We touched on this topic a couple years ago however we see a slight increase in "anonymous caller ID connectivity issues" so thought to re-vist in a quick post here.

One of the ways you can use your FlyNumber is to forward the FlyNumber to a regular phone number. Any regular phone number in the world. When this happens the call is routed via what’s called the PSTN network, which is basically the network involved in connecting phone calls to and from regular phone numbers.

Note: We have since added documentation, check out the phone system docs on setting up an app for the easiest way to get started.

You have a phone number, now you want to use it. Here we'll discuss getting incoming /outgoing calls on your smartphone with a virtual number (sometimes called a VOIP or DID number).

It's the nature of the business to release a phone number back to a "pool" for others to buy/lease after they're no longer being paid for.

-Nader Jaber, Founder of FlyNumber

Nowadays our phone numbers have become more than just a string of digits. They are our identifiers, gatekeepers, and connectors in a world increasingly reliant on digital communication. But what happens when that crucial link suddenly disappears? You dial your number, and there's no ring, no voicemail, just the unsettling silence of a number that's no longer yours.[^1]

Introduction: The Hidden World of SIP Security​

I was browsing around on Hacker News and if you're not familiar, the good stuff is usually in the comments. I was intrigued by this comment (by @kkielhofner) and how he/she illustrates a common but often overlooked misconception about SIP. Specifically, the misunderstanding pertains to the role and implications of port 5060 and its associated traffic in a standard SIP deployment.

Note: If you're looking for a VoIP phone number to register an OpenAI account go to the bottom of this post.

Introduction: The Power of Caller ID Customization​

One of the standout features of our cloud phone system is the ability to edit the caller-ID for the phone receiving the FlyNumber calls (only when using VoIP). This comes in handy when you need to distinguish between calls coming in from different phone numbers.

Imagine having a UK, Canada, and US FlyNumber ringing directly to your smartphone or a desktop VoIP phone (such as Grandstream or Yealink). By default, you'll see the caller-ID of the person calling the FlyNumber, but you won't know which FlyNumber they called.

In honor of 404 Atlanta day I thought it would be a neat idea to share a rundown of the ATL and it's well known 404 area code.

Here's a quick overview of the FlyNumber logs and possible responses, this isn't an exhaustive list but many of the responses are pretty self-explanatory.

We recently noticed an issue where users were getting incorrect details in their profile and not being able to open the Phone system panel (Version 2). Here's what happened:

So I thought it would be a neat idea to write a little about popular area codes -their history, availability, technical aspects, and perhaps the occasional pop culture reference.