my cell phone provider answers with the number xxxxx can not be reached? which is about half the time.. that is more then likely a function of the cell phones voice mail (centigram) which i never liked.. if i get a busy on a remote notification attempt i have the system programed to retry 10 time with a 5 minute wait between calls..
all the params depend on the system and the cell network.. of course no two are alike.. pagers are a problem of there own, i can send a page 50 times unless the person calls back in, but doctors in surgery don't like that, and they hate not getting the msg almost as bad.. the mail has zero way of knowing if a page goes through
john poole
bellsouth business
columbia,sc