“V-Expand” is IP Telephony Solution. The solution delivers flexibility, expandability, movable, telephone/fax with cost saving, as well as many significant benefits over the legacy telephone PABX system.
In addition, you can utilize your existing IP (LAN) network without any separated RJ11 telephone cabling. It can integrate and enable value-added solution from smart phones integration.
Learn more: http://www.v-expand.com