In the world of telecommunications, the PRI or Primary Rate Interface line is a type of ISDN line that lets traditional analog phone lines carry video, data, voice, etc. Moreover, this multi-operational gateway line can send and receive more than one call at the same time. To terminate these PRI lines, we require a PRI gateway card that ends this digital circuit on the PBX
Digium’s quad span digital PRI Card interface cards offer 96 (T1 / J1) or 120 (E1) connections to join with PSTN lines over four digital circuits. This unit is made exclusively for the Asterisk and communications based on such systems. With these span digital PRI cards, value added benefits for connectivity are not compromised for the customers.
The octal span digital PRI card incorporates eight freely programmable and selectable communication interfaces which can be coded as per need. These digital PRI cards also support up to 192 channels (in T1/J1 mode) or 240 channels (in E1 mode) — the most noteworthy single-card port thickness accessible for use with Asterisk.
Digium offers yet another great device – a dual-span digital card that supports 48 (T1 / J1) or 60 (E1) connection ports to join them with the PSTN trunks with the help of 2 spans or digital circuits. The device, just like others in Digium’s digital card series, offers exclusive connectivity to the systems based on Asterisk communications.
Digium’s new single span digital PRI cards are the single span digital card configuration that uses cutting edge advancements to feature T1/E1/PRI affordable telecommunication interface card. The TE13x group of cards can make an interconnecting customary communication framework with Voice over IP innovations.