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我需要在后台拨打一个号码,如果可能的话,在通话过程中输入一个代码。我可以这样做吗?
此呼叫必须通过用户的电话进行!
在后台?不,您可以随时使用
[[UIApplication sharedApplication]openURL:[NSURL URLWithString:@"tel:1234567890"]];
拨打电话,但它会打开电话应用程序