| http://www.w3.org/ns/prov#value | - With RCS, you could place a very high-quality IP voice call or video call to anyone else on RCS. And additional features including sending text, voice messages or photos are also provided to extremely enhance your communication experience.Features:1, Voice call: Anytime, anywhere, and any device having a RCS installed, you could place free, and high-quality calls for RCS-to-RCS to your friend. 2,
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