Available in single port, 2 port and 4 port design options, PRI Cards (primary rate interface) are utilized as suitable data transferring medium between user and network in telecommunication arena. Produced from plastic and iron, these 910 gram cards have been produced as per ISO 9001 standard. These data transferring cards support CAS, Robbed-Bit and ISDN PRI communication protocols. Provided PRI Cards are used for smooth running of VOIP gateways, IVR servers and enterprise phone systems. These can easily integrate with YATE, FreeBPX, Asterisk and IP BRICK communication software programs. These cards provide necessary support to SS7 signal system and up to 120 channels at a time. These data transferring cards of renowned brands remain functional for 5 to 25 years.