"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:GX- 800C with 3 E1/T1 and 4 FXS interfac - GX-800C-V-3ET4S
Includes GX- 800C chassis with 4 GE ports. Supports dual AC/DC power supplies (optional AC/DC power adapter can be ordered separately). Software upgradeable to 4 E1/T1 interfaces - GX-800C-V-3ET4S
Image, Data Sheet & Marketing Description may differ from the actual product of part# GX-800C-V-3ET4S