[1] [S] TS 23.272-830, Circuit Switched Fallback in Evolved Packet System, 3GPP, March, 2009.
[2] TR 23.879-900, Study on Circuit Switched (CS) domain services over evolved Packet Switched (EPS), 3GPP, March 2009.
[3] Voice over LTE via Generic Access (VoLGA) Forum, http://www.volga-forum.com/
[4] [S] TS 23.228-880,IP Multimedia Subsystem (IMS),3GPP, March 2009
[5] [S] TS 23.216-830,Single Radio Voice Call Continuity (SRVCC), 3GPP, March 2009
[6] [S] TS 23.237-820, IP Multimedia Subsystem (IMS) Service Continuity: Stage 2, 3GPP, March 2009
[7] SRVCC切换用户面中断性能分析,华为科技,2009年5月
[8] TD-SCDMA与GSM系统基于业务的互操作测试规范-20090213-V1.1.0,中国移动,2009年2月
[9] S2-094234,SID: Study on SR-VCC Enhancements, China Mobile, May 15, 2009, 3GPP SA2#73, Tallinn,
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