Ios CallKit能否检测GSM呼叫并检索传入号码？

我想做一个应用程序，检测传入和传出的GSM呼叫

此应用程序的目的是将有关呼叫的分析发送到我的web服务器

我检查了呼叫套件，但它没有给我一个明确的想法，我是否可以这样做的GSM电话。它只谈到voip

验收标准

检测GSM来电

获取电话号码

在调用结束时，将号码和调用持续时间发送到API

拨出电话同上

我在CallKit的CallDirectory扩展中看到了这段代码

    private func addAllIdentificationPhoneNumbers(to context: CXCallDirectoryExtensionContext) {
        // Retrieve phone numbers to identify and their identification labels from data store. For optimal performance and memory usage when there are many phone numbers,
        // consider only loading a subset of numbers at a given time and using autorelease pool(s) to release objects allocated during each batch of numbers which are loaded.
        //
        // Numbers must be provided in numerically ascending order.
        let allPhoneNumbers: [CXCallDirectoryPhoneNumber] = [ 1_877_555_5555, 1_888_555_5555 ]
        let labels = [ "Telemarketer", "Local business" ]

        for (phoneNumber, label) in zip(allPhoneNumbers, labels) {
            context.addIdentificationEntry(withNextSequentialPhoneNumber: phoneNumber, label: label)
        }
    }

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不，那会侵犯隐私，但能做到吗？它适用于企业发行版appNo，甚至不适用于企业应用程序。可能如果你再次越狱，那么AddAllIdentificationPhoneNumber会做什么呢？我很困惑，它允许你根据电话号码注册姓名。iOS将匹配这些数字，并显示您的分机提供的名称。您的分机永远无法访问实际传入的号码