Carrier ENUM is also referred to as "infrastructure ENUM", and is being the subject of new IETF recommendations to support VoIP peering...==Parties having a direct interest in ENUM==Various parties are involved with ENUM.
Поставщик услуг ENUM также относится к Инфраструктуре ENUM, и находится тема новых рекомендаций IETF — поддержка пиринга VoIP.