Extension mobility. On our existing Avaya systems users login to any phone using a combination of their extension (in our case 7 digits) plus a PIN number which is set to the last 4 digits of the user extension. We wanted to implement it the same way on Cisco but it required entering the username plus a PIN number. Typing a username on a phone key pad was met with a lot of frowns and comparisons with old cell phones. is there a way to do this. We have a LDAP connection to ADs for users
