File talk:LTE-CSFB-E-UTRAN-UTRAN-GERAN-Interfaces.svg

The interfaces between the legacy RANs should have their names swapped; the GERAN air interface is Um, whereas the UTRAN air interface is Uu, not the other way around as depicted in this diagram. Note that the eUTRAN air interface is called LTE-Uu. Segin (talk) 13:05, 18 July 2012 (UTC)