f08d3f52_PI_Directory___ProgrammableWeb__Description
[API Name] Sinch Calling Callback [Category] Telephony [Updated] 02.22.2015 [Description] 
The Sinch Calling Callback API allows developers to integrate Sinch callbacks services into their applications, enabling them to make callbacks to an external application backend. This API uses HTTP...
API Directory | ProgrammableWeb
Description