About IP Telephony at the ANU

Critical Reliability – 99.999% availability for voice servers and main analogue & Carrier gateways
Distributed architecture
Separately routed VLAN’s for Voice
absolute segregation from data
IP telephones with 3-port Ethernet switch
remote sites with stand-alone capability
Flexible reuse of analogue gateways
Multiple small contact & call centres
help desks, box office, security, student accommodation, student admissionhttp://netcomms.anu.edu.au/phone/images/phonediag.gif