What is the required bandwidth for in-app voice calls?

The bandwidth required varies depending on whether you are making app to app or app to phone calls. But typically:

Acceptable bandwidth: > 25 kbps

Excellent bandwidth: > 30 kbps

Further Information

• Sinch Documentation site - learn how you can leverage the Sinch Voice APIs.
• SDK - learn how you can leverage the Sinch SDKs to easily enable calling.

Visit the In-App Voice Calling product page to learn more about Sinch’s In-App Voice calling products.