---
title: Direct Inward Dialing (DID)
description: Direct Inward Dialing service (DID) is a basic virtual phone number often provided by a contact center (aka back office or IVR) on an existing telephone line.
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# Direct Inward Dialing (DID)

 By [Revation Systems](https://blog.revation.com/best-call-center-terms-and-definitions-list/author/revation-systems)

[![Read More: Integrate with Popular Email and Directory Applications](https://no-cache.hubspot.com/cta/default/7904435/d92d08e3-41a3-4810-b5a4-557c7e4a6226.png)](https://cta-redirect.hubspot.com/cta/redirect/7904435/d92d08e3-41a3-4810-b5a4-557c7e4a6226)

---

Direct Inward Dialing service (DID) is a basic virtual phone number often provided by a contact center (aka back office or IVR) on an existing telephone line.

---

[![Read More: Meet Service Level Agreements (SLAs) with Real-Time Contact Center Metrics](https://no-cache.hubspot.com/cta/default/7904435/96a66d6d-976c-4b14-b62c-7bf304355ecd.png)](https://cta-redirect.hubspot.com/cta/redirect/7904435/96a66d6d-976c-4b14-b62c-7bf304355ecd)

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### About the Author: [Revation Systems](https://blog.revation.com/best-call-center-terms-and-definitions-list/author/revation-systems)

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We believe in the power of human relationships and that innovation in communication will connect people to help live healthier lives and achieve financial security.

<https://blog.revation.com/best-call-center-terms-and-definitions-list/operational-expenses-opex>

### [Operational expenses (opex)](https://blog.revation.com/best-call-center-terms-and-definitions-list/operational-expenses-opex)

<https://blog.revation.com/best-call-center-terms-and-definitions-list/benchmarking>

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<https://blog.revation.com/best-call-center-terms-and-definitions-list/answer-rate>

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<https://blog.revation.com/best-call-center-terms-and-definitions-list/mobile-device-management-mdm>

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<https://blog.revation.com/best-call-center-terms-and-definitions-list/proxy-server>

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<https://blog.revation.com/best-call-center-terms-and-definitions-list/turnover>

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<https://blog.revation.com/best-call-center-terms-and-definitions-list/latency>

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<https://blog.revation.com/best-call-center-terms-and-definitions-list/speech-energy>

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<https://blog.revation.com/best-call-center-terms-and-definitions-list/imp>

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<https://blog.revation.com/best-call-center-terms-and-definitions-list/callback-messaging>

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<https://blog.revation.com/best-call-center-terms-and-definitions-list/flowchart>

### [Flowchart](https://blog.revation.com/best-call-center-terms-and-definitions-list/flowchart)

<https://blog.revation.com/best-call-center-terms-and-definitions-list/workforce-engagement-wem>

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{
     "@context": "http://schema.org",
     "@type": "BlogPosting",
     "mainEntityOfPage":{
        "@type":"WebPage",
        "@id":"https://blog.revation.com/best-call-center-terms-and-definitions-list/direct-inward-dialing-did"
     },
     "headline": "Direct Inward Dialing (DID)",
     "image": {
          "@type": "ImageObject",
          "url": ""
     },
     "datePublished": "2020-11-08 16:28:14",
     "dateModified": "November 8, 2020, 4:28:14 PM",
     "author": {
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     },
     "description": "Direct Inward Dialing service (DID) is a basic virtual phone number often provided by a contact center (aka back office or IVR) on an existing telephone line.
"
 }
```