1)   TERAVoice Server 2004
TERAVoice is a high-performance telephony platform for Windows that can implement any type of telephony application like voicemail, automated attendants, voice menus, waiting queues for call centers, H.323 to PSTN gateway and custom IVR applications.
teravoice, voice, mail, voicemail, ivr, h.323, h323;voip, bridge, gateway, gatekeeper,