Sangoma Two-Span

Buy Dual Port PRI Digital Card

The Sangoma A102 board: Two spans of optimized voice and data over T1, E1, and J1. The Sangoma 2 port digital PRI card uses the same high-performance PCI or PCI Express interface that is providing superior performance in critical systems all over the world. It supports up to 60 voice calls or 4.096 Mbps of full-duplex data throughput over two T1, E1, or J1 lines.

Two-Span T1/E1/J1

2 PORT Digital PRI Card with Echo Cancelation

The Sangoma A102 board: Two spans of optimized voice and data over T1, E1, and J1 available with Telco-grade hardware echo cancellation. The Sangoma 2 port digital PRI card uses the same high-performance PCI or PCI Express interface that is providing superior performance in critical systems all over the world. It supports up to 60 voice calls or 4.096 Mbps of full-duplex data throughput over two T1, E1, or J1 lines.

Optional DSP Hardware Echo Canceller Daughterboard  G.168–2002 echo cancellation in hardware  1024 taps/128 ms tail per channel on all channel densities  DTMF decoding and tone recognition  Voice quality enhancement: music protection, acoustic echo control, and adaptive noise reduction  Does not increase the physical size of the board, and no additional slot is required

Digium Digital Telephony Cards

Dual Span

Digium's dual span digital interface cards support 48 (T1 / J1) or 60 (E1) connections to PSTN trunks over two spans (digital circuits). Built exclusively for use with Asterisk and Asterisk-based communications systems, the dual span cards provide the best value in digital connectivity.
Dual span digital cards are available in PCI and PCI-Express form factor. Digium dual span digital cards are compatible with all versions of Asterisk using the DAHDi driver framework.

Digium Digital Telephony Cards

Dual Span – Echo Cancellation

Digium's dual span digital interface cards support 48 (T1 / J1) or 60 (E1) connections to PSTN trunks over two spans (digital circuits). Built exclusively for use with Asterisk and Asterisk-based communications systems, the dual span cards provide the best value in digital connectivity.
Dual span digital cards are available in PCI and PCI-Express form factor. All dual span models be combined with Digium's VPMOCT064 echo cancellation module to provide echo cancellation across all channels. Digium dual span digital cards are compatible with all versions of Asterisk using the DAHDi driver framework.