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Anonymous Calling (Phone to Phone)
anonymous calling

Anonymous Calling (Phone to Phone)

Bring Phone to Phone Calling to your app using the Sinch SDKs and APIs. Use Phone to Phone Calling to offer anonymous calling in your app, and let users call each other without giving away personal phone numbers.

Native User Experience Users place and receive calls from the native phone dialer for a familiar UX

No Reliance on Data Phone to Phone calls are completed without requiring any type of data connection

Access to Global Markets Reach users across the globe with local DIDs in hundreds of countries, enabling you to scale.




Let drivers and passengers speak to each other with anonymous calling, without ever sharing a personal phone number


Allow users to connect with each other and share information about deliveries without sharing personal information


Help buyers and sellers connect, keeping transactions in app to protect both revenue streams and privacy

Social Media

Enable users to connect via masked phone numbers so that one-time calls don't require a phone number exchange

Sinch Local Infrastructure

Sinch PoP (Point of Presence) Sinch Voice Network Caller/Callee Call Flow