S8HR: Standardization of New VoLTE Roaming Architecture
1 3GPP2 IMS Charging Infrastructure Presented for 3GPP2 TSG-X by Nick Mazzarella of Lucent Technologies September 25, 2004.
3GPP2 IMS Charging Infrastructure
January 23-26, 2007 Ft. Lauderdale, Florida Integrating Charging and Rating into the IMS Platform Joe Hogan CTO and Founder Openet Telecom.
