CDR Output of Ring Time

[CF831SR]

Can anyone help with the following call logging query ?

I have an ACM4 S8700/G650 switch and use the call logger to produce stats on, amongst other things, time to answer. I can output from the Avaya the time it takes the switchboard to answer a call but not how long it takes for the extension to which the call is extended to answer. The output from the Avaya is as below :-

1st call) Call made from PSTN Number 655130 to switchboard and extended by swbd to 7542 :-
12:23:52 011208 1221 00004 G 8000 655130 606 001 0 0 ---Time taken by swbd to answer = 4secs
12:24:10 011208 1221 00017 9 0 655130 606 001 0 0 ---Combined swbd talking and extension ringing time 17secs
12:24:26 011208 1221 00016 9 7542 655130 606 001 0 0 ---Extension 8542 call established talking time 16secs


2nd call) Call answered by switchboard, not extended
12:40:32 011208 1238 00006 G 8000 655130 606 003 0 0 ---ringing
12:40:42 011208 1238 00011 9 0 655130 606 003 0 0 ---short 11 second conversation with swbd
(G indicates ring time)

Does anybody have any thoughts on how I can output the time to answer by the extension which receives a call transfered from the switchboard or can it not be done ? Intra Switch CDR is set for all extns.

Thanks,
Paul.