We've used Obi for years, first 100's, then three 200's for a long time. Yesterday I was still able to call landlines (Google Voice), but no calls work among the three 200's. Nothing changed other than Google Voice account went down to $0.02, but then replenished to $25. First attempt: I get "there is no service." Later attempts get only silence. Two of the 200's have always been in Colombia, SA; the third here in US. I'm at a complete loss since Obi-to-Obi supposedly always works. The Dashboard shows two connected, but one Obi in Colombia is always "connecting to 136.22. etc.," whether physically connected or not. Does this make any sense?!