Sangoma's optimized voice hardware quality coupled with its innovative software building blocks is unmatched and is powering leading PBX, IVR and call center applications worldwide. Since 1984, Sangoma's innovative product designs have provided the quality professionals trust.

Choose the PSTN connectivity hardware with the most optimized, scalable, cross-platform device drivers available.

A200: 2 - 24 Port Expandable Analog Voice Card

Superior audio quality in a voice card that is expandable from two to twenty-four ports in a half-height form factor the Sangoma A200 FXO/FXS card delivers! A single PCI or PCI Express slot hosts the connection and ensures common synchronous clocking for all channels. Use this card in your PC to accommodate up to twenty-four simultaneous external calls

A400: 2 - 24 Port Expandable Analog Voice Card

The Sangoma A400 FXO/FXS voice card is the high-density version of the popular A200 model. Expandable from two to twenty-four ports in a half-height form factor, you can use this card in your PC to accommodate up to twenty-four simultaneous external calls

B600 Analog Voice Card

port of FXS and 4 ports of FXO. Introductory series optimized for small-budget installations. With B-Series hardware, Sangoma's premium audio and engineering quality is even more affordable

USBfxo

2 Ports FXO in a convenient USB device. Part of the introductory series optimized for small-budget installations. With B-Series hardware, Sangoma's premium audio and engineering quality is even more affordable.

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