In final testing phases and hit a snag. Does anyone know if the 3CX phone system is capable of a remote phone calling another remote phone with no errors? Ill put the not sure if its important parts in () Situation remote phone (on cable modem) to another remote phone (on DSL) = No audio, yet it rings.. Remote phones (on cable modem or DSL) to main system with phone (cable modem) All phones works good for the most part other than about a 10 second delay before audio flows. Any advice would be great!!