Cisco-E1

AAA Configuration:
aaa new-model
 aaa authentication ppp default group radius
 aaa authorization network default group radius none
 aaa accounting update periodic 1
 aaa accounting network default start-stop group radius
 aaa accounting delay-start

RADIUS CONFIGURATION:
 configure terminal
  radius-server source-ports extended
  radius-server host 172.16.16.1 auth-port 1812 acct-port 1813
  radius-server key 0 123
  radius-server timeout 5
  radius-server retransmit 3
  radius-server vsa send accounting 
  radius-server vsa send authentication

LINE E1 CONFIGURATION:
 controller E1 0
  framing NO-CRC4
  clock source line primary
  pri-group timeslots 1-31
interface Serial0:15
  ip unnumbered FastEthernet0
  encapsulation ppp
  isdn switch-type primary-net5
  isdn incoming-voice modem
  ppp authentication pap
interface Group-Async1
 ip unnumbered FastEthernet0
 encapsulation ppp
 no ip mroute-cache
 async mode dedicated
 peer default ip address pool As
 ppp authentication pap  
 group-range 1 240
line 1 240 
 session-timeout 10
 no flush-at-activation
 modem InOut
 modem autoconfigure discovery 
 transport input all 
 transport output pad telnet rlogin udptn 
 escape-character NONE
 autoselect during-login
 autoselect ppp 
 autohangup