Hi, I have a 2811 running CME 8.6. In it is a VIC2-2FXO. This connects to a POTS line. On the CME are a few 7940, 7960, 7970, 7912, 7905, 7906. (About 10 phones total) (Site A)We have a remote office (Site B) which has a phone line in with a differen...