I build pjsip with xcode 3.2.6 iOS SDK 4.3 flowing below: -by http://trac.pjsip.org/repos/wiki/Getting-Started/iPhone - disable ffmpeg <http://ffmpeg.org/> - include: openssl, armv6,armv7 I compile pjsip successful, I include pjsip into my app: - add libraries - copy pjlib,pjlib-util,pjmedia,phnath,pjsip,thirt-part folder into my app folder. - set Header Search Paths, Library Search Paths. - set DPJ_AUTOCONF=1. I build for simulator =>ok but when i build for real device return many error & warning "reference from" Undefined symbols for architecture armv6: "_pjmedia_tonegen_stop", referenced from: _sip_call_play_digits in dtmf.o "_OBJC_CLASS_$_UIViewController", referenced from: _OBJC_CLASS_$_PhoneViewController in PhoneViewController.o _OBJC_CLASS_$_CallViewController in CallViewController.o "_pjsua_config_default", referenced from: _sip_startup in call.o "_UIKeyboardWillShowNotification", referenced from: -[PhoneViewController viewWillDisappear:] in PhoneViewController.o -[PhoneViewController viewWillAppear:] in PhoneViewController.o "_pjmedia_tonegen_play_digits", referenced from: _sip_call_play_digits in dtmf.o "_pjsip_parse_uri", referenced from: -[CallViewController createCall:] in CallViewController.o "_OBJC_CLASS_$_NSNotificationCenter", referenced from: objc-class-ref in call.o l_OBJC_$_CATEGORY_NSNotificationCenter_$_NSNotificationCenterAdditions in NSNotificationAdditions.o objc-class-ref in NSNotificationAdditions.o objc-class-ref in Reachability.o "_SCNetworkReachabilitySetCallback", referenced from: -[Reachability startNotifer] in Reachability.o "_kCFRunLoopCommonModes", referenced from: "_ABAddressBookGetPersonWithRecordID", referenced from: -[RecentsViewController tableView:accessoryButtonTappedForRowWithIndexPath:] in RecentsViewController.o -[CallViewController findImageWithRecordID:] in CallViewController.o "_CGRectGetHeight", referenced from: -[LCDView initWithFrame:] in LCDView.o "_pjsua_call_is_active", referenced from: -[CallViewController findNextCall] in CallViewController.o "_CGPointZero", referenced from: -[AbsLCDView displayState:animated:] in AbsLCDView.o -[AbsLCDView animationFinished:finished:context:] in AbsLCDView.o "_OBJC_CLASS_$_ABUnknownPersonViewController", referenced from: objc-class-ref in RecentsViewController.o objc-class-ref in FavoritesListController.o "_OBJC_CLASS_$_NSMutableArray", referenced from: objc-class-ref in RecentsViewController.o Please help me. -- ----------------------------------------------------------------------------- Thanks & Best regards. Tran Thanh Hai Software Developer - Quantic Co.Ltd 5th Floor - The Tuildonai building - 119 Dien Bien Phu Street - Dakao Ward - District 1 - HCM - Viet Nam Cell Phone: +84 979 033 367 Yahoo: hai01n1 Skype: mr.thanh.hai Email: thanhhai26 at gmail.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20111128/b0538516/attachment.html>