Amazon.com : T1 Card E1 Card,Te420 ISDN Pri Voice Board with 4 E1/T1 Ports,te420e Asterisk Card,PCI-E,Issabel FreePBX for VoIP Phone System IP PBX : Office Products
OpenVox FD140 4 Port T1/E1 PRI or BRI-ISDN Interface Failover Box, 1U
Allo.com - 4 Port PRI Card (PCI/PCIe Interchangable)
1 Port T1 E1 Card Isdn Pri,te110p,supports Freepbx Issabel Vitalpbx Dahdi,te110 Asterisk Card - Communications Parts - AliExpress
Fast Ethernet ISDN PRI Network Modules - Cisco
Connecting Fast Ethernet-PRI Network Modules
ISDN PRI 4 port PCI & PCIe
Cisco Channelized T1/E1 and ISDN PRI Network Module - ISDN terminal ad - NM-8CE1T1-PRI
PRI ISDN | Digital Telephony Cards | OpenPRI series
ESI IVX E2 DLC12 PC T1/PRI 12 Port Station Card
2 PRI + 8 Port FXS PSTN Simulator Pro
Amazon.com : ISDN PRI Card,1 Port T1 Card E1 Card,Asterisk FreePBX Issabel,PCI Express (PCI-E) Connector,SIP Phone System : Office Products
Virtual Console 2 PRI + 8 Port FXS PSTN Simulator | eBay
Te220 - Digium Card Dual Span E1 / T1 Card -2 Port Isdn Pri Board Pci-e Bus,isdn Pri Digital T1/ E1 Card Te220e - Communications Parts - AliExpress
Up to 64 channels modular VoIP SBC with 1 PRI T1/E1 port, expandable by 2 Modules (BNMO-XX), 12 RJ45 slots, Dual NIC and 2 sessions free - UCExperts
2 PRI + 8 Port FXS PSTN Simulator Pro
Cisco NM-8CE1T1-PRI 8 Port Channelized
Allo.com - Upgradable PRI Cards (1/2/4 Ports)
Mitel Inter-Tel Dual T1/E1/PRI 580.2702 2 Port Digital Trunk T1/ISDN-PRI Card Circuit Card
C-DTU, Single Port, E1/T1 (PRI) Digital Card for IP PBX-C302/C503 - FS.com
Cisco HWIC-2CE1T1-PRI 2-Port Channelized T1/E1 & PRI HWIC (High-Speed WAN Interface Card)
1/2/4-Port E1/T1/ISDN PRI Trunk Gateway,PRI Gateway
ISDN PRI Network Modules - Cisco
