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LTE OTT VoLTE LTE VoLTE VoLTE SDK SRVCC SPo LTE...兼容 3GPP, GSMA IR.92、IETF、OMA 等 VoLTE 相关技术规范,已经 Ericsson、Mavenir、 Alcatel-Lucent 等服务器进行对接,可以与运营商
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