This technology creates a new space for the PSTN, provides value-added services fast, low-costly to the network-wide users with fixed network prepaid, fixed network ringtones.
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- 由此证明,该技术方案为PSTN创造了新的发展空间,能够快速、低成本面向全网用户提供固网预付费、固网彩铃等增值业务。