... 1800MHz public mobile communications network. 2) may call the local telephone, domestic long distance, international long-distance, ... book backup feature between the fixed station c / 5 families members of the one-touch dial key, a “ ... options 64 k / support five family members, one-touch dial key, a “Happy Online” button Main function ... tone 9,5 a family member one-touch dial keys 10,1 a “Happy Online” ...