DOGTV will be able to be streamed, live, on the PetChatz HD videophone in an effort to prevent pets from being bored by offering mental stimulation specifically designed for them. (petguide.com)
But other international networks do not recognise an AT&T videophone call. (newscientist.com)
International telephone exchanges in all countries could install gateway circuitry, which converts calls from one type of videophone to a common exchange standard, but this would be very expensive. (newscientist.com)