Best Happy Birthday Wishes, Calling is tricky, although, because you only want to call as soon as. If your ex answers, great, but if not, you need to keep a message. Even if you know he or she doesn't check messages, depart a message anyway because this may be the only call you get to create. If you hang up without leaving behind a message, you can't call back since you don't want your ex to consider you called multiple times.
You only can decide if calling may be worth getting an opportunity to have an real conversation with your ex. Best Happy Birthday Wishes In case you haven't talked to your ex lover in a long time, then phoning is probably worth the possibility of them not answering the phone, however knowing that you called.