Mělo by to jít telnetem.https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=2ahUKEwiKnpqRgOvnAhWD5KQKHbDdBIQQFjAAegQIARAB&url=https%3A%2F%2F2nwiki.2n.cz%2Fdownload%2Fattachments%2F19532579%2FUser_guide_for_VoiceBlueNext_EN_v3_2.pdf%3Fapi%3Dv2&usg=AOvVaw2UxD8fvyEU5v7S4L9wcfQdKapitola 4.8