A Sangoma Primary Rate Interface (PRI) Card is a dependable piece of hardware used in telecommunications that connects a company's PBX system to an ISDN-enabled Public Switched Telephone Network (PSTN). Elevate your business communication with the Sangoma PRI Card at a cost-effective price. Sangoma PRI cards are engineered to deliver exceptional voice quality, reliability, and seamless integration with your existing telecommunication systems. allowing you to expand your telephony infrastructure as your business grows, without the need for significant hardware upgrades.