ringa_lee2017-04-17 17:56:17
Try this:
NSString *telNumber = [NSString stringWithFormat:@"tel:%@", @"88888888"];
NSURL *aURL = [NSURL URLWithString:telNumber];
if ([[UIApplication sharedApplication] canOpenURL:aURL]) {
[[UIApplication sharedApplication] openURL:aURL];
}