes

The easiest way of giving the PIN code in a phone call is the use of the DTMF signals. DTMF handling can be easily implemented in a call center server and the received PIN code can be checked in a database. This authentication can be the base for a call routing process or can even provide information about the caller to make the helping process easier.

Ozeki VoIP SIP SDK provides the support of DTMF signal handling, so you can use this kind of authentication in your Ozeki VoIP SIP SDK supported VoIP solution. The actual implementation is, of course, depends on the business logic of your company.

If you want to download the example code and would like to visit a detailed developer documentation, you can click the following page: How to create IVR with DTMF authentication.

Training guides, simple examples

If you would like to visit the detailed developer documentations, you can learn much more from the Ozeki VoIP SIP SDK Training chapter.

Summary

This article introduced you the basic knowledge about authentication with DTMF pin codes in call centers and showed how Ozeki VoIP SIP SDK can help you to fulfill your wishes about this topic. If you have read through this page carefully, you already have all the knowledge you need to start on your own solution.

As you are now familiar with all the terms concerning this topic, now it is time to take a step further and explore what other extraordinary solution Ozeki VoIP SIP SDK can provide to you.

If you have any questions or need assistance, please contact us at info@voip-sip-sdk.com

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