HOMEVoIP (Voice over IP)Media GatewayEnterprise Session Border Router (ESBR) 16 Transcoded Calls, upgradable to max 32, 48 SIP Sessions (SIP back-to-back calls) Upgradable to 1 Patton 11-11156 Enterprise Session Border Router (ESBR) 16 Transcoded Calls, upgradable to max 32, 48 SIP Sessions (SIP back-to-back calls) Upgradable to 1 SKU #11-11156 Oh oh! That product is no longer available... Check out these alternatives FRITZ!Box 4050 Wi-Fi 6 (802.11ax) Router, Mesh Capable, GigE WAN, 3x Gig... Details FlyingVoice FPX9102H Multi-function VoIP Gateway, Gigabit Router, WiFi, 2x FXO Details Grandstream GWN7062ET Dual-WAN Long Range Wi-Fi 6 802.11ax Gigabit VPN Router, ... Details Grandstream GXW4216V2 16 Port FXS Analog VoIP Gateway Details VIEW ALL Media Gateway