The socket on the router is for a conventional phone, and quality depends entirely on the CODEC used by vodaphone for their 'Voip like' service. Три кота крючком Нашли ошибку, неточность или опечатку в тексте? Why would you imagine they have a monopoly?, presumably no one else is interested in https://55opt.org/catalog/iskusstvennye-kolokolchiki/