如何检测拨出电话的类型和状态

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文章

由 huwell 在 05 Jul 2007 创建

最后由 hamishwillee 在 15 Dec 2011 编辑

• 设备, 软件 版本：

S60 3rd Edition

S60 3rd Edition, FP1

• 详细描述：

我们可以使用Publish & Subscribe keys来检测拨出电话的类型和状态。有三个PS keys可用来获取相关属性值。

    const TUid    KPSUidTelephonyCallHandling = { 0x101f8787 };
 
    const TUint32 KTelephonyCallState         = 0x00000004;
 
    const TUint32 KTelephonyCallType          = 0x00000005;

获取电话类型：

    RProperty iProperty;
 
    iProperty.Get(KPSUidTelephonyCallHandling, KTelephonyCallType, calltype);

电话呼叫的类型(TPSTelephonyCallType)值：

            EPSTelephonyCallTypeUninitialized = 0,
 
            EPSTelephonyCallTypeNone,
 
            EPSTelephonyCallTypeCSVoice,
 
            EPSTelephonyCallTypeFax,
 
            EPSTelephonyCallTypeData,
 
            EPSTelephonyCallTypeHSCSD,
 
            EPSTelephonyCallTypeH324Multimedia,
 
            EPSTelephonyCallTypeVoIP

如何获得呼叫状态信息：

    iProperty.Get(KPSUidTelephonyCallHandling, KTelephonyCallState , callstate);

电话呼叫的状态(TPSTelephonyCallState)值：

            EPSTelephonyCallStateUninitialized = 0,
 
            EPSTelephonyCallStateNone,
 
            EPSTelephonyCallStateAlerting,
 
            EPSTelephonyCallStateRinging,
 
            EPSTelephonyCallStateDialling, 
 
            EPSTelephonyCallStateAnswering, 
 
            EPSTelephonyCallStateDisconnecting,
 
            EPSTelephonyCallStateConnected,
 
            EPSTelephonyCallStateHold

PS Keys for Call Status & Indicators API 并非官方S60 SDK的一部分，但可以通过

Extensions plug-in package for S60 3rd Edition SDK for Symbian OS, for C++, MR 获得

注意，Nokia没有承诺这些API在各平台或平台内可以二进制兼容。