Make a phone call from UIWebView without prompt - ios

SCENARIO
I have an app that is a UIWebView, I make some url overriding for requirements.
PROBLEM
To make a call opening url with tel: works weird in iOS7 and iOS8, it makes the phone call direct in the background, but it also ask for the confirmation, so user experience is horrible:
[[UIApplication sharedApplication] openURL:request.URL];
SOLUTION
To solve this issue, I used telprompt. It works nice in all iOS versions:
NSURL *url = [NSURL URLWithString:#"telprompt://637****"];
return [[UIApplication sharedApplication] openURL:url];
But shows this confirmation dialog:
QUESTION
Now, I have a new requirement, to make the phone call without confirmation or prompt. So... There is some way to make a phone call in iOS omitting the confirmation prompt?
I want something like
NSURL *url = [NSURL URLWithString:#"telnoprompt://637******"];
return [[UIApplication sharedApplication] openURL:url];


NSMutableCharacterSet *characterSet =[NSMutableCharacterSet characterSetWithCharactersInString:#" "];
NSArray *arrayOfComponents = [phone_number componentsSeparatedByCharactersInSet:characterSet];
phone_number = [arrayOfComponents componentsJoinedByString:#""];
NSString *phoneURLString = [NSString stringWithFormat:#"tel:%#", phone_number];
NSString *escapedUrlString = [phoneURLString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSURL *phoneURL = [NSURL URLWithString:escapedUrlString];

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if i try
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NSLog Output for data
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[UIApplication sharedApplication] openURL wont work properly if it doesnot have properly formatted url. Please check whether your url has "http://"

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I am trying to integrate the most popular navigation apps into my app, and all of those I chose work, except for Sygic.
Following this guide, I wrote the code:
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you try following code,
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Easiest way to share a link as Page from iOS app

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You can try this....
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How can I make phone call in iOS?

How can I make a phone call in Objective-C?

You can initiate a call
https://developer.apple.com/library/archive/featuredarticles/iPhoneURLScheme_Reference/PhoneLinks/PhoneLinks.html
So this would probably work:
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:#"tel:12125551212"] options:#{} completionHandler:nil];

This is clipped from a project I did to do just that:
NSString *phoneStr = [NSString stringWithFormat:#"tel:%#",phone_number];
NSURL *phoneURL = [NSURL URLWithString:phoneStr];
[[UIApplication sharedApplication] openURL:phoneURL];

It may also be helpful to know how to prompt the user to call a number:
NSURL *phoneNumber = [NSURL URLWithString:#"telprompt://13232222222"];
[[UIApplication sharedApplication] openURL:phoneNumber];
telprompt gives the user a choice to place the call or cancel making the call before the phone dials. The two forward slashes after the colon are optional.

well if you are talking about using objective-c to make a phone call on the iphone, then you can do something like this:
NSURL *phoneNumber = [[NSURL alloc] initWithString: #"tel:867-5309"];
[[UIApplication sharedApplication] openURL: phoneNumber];
If you are talking about doing this on a mac ,well, then like others have mentioned that is specific based on number of things like, if you are using voip, a modem, connecting through something like an Asterisks box, etc..

openURL is deprecated.
Now use this:
UIApplication *application = [UIApplication sharedApplication];
[application openURL:[NSURL URLWithString: #"tel:12125551212"] options:#{} completionHandler:nil];

REMOVE EMPTY SPACES IN PHONE NUMBER
NSString *phoneNumberString = #"123 456";
phoneNumberString = [phoneNumberString stringByReplacingOccurrencesOfString:#" " withString:#""];
phoneNumberString = [NSString stringWithFormat#"tel:%#", phoneNumberString];
NSURL *phoneNumberURL = [NSURL URLWithString:phoneNumberString]];
[[UIApplication sharedApplication] openURL:phoneNumberURL];

NSString *phoneNumber = #"Phone number here";
UIWebView *webView = [[UIWebView alloc] init];
NSURL *url = [NSURL URLWithString:numberString];
NSURLRequest *requestURL = [NSURLRequest requestWithURL:url];
webView.dataDetectorTypes = UIDataDetectorTypeNone;
[webView loadRequest:requestURL];

This will either be very platform-specific, or you'll have to use a wrapper library to account for the differences among platforms, so you better state what platform this is intended for. In general, there are various telephony APIs available on most platforms.
On Windows systems there's for example the "TAPI", also things may somewhat differ if you are targeting a digital telephone system such as ISDN, because there are other APIs available.

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