Analog Telephony Cards
A4 Series Analog Cards
The Sangoma A4 series analog telephony card supports from one (1) to four (4) ports for Asterisk, FreePBX and PBXact phone systems. Make up to 4 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 A4 series telephony card provides from 1-4 analog 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 modules for A4 cards
Each module supports one (1) FXS channel, and one (1) analog device such as an analog phone or tradition fax machine.
FXO modules for A4 card
Each module supports up to one (1) FXO channel, and one (1) PSTN trunk lines.
Analog Card Applications
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.
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
Configurable from 1 to 4 ports of FXO/FXS and mixed.
Plug and Play with FreePBX and PBXact phone systems and also compatible within most commercial grade servers and motherboards
Hardware Echo Cancellation
Optional 128ms Octasic DSP hardware echo cancellation for crystal clear audio.
Field upgradable firmware
Upgrade firmware remotely
5 year warranty