1. 3GPP. 3GPP TS 22.146 v7.2.0; Multimedia Broadcast/Multicast Service; Stage 1 (Release 7) (October 2006)
2. 3GPP. 3GPP TR 23.847 v1.3.0; Study on Enhancements to IMS Service Functionalities Facilitating Multicast Bearer services (Release 8) (October 2007)
3. 3GPP. 3GPP TS 23.228 v7.9.0; IP Multimedia Subsystem (IMS); Stage 2 (Release 7) (September 2007)
4. 3GPP. 3GPP TS 23.246 v7.4.0; Multicast Broadcast/Multicast Service (MBMS); Architecture and functional description (Release 7) (September 2007)
5. C-Mobile Project. C-Mobile WP4.1. Detailed Research Objectives and Requirements for the Core Network Enhancements and New Entities (September 2006)