Is anybody out there experienced after configuring the dhcp option 242 for avaya ip phones and after rebooting it, that specific line lost.
so i need to start all over to configure that line.
3 of my new customer having the same problem, and right now i used to simulate it using a DYNAMIPS and stranged it also happened to me.
i used different IOS version latest and the downgraded version. still the same problem with no luck.