It’s not easy being a content crafter. This becomes especially tough if you’re trying to build content for a B2B company. And even harder for verticals considered “boring.” Exotel is a cloud telephony product that helps businesses take care of calls. And I take care…

  One of the rarest things to find in the world is a company that doesn’t say, “Customers are our top priority.” Nearly every company or business has it written down as part of their policies and pasted on their conference room walls. Sadly, very…

A couple of weeks back, I logged into Amazon, the giant e-tailer and looked up a few options for a swimsuit that I planned to buy. It was meant to be a casual browsing session and all I wanted to do was to know what…

At Exotel Labs we analyze tons of anonymized voice samples for addressing varied research problem in the voice space. While there are multiple techniques to this, a proven methodology to do voice analysis begins with converting audio into Hidden Markov Models (HMM). HTK is the…

The need for increased customer privacy has been a topic of constant debate. Most online transactions need you to give a phone number. But how does the customer know their number is in safe hands? Receiving calls from people we haven’t given our numbers to…

What Digital India Can Mean For Cloud Telephony Digital India – Indian Prime Minister Narendra Modi’s pet project that launched last year is a massively ambitious project. With spend estimates of more than $17 Billion USD over the next three to five years, it aspires…

No entrepreneur begins their journey with the hope to become another statistic in the numbers game. Yet, 90% of all startups fail. About half of them fail in the first year. We all hear about the 1 great success story, but the other 9 are…

I would like to continue the blog series I started earlier – Introducing Digital Audio – with this story about frequencies and elucidating what they mean. Frequency is a word that one frequently encounters when they read any book or research paper related to digital…

Most fresh graduates today dream of building a startup and working for a startup is perceived to be the coolest thing to do amongst everything else nowadays. While there has been no better time to become an entrepreneur, it’s no joking matter. The rewards are…

At Exotel, our platform is hosted on AWS. We have scaled exponentially over the last few years. What was a month worth of transactions a few years back now happens in a single day! What we use at Exotel At Exotel, we use a variety…