when we do an estimate we always make a note of something about that property that we bring back to the office. It might be something about the lawn or it might be something like 'has beautiful dogwood in front'
On our follow up call we make sure to work that info into the conversation. 'boy, mrs jones, that dogwood in your front yard is beautiful, really adds to your landscape'
now we have a personal conversation going on, people like talking about themselves or their stuff.
it would be hard for an outsourced company to do that. In my humble opinion using an out side firm to do follow up calls just makes your company blend in with all the other companies that are calling right now.
BUT i truely do understand your feelings about working the phone. It does get easier with your second and third calls. I feel that if you did the follow up calls your close rate would be much higher.
anyway, good luck