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Asterisk, Switchvox, Trixbox, and
Elastix FXO / FXS & T1 Cards

IP Phone Warehouse offers a full array of T1, FXO and FXS cards for use with Asterisk, Switchvox, Trixbox, and Elastix phone platforms. The leading cards, including those from Digium and Sangoma, are compatible with most systems and deliver great uptime. You can also find cards from OpenVox and Rhino to deliver an effective, more affordable telephony solution.

With a variety of cards to choose from, you're sure to find the perfect solution for your phone system. Most cards are easily expandable, and can deliver a higher capacity by adding new cards.

Digium Cards OpenVox Cards
Digium cards include analog, T1, E1, and other digital cards.
OpenVox cards have a 3-month, no-questions-asked return policy.
Rhino Equipment Sangoma Cards
Rhino Equipment produces telephony cards that come with a 5-year warranty.
Sangoma cards include a 5-year warranty and are modular in design, which enables them to increase capacity as your organization grows.

Digital & Analog Cards

Digital T1 cards are for use with VoIP systems, and can offer great capacity and call quality along with scalability to ensure your system can grow with your organization. With telephony cards for your Asterisk, Switchvox, Trixbox or Elastix phone system, you are sure to experience enhanced call quality as well as the expandability your business needs.

Digium Cards

Digium cards are designed by the creators of Switchvox, and are also compatible with any standards-based PBX. Digium offers digital and analog cards designed to connect via PCI or PCIe.

OpenVox Cards

OpenVox cards are a lower-cost solution designed for use with standards-based or open source phone systems. OpenVox delivers high-quality calls and easy installation on standard motherboards.

Rhino Cards

Rhino cards offer an echo cancellation module that can reduce echo and deliver higher call quality. Rhino cards are a cost-effective solution for organizations of all sizes.

Sangoma Cards

Sangoma cards feature a remora configuration to enable port capacity expansion without requiring the use of an additional PCI or PCIe port. This allows for the scalability of the phone system to exceed expectations.