Specifications
Product Description
IP Office Release 7.0
© 2011 AVAYA All rights reserved.
Page 254
Issue 22.a.- (21 March 2011)
Option 2: Direct connection from the IP Office’s second Ethernet port to the internet via a DMZ (demilitarized
zone) port on the router. To make this configuration secure, the IP Office firewall is set to drop all packets
except SIP.
Option 3: Connection to the ITSP over NAT using 3rd party STUN (Simple Traversal of UDP through NAT)
servers in the network to discover the NAT mechanism being used.