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.

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FXS Analog Card

8 – Port Analog Telephony Card

The 8-port FXS Analog Card supports up to eight (8) connections per card in the Asterisk system. The modular nature of the cards allows you to mix and match between line (FXO) and station (FXS) interfaces, giving the exact port configuration required.
FXS is the ‘Foreign eXchange Subscriber’ interface (the plug on the wall) delivers analog telephony services to your home by local phone companies through a circuit consisting of two copper wires; connected to the subscriber equipment (telephones, modems, and fax machines).

Primarily, the services provided by an FXS interface to any subscriber device are: * Dial Tone * Battery Current * Ring Voltage Learn More...

Digium Digital Telephony Cards

Single Span

Digium’s new single span digital cards are the latest additions to the Telephony Card family. The new design utilizes state of the art technologies to support T1/E1/PRI environments that require a high-performance, cost effective digital telephony interface card. They have the ability to create a seamless network, interconnecting traditional telephony systems with Voice over IP technologies.

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Buy Single Port PRI Digital Card with Echo Cancellation

As claimed by Sangoma it is “industry’s first affordable single span T1/E1/J1 board with available Telco-grade hardware echo cancellation — designed for optimum voice support for smaller systems“ for smaller systems. Sangoma 1 port PRI digital 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 2.048 Mbps of full duplex data throughput or up to 30 voice calls over a single T1, E1, or J1 line.

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 Learn More...

FXS Analog Card

24 – Port Analog Telephony Card

The 24-port FXS Analog Card supports up to 24 connections per card in the Asterisk system. The modular nature of the cards allows you to mix and match between line (FXO) and station (FXS) interfaces, giving the exact port configuration required.
FXS is the ‘Foreign eXchange Subscriber’ interface (the plug on the wall) delivers analog telephony services to your home by local phone companies through a circuit consisting of two copper wires; connected to the subscriber equipment (telephones, modems, and fax machines).

Primarily, the services provided by an FXS interface to any subscriber device are: * Dial Tone * Battery Current * Ring Voltage Learn More...

Sangoma 4 Port FXO Card

Analog Voice Boards / Analog Telephony Interface boards

The Sangoma 4 port FXO analog voice board is designed specifically for smaller-budget installations. • 4 Simultaneous PSTN calls (per interface slot) • Compatible with all commercially available motherboards • Hardware echo cancellation available • Hardware fax synching support

FXO is foreign eXchange Office interface, and is the plug on the phone that receives Analog telephony services, typically from the local phone company’s central office, of the Public Switched Telephone Netwok (PSTN). In other words, an FXO interface points to the Telco office.
Primarily, the services provided by an FXO interface to any Telco network device are to on-hook / off-hook indication (loop closure).

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Buy Single Port PRI Digital Card

As claimed by Sangoma it is “industry’s first affordable single span T1/E1/J1 board“ for smaller systems. Sangoma 1 port PRI digital 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 2.048 Mbps of full duplex data throughput or up to 30 voice calls over a single T1, E1, or J1 line.

Learn More...

Digium Digital Telephony Cards

Single Span – Echo Cancellation

Digium’s single span digital cards are the latest additions to the Telephony Card family. The latest design utilizes state of the art technologies to support T1/E1/PRI environments that require a high-performance, cost effective digital telephony interface card. They have the ability to create a seamless network, interconnecting traditional telephony systems with Voice over IP technologies.
These cards support industry standard telephony protocols, including Primary Rate ISDN (both North American and Euro Standard) protocol families for voice. Both line-side and trunk-side interfaces are supported, as well as advanced call features. Octasic based hardware echo cancellation is built in to the cards, which removes the task of echo cancellation from the systems CPU and increases overall system performance and call quality.

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FXS Analog Card

4 – Port Analog Telephony Card

The 4-port FXS Analog Card supports up to four (4) connections per card in the Asterisk system. The modular nature of the cards allows you to mix and match between line (FXO) and station (FXS) interfaces, giving the exact port configuration required.
FXS is the ‘Foreign eXchange Subscriber’ interface (the plug on the wall) delivers analog telephony services to your home by local phone companies through a circuit consisting of two copper wires; connected to the subscriber equipment (telephones, modems, and fax machines).

Primarily, the services provided by an FXS interface to any subscriber device are: * Dial Tone * Battery Current * Ring Voltage Learn More...