Telephony Cards

The Most Reliable, Flexible,
Analog Telephony Cards

Sangoma’s award-winning analog telephony cards are powering the world’s SMBs who rely on analog telephone lines for primary access to the PSTN. 

Renowned for their premium quality and dependability, Sangoma’s analog telephony cards are the most flexible on the market, offering superior compatibility in most commercially-available servers and motherboards. They are the number one choice amongst Asterisk and FreePBX phone systems and voice API integrators looking for analog telephony cards.


Superior Scalability

The modular design of Sangoma’s analog telephony cards lets you choose between interchangeable FXS or FXO modules to create your own channel requirements. 


All of Sangoma’s analog telephony cards offer optional on-board quality echo cancellation for superior audio quality, as well as reduced CPU usage providing optimized system performance.

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A200 2-24 Port Card


A400 2-24 Port Card

Hardware Models

The 2400 Series cards support up to 24 analog ports per card. Using quad-port interface modules, 2400 series cards can scale from four to 24 ports.


The modular nature of the cards allows you to mix and match between FXO and FXS interfaces, giving you exactly the ports you need. The 2400 Series cards are available in full-length PCI 2.2 and PCI Express form factors

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2400 Series


SIP Trunking
Use inside a server of your choice, powered by Linux/Windows, to create a SIP-TDM Gateway with your 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.
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