[英]How to receive DTMF receive during call in iOS?
I am new in linphone. 我是陌生人。 Anyone can guide me how to receive dtmf during call in iOS.
任何人都可以指导我如何在iOS通话期间接收dtmf。 I puted method this in LinphoneCoreVTable .
我把方法放在LinphoneCoreVTable中 。
.dtmf_received = linphone_iphone_notify_dtmf_received.
But when this method call I don't know. 但是当这个方法调用时我不知道。
you have to implement function which get called when dtmf is received. 您必须实现在收到dtmf时调用的函数。
Interface of function is following: 功能界面如下:
/**
* Callback for being notified of DTMFs received.
* @param lc the linphone core
* @param call the call that received the dtmf
* @param dtmf the ascii code of the dtmf
*/
typedef void (*LinphoneCoreCbsDtmfReceivedCb)(LinphoneCore* lc, LinphoneCall *call, int dtmf);
Is a same as for call state change: 与呼叫状态更改相同:
VTable 虚函数表
.call_state_changed = (LinphoneCoreCallStateChangedCb)linphone_iphone_call_state,
Interface 接口
/**
* Call state notification callback.
* @param lc the LinphoneCore
* @param call the call object whose state is changed.
* @param cstate the new state of the call
* @param message a non NULL informational message about the state.
*/
typedef void (*LinphoneCoreCbsCallStateChangedCb)(LinphoneCore *lc, LinphoneCall *call, LinphoneCallState cstate, const char *message);
And method 和方法
static void linphone_iphone_call_state(LinphoneCore *lc, LinphoneCall *call, LinphoneCallState state, const char *message) {
[(__bridge LinphoneManager *)linphone_core_get_user_data(lc) onCall:call StateChanged:state withMessage:message];
}
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