The NetLink Telephony Gateway provides the interface between the Ethernet LAN and the host telephone switch. Each Telephony Gateway supports 16 Wireless Telephone users and up to 40 Telephony Gateways can be linked together for a system capacity of 640 users.----The NetLink Telephony Gateway connects to the host telephone switch using analog or digital line interfaces. Each Wireless Telephone has a unique port assignment on the telephone switch.