Traditional voice carriers now offer more complex and diverse services, including IPTV, mobile and video on demand.
传统的语音运营商现在提供更为复杂和多样化的业务，包括IPTV ，手机点播和视频点播。
Traditional voice carriers now offer more complex and diverse services, including IPTV, mobile and video on demand.
传统的语音运营商现在提供更为复杂和多样化的业务，包括IPTV ，手机点播和视频点播。
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