objective c phone call
UIApplication *application = [UIApplication sharedApplication]; [application openURL:[NSURL URLWithString: @"tel:12125551212"] options:@{} completionHandler:nil];
Source: stackoverflow.com
UIApplication *application = [UIApplication sharedApplication]; [application openURL:[NSURL URLWithString: @"tel:12125551212"] options:@{} completionHandler:nil];