AudioCodes M1K-VM-4SPAN is a quad-span E1/T1 voice module for the Mediant 1000 digital/mix chassis, delivering four independent E1/T1 voice interfaces to connect four trunk lines to the gateway. It extends the Mediant 1000’s TDM-to-VoIP gateway capabilities and is compatible with Mediant 1000B/mix chassis. The part is identified in AudioCodes documentation as M1K-VM-4SPAN with hardware revision P03, reflecting its place in the Mediant 1000 module lineup.
