Electrical Feautres:
*Internal Tariff: EPROM setting and additioanl programming via keypad or Remote Management System
*Type of call: Local, Long-Distance, International, Free, Barred, and Incoming calls.
*LCD Display: Dialed number, Coin value, Remaining credit, Reminding message, self-diagnostic message, and revenue information
*Function keys: Voice amplification, Language choice, redial, Follow-on-call.
*Key pad: square function key and round dial key. (Al & Zn Alloy)
*Housing: Stainless steel
*Call control protocol: SIP (RFC-3261) or H.323 V4 or MGCP
*Voice compression: G.711 A/µ- Law, G.723.1, G.729A/B/AB
*Delayed (End to End): <100ms
*Connectors: RJ-45 Connector
*Interface: FXS +FXO Pass-through
*Echo cancellation: G.165/G.167 16ms
*IP Address: PPPoE, DHCP client, Static IP
*Transport Protocols: RTP/RTCP, UDP/TCP
*Firmware Upgrade: FTP/TFTP