ESI IVX S-Class Phone System

ESI IVX S-Class 42S Generation 1 MB Phone System w/ Power Supply Tested

ESI IVX S-Class Telephone System KSU

esi IVX C-Class Gen II Digital Phone System with 2 Port Cards and Power Adapter

ESI IVX S-CLASS ALL IN ONE DIGITAL PHONE SYSTEM Untested No Power Supply

ESI IVX S-Class Phone System Gen II with NSP & Power Supply

ESI S-Class Phone System Gen II Tested Tested No Power Supply