手机对讲服务(PoC:Push-to-Talk over Cellular)或称随按即说、即按即说服务是指是一种透过GPRS/WCDMA/CDMA等流动网络让手机能使用Push-to-talk方式的通讯服务。
此条目没有列出任何参考或来源。 (2017年6月4日) |
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