This Nortel T-1 card module shelf processor SACPAK0AAA is a reliable VoIP system that can seamlessly integrate into your office telecom systems. With its brand name established, this module is a part of the Avaya Definity series, designed to provide efficient communication services for businesses and industrial environments. The model is specifically crafted to enhance your phone switching systems and PBXs, making it an excellent addition to your office. Get this module now for your communication needs.