What ports and how do i open them for an xfinity gateway router in order for calls not to drop continously on 4g lte extender ?
I'm so sorry to hear that you are experiencing issues with dropping calls on your 4G LTE Network Extender! We are here to help resolve this, and improve your experience. When did you begin having trouble with dropped calls on the extender? What is your city, state, and closest intersection, so we can check your coverage?