Dialogic Diva Analog boards (Diva Analog boards) are available in 2-port variants, offering standard RJ-11 interfaces to connect to public and private switching systems via analog trunk interfaces. Diva Analog boards provide powerful onboard CPU and Digital Signaling Processor (DSP) resources - one dedicated to each communication channel. Thanks to providing high-performance media processing functions such as V.90 data modem, V.34 fax receiver and transmitter, Voice over IP (VoIP) streaming, voice compression, and echo cancellation onboard, the Diva Analog boards enhance overall system performance and lower implementation costs. Based on the latest industry standards, the Diva Analog boards work in any PCI and PCIe based server platform and demonstrate best-in-class system design, resulting in minimum power consumption and maximum heat dissipation. Dialogic Diva 306-387 Voice Board is one of many VoIP Systems available through Office Depot. Made by Dialogic.