Analog Telephony Cards

Dialogic Diva Analog Cards

The Most Reliable and Flexible
Analog Telephony Cards on the Market

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.

4 Port Analog Cards

A4 Series

The A4 Series of analog cards supports up to four connections per card. Using single-port interface modules, A4 series cards can scale from one to four ports.

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 A4 Series analog cards are available in low profile, half-length PCI, and PCI Express form factors.

Also available our scalable  A200 2-24 Port Card.

8 Port Analog Cards

A8 Series

The A8 Series of analog cards supports up to eight connections per card. Using quad-port interface modules, A8 Series cards can scale from one to eight 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 A8 Series cards are available in half-length PCI and PCI Express form factors.

24 Port Analog Cards

2400 Series

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

Also available our scalable A400 2-24 Port Card.

Explore Sangoma’s Vega gateways for an all-in-one analog to VoIP solution

Sangoma Analog Telephony Cards are Best for:

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 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.

Fax and Legacy Gateway

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

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.

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