The following configuration shows the minimum number of commands necessary to provision Radius Accounting and logging of the CME "Account Codes" in the Call Detail Records. Replace the IP address of the Radius server and password, where appropriate.
!
aaa new-model
!
aaa authentication login h323 group radius
aaa authorization exec h323 group radius
aaa accounting connection h323 start-stop radius
!
gw-accounting aaa
!
radius-server host A.B.C.D auth-port 1812 acct-port 1813
radius-server key XXXXXX
radius-server retransmit 30
radius-server vsa send accounting
radius-server vsa send authentication
!
More information can be found on:
http://www.cisco.com/en/US/docs/ios/voice/cdr/developer/guide/cdradius.html