32298-880
36942-a20
32299-a00_charging
32299-a50
ETSI EN 301 908-3 V5.1.1 (2010-10)
3GPP LTE
LTE HO Case Study
23040-b10
SIP_ISDN_IWF-TS_183036v030401p
DVB_C2_ts_102991v010201p
3gpp Charging Principles
LTE RRC
