Phone Number Masking
Protect personal user information for enhanced customer privacy
Call is initiated in app
A call is made from Telnyx to the end user’s device phone number. Learn more
Driver answers
Places a call to the customer with "from number" set as a virtual or anonymous number. Learn more
Customer answers
The calls are bridged together, allowing the customer and agent to communicate while maintaining privacy. Learn more
- Explore Numbers
Numbers
Instantly search, provision and port local, mobile, national, and toll-free numbers. - Explore Voice API
Programmable voice
Design the exact voice call flow and experience you want with full control using our flexible and scalable API. - Explore SMS API
Messaging
Mask personal phone numbers using the SMS API for secure texting. - Explore WebRTC
In-app voice and video calling
Build a seamless, customizable in-app voice or video experience into your mobile or web applications.
Click-to-Call
Initiate a call from within any app or browser with just one click.
Explore use case
Watch: Masked-number calling with the Telnyx Voice API and Java SDK
Learn how to build a simple masked-number calling app.
Watch video
WebRTC SDKs
Build real-time communications into your app with ease using our SDKs.
Explore docs
Ready to Get Started?
Questions on setup? Talk to our experts
Frequently Asked Questions about Phone Number Masking
Phone number masking (also known as call masking) is a privacy solution that is used by businesses to safeguard their customers’ identity and privacy. Call masking works by anonymizing the participating phone numbers by connecting the call through a temporary proxy phone number, and is a solution often used by e-commerce, ride sharing, and food delivery companies. By utilizing Voice APIs and a pool of temporary virtual numbers to connect the customers and the agents, customers and gents can communicate without revealing their personal phone numbers to each other. The number masking feature also allows companies to choose the different, virtual phone number that is displayed on the recipient’s device.
Number masking helps to protect private information.
- Phone number masking increases security for businesses and customers by anonymizing the numbers used during calls. Masking real numbers with a virtual one protects user privacy and revenue by keeping all calls on your platform.
- Protect your phone number. Keep your business phone calls separate from your mobile phone number.