Neos3000a fixed cellular terminal serves as a gateway between a gsm network and your company private branch exchange (pbx). It connects to the analogue trunk of a pbx telephone system or a standard phone and routes your call through a sim card in the fct and out via the gsm network, converting the expensive pstn-to-gsm call into mobile-to-mobile call. Product features: 1. Dramatic cost reduction 2. Signal strength indication 3. One voice channel pstn interface 4. Dual band gsm module (900/1800mhz) 5. Time controller: control outgoing time from 000~999 minutes 6. Counter unit: second, minute or call 7. Remote programming: setting via dtmf tones from the phone 8. Fake ring back tone: simulation of ring back tone 9. Lcr: least cost routing with automatic choice between gsm and pstn 10. Polarity reversal: recognition of call start / end 11. Built in caller id: calling party phone number display. 13. Mvpn: mobile vpns allow users to roam easily among various wired and wireless networks 14. Security lock-network / sim / pin lock, etc. 15. Fxs and fxo interfaces
