Try not to be too bothered about it. Probability is that if you continue to dwell over your ex not calling you, you are going to begin to develop jealousy. It is advisable not to rush the issue and give it time to sort out itself. You'd be astonished how frequently you are going to be changing your view on the matter which is absolutely usual. Relationships that are great aren't worked out over night they take a long time to perfect and really develop a mutual trust and understanding.
Be ready for the phone call when it finally comes and plan what to tell them. If you want to make it work in that case it is important that you show your compassion and re-establish friendly memories. Don't be jealous, sad or angry attempt to keep yourself composed, cool and calm. Your feelings are going to rub off on your partner therefore don't begin the discussion off shaky and dwelling on the past. This doesn't imply you ought not to remember what took place. It implies you ought to learn from your mistakes and collaborate on fixing them as a strong relationship is one that both partners are involved. You can't build a home but you can build a house" - if you desire a really satisfying relationship take the time to know more about you ex. Quality is going to help you relationship.
Make use of these methods and tips and see if they work for you. Always remember that the best relationships are the ones you put effort and time into. This implies thinking over how you can improve and give your partner space and time. Good luck waiting for that special phone call.