Documents 23216-930

3GPP TS 23.216 V9.3.0 (2010-03) Technical Specification 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Single Radio Voice…

Documents 3GPP- CS Fallback

3GPP TS 23.272 V9.4.0 (2010-06) Technical Specification 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Circuit Switched (CS)…