问题
I want to do call function and I use Sinch.framework, but I had met this error when I add Sinch.framework to my project.
How to fix this error.
回答1:
It looks like you have not added the required frameworks
AudioToolbox.framework
AVFoundation.framework
Security.framework
or added the other linker flags
-ObjC -Xlinker -lc++
you can find more info here https://www.sinch.com/docs/voice/ios/
来源：https://stackoverflow.com/questions/30775805/ios-error-about-sinch-framework