"The Mediant 800 connects IP-PBXs to any SIP trunking service provider, scaling to 250 concurrent sessions. It offers superior performance in connecting any SIP to SIP environment, legacy TDM-based PBX systems to IP networks, and IP-PBXs to the PSTN."
Item Description:Mediant 800B Session Border Controller w - M800B-ESBC-100
Mediant 800B Enterprise Session Border Controller (E-SBC) - 100 sessions. Includes Mediant 800B chassis with 4 GE and 8 FE port. Supports a single AC power supply. - M800B-ESBC-100
Image, Data Sheet & Marketing Description may differ from the actual product of part# M800B-ESBC-100