- MyPBX U510 is equipped itself with an embedded E1/T1/J1 port and 16 phone ports which enable the various combinations of FXO, FXS, GSM, UMTS, ISDN BRI ports. - It supports up to 80 concurrent calls. Perfectly suitable for businesses of 500 users, U510 couples VoIP with traditional telephone lines offered scalability, cost saving, and simplified support and maintenance. - Users: 500- Concurrent Calls: 80 - Voicemail: Default 3000min (upgradable) - Auto-Recording: Support- Hard Disk: Support 2.5 inch SATA2 (Optional)- One E1/T1/J1 ports (Support PRI,MFC R2,SS7)- Up to 16 Analog Ports (FXO/FXS)- Up to 8 GSM Ports (Quad-Band GSM/GPRS850/900/1800/1900MHz)- Up to 8 UMTS Ports (UMTS 900/2100MHz or 850/2100MHZ or 850/1900MHZ)- Up to 8 BRI Ports- One RS232 Port- LAN: 1 (10/100/1000Mbps) - WAN: 1 (10/100/1000Mbps)- USB: 1 (USB2.0)