Home | Products | Patton Electronics | VoIP Analog VoIP Gateways SmartLink M-ATA SmartNode 4110 Series, up to 8 FXS and/or FXO SmartNode 4300 - IPChannel Bank Multi-Port FXS Gateway Analog VoIP Routers SmartLink 4020 SoHo Series SN4400 Series (12 to 32 ports) SN4520 - Analog VoIP Router, up to 8 FXS/FXO SN4900 - IP ChannelBank VoIP Gateway Router (up to 32 ports) Analog VoIP IADs SmartNode 4830 DSL Series SmartNode 4830 Analog IAD Series Digital VoIP Gateways SN4940 - Multi-port T1/E1/PRI VoIP Media gateway SN4950 T1/E1/PRI VoIP Gateway Router Digital VoIP Gateway-Router Ditital VoIP IADs Session Border Routers SN4960 T1/E1/PRI VoIP Session Border Router SN5200 Enterprise Session Border Router SN5400 Enterprise Session Border Router with Transcoding Special Purpose VoIP Devices SN2290 Analog Leased Line Extender over IP