This Vertical Wave IP 500 VWU-1T1S-M2 T-1 PRI interface module is a must-have for businesses in need of a reliable telecom system. With its high-quality make and superior performance, it is sure to meet all your communication needs. The module is designed for use with business phone sets and handsets, making it perfect for office environments. As a module type, it is easy to integrate into your existing setup, and its compatibility with various brands ensures seamless communication. This module falls under the Business & Industrial category, making it an ideal choice for companies looking to enhance their communication infrastructure. Purchase this top-notch module today and revolutionize your office communication.