Digium Quad Span Digital T1/E1/J1/PRI PCI-Express x1 Card (1TE435BF) with Hardware Echo Cancellation (VPM128)

Digium's Quad Span Digital 1TE435BF Card supports 96 (T1 / J1) or 120 (E1) connections to PSTN trunks over four spans (digital circuits). Built exclusively for use with Asterisk and Asterisk-based communications systems, the quad span digital cards provide the best value in digital connectivity. Quad span digital cards are available in PCI and PCI-Express form factors.

Digium Quad Span Digital 1TE435BF Key Features

Up to 24 (T1/J1) or 30 (E1) simultaneous calls per span (96 total T1/J1 and 120 total E1 per card)
Supports T1, E1 and J1 physical interface connections
Protocol support includes: ISDN PRI, Robbed-Bit, CAS
Industry standard RJ-45 port
Available in PCI and PCI Express form factors
4 ports

Digium cards are compatible with all versions of Asterisk using the DAHDI driver framework. Asterisk and DAHDI are available for free from the Asterisk.org website. All cards include a five (5) year warranty and are eligible for Digium's Exceptional Satisfaction Program (ESP) risk-free Quality Guarantee.

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Digium Quad Span Digital T1/E1/J1/PRI PCI-Express x1 Card (1TE435BF) with Hardware Echo Cancellation (VPM128)