How To Build and Compile PJSIP for Xcode, Using sample code IPJSUA to test?

Question

How to build and compile PJSIP using xCode and run the sample code IPJSUA?

Answer 1

For XCode 4.5

->

export DEVPATH=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/
export IPHONESDK=iPhoneSimulator5.1.sdk
export CC=/Applications/Xcode.app/Contents/Developer/usr/bin/gcc