Display codec used

sflphone-gtk/src/actions.c

sflphone-gtk/src/actions.h

sflphone-gtk/src/callmanager-glue.h

sflphone-gtk/src/dbus.c

sflphone-gtk/src/dbus.h

src/audio/audiortp.cpp

src/audio/audiortp.h

src/dbus/callmanager-glue.h

src/dbus/callmanager-introspec.xml

src/dbus/callmanager.cpp

src/dbus/callmanager.h

src/iaxvoiplink.cpp

src/iaxvoiplink.h

src/managerimpl.cpp

src/managerimpl.h

src/sipvoiplink.cpp

src/sipvoiplink.h

src/voiplink.h