Key Features * Support up to 100 registered User and 20 Concurrent Calls * Provided with 4 FXO port for External Landlines * Advanced Telephony Features with Built-in Voice Mail * Support Secure VPN for encrypted Phone Call * Web-based User Interface for Easy Configuration * Flexible Scalability and Cost-Effective Solution Basic overview VX500 IP PBX is an Embedded Voice over IP (VoIP) Server with Session Initiation Protocol (SIP) to provide IP extension phone connection for global virtual office of small-to-medium business (SMB) companys. Equipped with 4 x FXO ports, Ethernet LAN and WAN ports plus Life Line feature, VX500 combines the telephony network and the data network into a manageable converged network. VX500 IP PBX works with various IP phones (Desktop, WiFi, Bluetooth, and DECT), VoIP gateways, and analog telephone adapters (ATA) to route calls among client phones, analog phones, and PSTN network. Call features such as conferencing, auto attendant, and voicemail can be seamlessly enabled to all phone devices. In addition, it also provides Internet access to all LAN devices through VPN NAT router. Package Content * Input 100-240V (50/60Hz) Power Supply, Output DC 9V/500mA * Network Cable * CD-ROM with Electronic User Manual