"_OBJC_CLASS_$_CTTelephonyNetworkInfo", referenced from:

      objc-class-ref in libBDVoiceRecognitionClient.a(BDVRClientImp.o)

  "_CTRadioAccessTechnologyGPRS", referenced from:

      -[BDVRClientImp startVoiceRecognition:] in libBDVoiceRecognitionClient.a(BDVRClientImp.o)

ld: symbol(s) not found for architecture arm64

clang: error: linker command failed with exit code 1 (use -v to see invocation)