按键打电话 发短信

在button点击事件里写下

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:[NSString stringWithFormat:@"tel://%ld",（电话号码）]]];

就可以打电话了

发短信

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:[NSString stringWithFormat:@"sms://%ld",（电话号码）]]];