Comment 1 for bug 1655644

Back trace:

#0 0x00007f2373dca4d0 in Protocol::features() const () from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Telephony/libtelephonyservice-qml.so
#1 0x00007f2373db3410 in AccountList::filterAccounts() () from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Telephony/libtelephonyservice-qml.so
#2 0x00007f23b1c51c34 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f2373da2d0a in TelepathyHelper::onNewAccount(Tp::SharedPtr<Tp::Account> const&) () from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Telephony/libtelephonyservice-qml.so
#4 0x00007f2373dacbc1 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Telephony/libtelephonyservice-qml.so
#5 0x00007f23b1c51b81 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f23737517d2 in Tp::AccountManager::newAccount(Tp::SharedPtr<Tp::Account> const&) () from /usr/lib/x86_64-linux-gnu/libtelepathy-qt5.so.0
#7 0x00007f2373754bb7 in ?? () from /usr/lib/x86_64-linux-gnu/libtelepathy-qt5.so.0
#8 0x00007f23b1c51b81 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f237393ea6f in Tp::PendingOperation::finished(Tp::PendingOperation*) () from /usr/lib/x86_64-linux-gnu/libtelepathy-qt5.so.0
#10 0x00007f237393fed0 in ?? () from /usr/lib/x86_64-linux-gnu/libtelepathy-qt5.so.0
#11 0x00007f23b1c52729 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f23b1c2515a in QCoreApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f23b1c252b8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f23b1c2717a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f23b1c79f63 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f23ae8351a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f23ae835400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f23ae8354ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f23b1c7a36f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f23b1c2300a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f23b1c2b6cc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00000000004079fa in ?? ()
#23 0x00007f23b1062830 in __libc_start_main (main=0x4077e0, argc=2, argv=0x7fff0b10e9a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff0b10e998)
    at ../csu/libc-start.c:291
#24 0x0000000000407bd9 in _start ()