The icon specified for gnome-phone-manager in .desktop file, cellphone.png, is places in /usr/share instead of /usr/share/pixmaps.
Manually copying the icon file to correct directory fixes the problem.
The icon specified for gnome-phone-manager in .desktop file, cellphone.png, is places in /usr/share instead of /usr/share/pixmaps.
Manually copying the icon file to correct directory fixes the problem.