Panasonic KX-TVA Voice Processing Systems offer much more than voice mail and automated attendant service. You also get versatile features and options, such as bilingual service and custom service that let you custom design your system to meet your specific needs. Digitally integrating a Panasonic Voice Processing System with one of the Panasonic Digital Hybrid IP-PBX Systems will provide additional advanced features that are only available when connected to a Panasonic KX-TDA System.