全球移动通信系统的无线专用交换机SC3001-DS

Basic Functions: The wireless PBX adopts the 3U standard 19 inch chassis. It is composed of the following 7 boards: MPU board (the system control panel),GSM board (GSM wireless trunk), GSMboard (GSM wireless trunk), FXS board (landline access board, support internal line interface only, support extension), FXO board (support both FXS internal line and FXO external line interface), BAK board (the system main board) and the POW board (the power board). 1. Up to 8 GSM trunks (external line port). 2. Up to 16 PSTN trunks (external line port). 3. Up to 48 analogical ports (internal lines). 4. 8 external antennas. 5. 1 power adapter.Characteristics: 1. Support full range of frequency for GSM network. 2. Support IDD, DDD, local calls with both landline and wireless network. 3. Support both landline and wireless network access, support PSTN/GSM/CDMA multiple access. 4. Support manual or automatically routing. 5. Presetting local number segment/blocked numbers/free numbers/IP prefix. 6. Safety setting: PIN coding, encryption; 7. Support extension number, direct dial, call forwarding etc; 8. Support voice recording/colorful ring back tone customizing; 9. Support Power-off Bypassing: when no power is available, the lines can be transferred to PSTN automatically; 10. Support remote updating and fault diagnosis; 11. Inbuilt message panel to support short message group messaging function; 12. Support hybridGSM interface; 13. Provide anti-polarity signal for billing system (optional); 14. Support Caller ID and G3 fax function(optional)