IOS How to make call phone 

NSMutableString *phone = [[@"+ 12 34 567 89 01" mutableCopy] autorelease];
[phone replaceOccurrencesOfString:@" " 
                       withString:@"" 
                          options:NSLiteralSearch 
                            range:NSMakeRange(0, [phone length])];
[phone replaceOccurrencesOfString:@"(" 
                       withString:@"" 
                          options:NSLiteralSearch 
                            range:NSMakeRange(0, [phone length])];
[phone replaceOccurrencesOfString:@")" 
                       withString:@"" 
                          options:NSLiteralSearch 
                            range:NSMakeRange(0, [phone length])];
NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"tel:%@", phone]];
[[UIApplication sharedApplication] openURL:url];

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