The Grandstream GXE5028 IP-PBX appliance is the next generation in converged business communication systems. It's a powerful all-in-one voice + fax + video + data communication solution for the small to medium sized business (SMB), especially companies with sub-30 seat location. Designed from ground up to support distributed IP communications, intelligent unified messaging, advanced application integration, and popular PBX features, the GXE502x product family also optimally integrates legacy PSTN trunk and telephone interfaces for fail-safe hybrid communication needs in all circumstances, including situations of power or network loss. Minimize