CISCO - 4-Port Network Interface Module - FXS, FXS-E and DID

4-PORT NETWORK INTERFACE MODULE - FXS. F

4-Port FXS/FXS-E/DID Network Interface Module Compatible with Cisco ISR 4000 and 1000 Series routers Supports echo cancellation and jitter buffer Codec support: G.711, G.729, G.723.1, T.38 fax relay Protocols: SIP, H.323, MGCP Online insertion and removal (OIR) capable Dedicated Digital Signal Processor (DSP) for analog voice services Operating temperature: 0 to 70°C Storage temperature: -40 to 85°C