SOFTPHONEZIf you already have a Twilio number, connecting it to a calling and SMS app takes a couple of minutes. The app needs two things from your Twilio account, your Account SID and your Auth Token, and from there a good app configures the rest for you. This guide shows you exactly where to find those credentials, how to connect them safely, and what happens behind the scenes.
What you need before you start
- A Twilio account (a free trial account works to test with).
- At least one Twilio phone number that can make voice calls and send SMS.
- Your Account SID and Auth Token (we will find these next).
Step 1: Find your Account SID and Auth Token
Log in to the Twilio Console. On the main dashboard you will see an Account Info panel. It contains:
- Account SID — a long string starting with
AC. This identifies your account and is safe to copy. - Auth Token — hidden by default. Click the eye or show control to reveal it, then copy it. Treat this like a password.
Step 2: Paste them into the app
In SoftPhonez, open Settings and paste your Account SID and Auth Token into the Twilio connection fields, then save. That is all the app needs to start operating on your number. Your credentials are stored encrypted at rest, and they are used only to make calls and send messages on your behalf.
Step 3: Let the app auto-configure the rest
A full softphone needs more than a SID and token, it needs Twilio resources wired together. On first sign-in, SoftPhonez sets these up inside your own Twilio account automatically:
- An API Key for secure access.
- A TwiML App that routes voice calls to and from the app.
- A Voice Push Credential so incoming calls can ring your device.
You do not have to create any of these by hand. They live in your account, under your control, and you can review them in the Twilio Console at any time.
Step 4: Verify it works
Send yourself a test SMS and place a quick test call from the app. If the message arrives and the call connects, your Twilio number is fully connected. If something does not work, double-check that you copied the Auth Token correctly (a single wrong character will fail authentication) and that your Twilio number has voice and messaging enabled.
Is it safe to connect your Twilio credentials?
With a bring-your-own-Twilio app, you keep ownership of the account, the number, and the billing, the app is just the software layer on top. Good practice: store credentials only in apps you trust, and if you are ever concerned, you can rotate your Auth Token in the Twilio Console, which instantly invalidates the old one. You can also connect a Twilio subaccount to keep this workload isolated from the rest of your Twilio usage.