At this point of time, your baby's babbling is a way for your baby to communicate. You should encourage your baby to babble so that it improves his verbal skills. With time, your child would also make eye contact while making sounds. This is a positive sign which indicates a focused conversation between you and your little baby. Try to change emotions while talking to him so that he imitates the same.
What you need to know Babbling sessions are quite helpful in making your growing baby enhance language abilities. Eye contact is very important while talking and is now being followed by your baby. You can teach him basic expressions such as a smile, frown, gaze etc, during regular conversations. Ask other members of the family to talk to the baby and see if he stills retains an eye contact.