J-PCX system provides multiple choices for phone sets to fulfill to your operation's needs: the standard analog phone set, advanced Analog Display Services Interface phone set, IP-phone set, and on-screen User Console. From large scale companies with hundreds of extensions to the specific departments (e.g. help desk, technique support) with 4 or 5 extension users, or SOHOs and remote workers; J-PCX's phone set flexibility can be used in all situations to fulfill communication needs.