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Digium Digital (T1/E1/J1) Cards

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Digium TE820B The TE820 Octal-Span Digital Card with echo cancellation is designed for businesses using high-density Asterisk applications that require high-performance digital connectivity.	Digium TE820 The TE820 Octal-Span Digital Card is designed for businesses using high-density Asterisk applications that require high-performance digital connectivity.	Digium TE420B with Echo Cancellation Module Digium's TE420 PCI Express card provides termination of up to 120 channels of voice or data across four E1, T1, or J1 interfaces in a PCIe x1 form factor.
Digium TE420 Digium TE420 PCI Express card provides termination of up to 120 channels of voice or data across four E1, T1, or J1 interfaces in a PCIe x1 form factor.	Digium TE220B Digium TE220B is a two Port T1/E1 PCI Express Asterisk Interface with hardware echo cancellation.	Digium TE220 Digium's TE220 PCI Express card provides termination of up to 60 channels of voice or data across two E1, T1, or J1 interfaces in a PCIe x1 form factor.
Digium TE122P The Digium TE122P is a high-performance, cost effective digital telephony interface card with the power to create a seamless network, interconnecting traditional telephony systems with emerging Voice over IP technologies.	Digium TE122B with Echo Cancellation Module The Digium TE122B is a high-performance,cost effective digital telephony interface card, interconnecting traditional telephony systems with emerging VoIP technologies.	Digium TE121B with Echo Cancellation Module The Digium TE121B is a high-performance,cost effective digital telephony interface card, interconnecting traditional telephony systems with emerging VoIP technologies.