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 DrayTek DV2765VAC VDSL/ADSL/UFB Router, Firewall, VPN, 802.11ac WiFi, 2 FXS... Details DrayTek DV2865VAC ADSL / VDSL / UFB Router with Firewall and VPN, VoIP, 11a... Details FlyingVoice FPX9102H Multi-function VoIP Gateway, Gigabit Router, WiFi, 2x FXO Details FlyingVoice FWR7102 LTE Wireless VoIP Router Details VIEW ALL Media Gateway