... including integrated routing and bridging, PPPoA, PPPoE, NAT, DHCP Server and Client, Life-line POTS, voice and data QoS, and VPN pass-through ... modeVOIP function supports SIP and MGCP protocolPure bridge mode, Supports up to 8 PVCs.Routing function.NAT,DHCP function ... ATM)LLC encapsulation or VCMUX encapsulation (RFC1483)1483 routing(1483 Routing IP over ATM)LLC encapsulation or VCMUX encapsulation ...