Analog Telephony Cards

A8 Series Analog Cards

Sangoma A8 Series Analog Telephony CardThe Sangoma A8 series analog telephony card supports from one (1) to 8 ports for Asterisk, FreePBX and PBXact phone systems. Make up to 8 PSTN calls all on a single PCI or PCI Express slot.  The modular nature of the cards allows you to mix and match between FXO and FXS interfaces, giving you the exact port configuration you need.

The A8 series telephony card provides from 1-8 analog ports using quad channel interface modules or up to 4 ports using single channel interface modules.

With hardware echo cancellation options, compatibility with most commercial grade servers and Linux operating systems and with a lifetime warranty, customers trust in Sangoma to deliver value based telephony solutions.

Which type of module do I use?

FXS S400 Module

XS modules for A8 cards
Each module supports up to four (4) FXS channels, and up to four (4) analog device such as an analog phone or tradition fax machine.​

FXO Modules for A8 Card

FXO modules for A8 card
Each module supports up to four (4) FXO channel, and one (1) PSTN trunk lines.​

Analog Card Applications

PSTN Trunking


Use inside a server of your choice, powered by Linux/Windows, to create a SIP-TDM Gateway to allow IP-PBX to route calls to traditional PSTN.

SIP Trunking


Use inside a server of your choice, powered by Linux/Windows, to create a SIP-TDM Gateway with your  legacy analog based PBXs to replace expensive analog line connections with SIP trunking to allow reduced call costs, reduced line rental, and bring extra flexibility and disaster recovery.

VoIP Analog Fax Phone

Fax and Legacy Gateway

Use our Sangoma cards in your choice of hardware to connect legacy analog equipment like fax machines, door-bells or analog phones to your IP-based network.

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Call Recording

Monitor and record telephone conversations for lawful call interception. Use your choice of software, including Sangoma’s own TDM SDK dedicated for call tapping.

Analog Card Features

Scalable Icon


Configurable from 1 to 8 ports of FXO/FXS and mixed.

Highly Interoperable Icon

Highly Compatible

Plug and Play with FreePBX and PBXact phone systems and also compatible within most commercial grade servers and motherboards.

Echo Cancellation Icon

Hardware Echo Cancellation

Optional 128ms Octasic DSP hardware echo cancellation for crystal clear audio.

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Onboard Diagnostic

Onboard diagnostics and debugging toolkits expedites trouble resolution.

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Field Upgradable Firmware

Upgrade firmware remotely

Warranty Icon


5 year warranty

Analog Card Specifications

Analog Card Specifications

Telephony Interface

PCI Interface

DSP Echo Canceller


Power Supply


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