DM/IP0821A-T1 | PCI 8 channel IP telephony board with T1 interface. |
DM/IP0821A-E1 | PCI 8 channel IP telephony board with E1 interface. |
DM/IP241-1T1 | PCI 24 channel IP telephony board with T1 interface. |
DM/IP2431A-T1 | PCI 24 channel IP telephony board with T1 interface. |
DM/IP481-2T1 | PCI 48 channel IP telephony board with dual T1 interface. |
DM/IP301-1E1 | PCI 30 channel IP telephony board with E1 interface. |
DM/IP3031A-E1 | PCI 30 channel IP telephony board with E1 interface. |
DM/IP601-2E1 | PCI 60 channel IP telephony board with dual E1 interface. |