Hi, all I'm using carbide 2.0 build S60voip, got the error info: Creation Time Description Resource Path Location Type 1366973774968 undefined reference to `pjsua_is_connected' symbian_ua.cpp s60voip/src line 522 C/C++ Problem 1366973775000 undefined reference to `CMdaAudioInputStream::NewL(MMdaAudioInputStreamCallback&)'[/Symbian/Carbide/workspace/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp] s60voip line 344 C/C++ Problem 1366973775031 undefined reference to `CMdaAudioInputStream::Open(TMdaPackage*)'[/Symbian/Carbide/workspace/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp] s60voip line 365 C/C++ Problem 1366973775062 undefined reference to `CMdaAudioInputStream::Stop()'[/Symbian/Carbide/workspace/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp] s60voip line 385 C/C++ Problem 1366973775093 undefined reference to `CMdaAudioInputStream::SetPriority(int, TMdaPriorityPreference)'[/Symbian/Carbide/workspace/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp] s60voip line 434 C/C++ Problem 1366973775125 undefined reference to `CMdaAudioInputStream::ReadL(TDes8&)'[/Symbian/Carbide/workspace/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp] s60voip line 439 C/C++ Problem 1366973775156 undefined reference to `CMdaAudioInputStream::ReadL(TDes8&)'[/Symbian/Carbide/workspace/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp] s60voip line 500 C/C++ Problem 1366973775187 undefined reference to `CMdaAudioOutputStream::NewL(MMdaAudioOutputStreamCallback&, CMdaServer*)'[/Symbian/Carbide/workspace/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp] s60voip line 650 C/C++ Problem 1366973775218 undefined reference to `CMdaAudioInputStream::Gain() const'[/Symbian/Carbide/workspace/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp] s60voip line 220 C/C++ Problem 1366973775250 undefined reference to `CMdaAudioInputStream::MaxGain() const'[/Symbian/Carbide/workspace/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp] s60voip line 227 C/C++ Problem 1366973775281 undefined reference to `CMdaAudioInputStream::SetGain(int)'[/Symbian/Carbide/workspace/pjproject-2.1.0/pjmedia/src/pjmedia-audiodev/symb_mda_dev.cpp] s60voip line 212 C/C++ Problem 1366973775312 undefined reference to `HAL::Get(HALData::TAttribute, int&)'[/Symbian/Carbide/workspace/pjproject-2.1.0/pjlib/src/pj/os_info_symbian.cpp] s60voip line 45 C/C++ Problem Pls help me, thanks. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20130426/9007b48b/attachment-0001.html>