I have 3 MyPBX U100s with speed dials set up between the different location. They have been working for over a year. Today the speed dials from the main branch will not work. The display says "Address Incomplete". I have rebooted the PBX and the other locations work. The only thing I have done today was delete 1 speed dial for a client and then add it back in with his new number. I'm not sure if the speed dials were working before I did that or not. I wouldn't think that would effect all the speed dials.