Write down the messages on stick-it notes and stick it on somewhere where he will see it. It's not for you to keep at him to return calls, but it must be annoying when people keep calling. They probably think you didn't give the message. If he doesn't want to get back to people then that's his problem.
Otherwise, things seem to be going well.
Me:57 H:52 M:28 Got another lawyer last year and filed. D35,S/D twins28,D22 EA4/04 End? Who knows? "Life is like a mirror. Smile at it and it smiles back at you." — Peace Pilgrim