提供自动拨k2类型

Auto dialer is an additional equipment connecting with phones, which can pre-store all kinds of IP cards, passwords and usage rang. Dial the number directly (no need to dial the access numbers and passwords), in the condition of correct connection with the phone and the line. Auto dialer is not only convenient but also economizes telephone fee, which can be used by individuals, and the same time, be helpful for telephone card suppliers to popularize their cards, and be helpful for telecom companies to extent their business scope.