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Digium Digital (T1/E1/J1) Cards

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Digium TC400B The TC400B is a half-length, low-profile PCI 2.2-compliant card for transforming complex VoIP codecs into simple codecs.	Digium TCE400B The TCE400B is designed to handle, in dedicated DSP resources, the complex codec translations for highly compressed audio as would otherwise be processed by Asterisk in software.	Digium TE121 The Digium TE121 is a high-performance, cost effective digital telephony interface card interconnecting traditional telephony systems with emerging Voice over IP 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.	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 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 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 TE220B Digium TE220B is a two Port T1/E1 PCI Express Asterisk Interface with hardware echo cancellation.	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.