1.Make the getting-through speed of IP call reach the effect of direct call through special command. 2. Shield the voice prompt and set dialing digit limitation automatically after checking the balance in order to prevent modifying the password while dialing once again. 3. Add # automatically to speed getting-through after dialing the number. 4.Distribute local call, long-distance call, rural call and long-distance mobile phone automatically and can also set outgoing code. 5.Dialing speed can be adjusted and no information will be lost after the power is cut off. 6. Redial automatically if it is in face of busy line. 7.Mute dialing is possible. 8.Can store 4 different IP cards at the same time and suitable for any kind of IP card and IP bind calling. 9.Add service hotline. 10. System password can be set to prevent others illegally modifying or clearing the parameters. 11. Five kinds of rings for choosing. 12. With remote programming function. NOTE: If you need great quantity, OEM service is possible.