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VoLTE
浠嬬粛
1.1 LTE
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SvLTE(Simultaneous Voice and LTE),
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LTE
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CS
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涓嶉渶瑕侀儴缃?/p>
IMS
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鐩墠宸茬粡鏈?/p>
CDMA1x
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LTE
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CDMA
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IMS
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GSM/UMTS
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LTE
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CSFB(Circuit Switched Fall Back),LTE
鍙彁渚涙暟鎹笟鍔★紝褰撳彂璧锋垨鑰呮帴鍙楄
闊冲懠鍙椂锛屽洖钀藉埌
CS
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IMS
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MSC
灏卞彲