What Is Dynamic Number Insertion (DNI)? - Twilio

Dynamic Number Insertion with Call Tracking

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Call tracking allows attribution of offline phone calls to online advertising spend, making it possible to accurately measure conversion rates and ROI. Through call tracking(link takes you to an external page), marketing agencies can help their clients understand which channels are performing most effectively, where to find their best prospects, how to make each marketing dollar go further.

Phone numbers can be programmed to link online activities such as click and page views to calls. This way, marketers know which marketing activity drove the most traffic to their website, which keywords led to engagement and which conversations turned into conversions.

Marketing agencies(link takes you to an external page) drive traffic to their customers' landing pages in different ways. They may publish paid ads in Google AdWords, Bing, and social networks like Facebook. They could invest in SEO. Or they could partner up with other publishers, broadcast it through emails, or spend their advertising on offline or outdoor channels.

Understanding which acquisition channels are the most effective requires attribution and this is where DNI comes in. Programmable Voice APIs is essential to building a great DNI solution. APIs allow the provisioning and configuration of numbers on the fly and make it easier to retrieve data into actionable dashboards. This in turn allows marketers to direct advertising spend to the channels that move the needle and cut it from those that don't.

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