It would be best to have a conversation with him about his behavior.
If he is your boyfriend, he shouldn’t be avoiding talking to you for a week nor should he be ignoring your texts and phone calls.
Try to have a conversation with him about his behavior.
If he cares about you and the relationship, he will be honest about his feelings and be willing to make changes.
If he doesn’t care about you and the relationship, he may give excuses or try to avoid the topic entirely.
If he does this, it would be best to leave him.