You're right, It is amazing how many of my co-workers don't have much- if any- compassion for those that we try to help. I admit, sometimes I get frustrated too, but I try not to take it out on my co-workers or callers or responders.
Compassion is easy on a call, but I am a little ashamed that I rarely share my faith on a call. I rather envy the evangelical Protestants that will immediately grab a hand and begin praying. I just can't do that.
However my involvement with several critical ill infant births has instilled an immediate need for a priest and baptism. One of those babies is in a class with one of my children and both of the parents have shared how important that the sacrament was for them at that time- especially when they had not thought of it.
I dont Prolytherize, but I do carry my Rosary Beadswith me at all times, I wear a St Florian Medal, And I have been known to cross myself on the way to a call. I dont "Push it" on people, but I dont make my faith a Secret, either...