Choose from 1,2,4,8 and even 16 ports of E1/T1/J1 optimized for voice and data applications. That’s up to 480 simultaneous voice calls or 32,768 Mbps of full duplex data, all on a single PCI/PCI express interface slot!. On-board Telco-grade echo cancellation is available on all cards offering superior audio quality as well as reduced CPU usage providing optimized system performance.
1-port E1/T1 Port Voice and Data Card 30 simultaneous voice calls (or 2,048 Mbps full duplex data)
2-port E1/T1 Port Voice and Data Card 60 simultaneous voice calls (or 4,096 Mbps full duplex data)
4-port E1/T1 Port Voice and Data Car 120 simultaneous voice calls (or 8,192 Mbps full duplex data)
8-port E1/T1 Port Voice and Data Card 240 simultaneous voice calls (or 16.4 Mbps full duplex data)