Duration between two calls means "how long  the session lasted"... for billing i need to know the duration of the call ... this is what i meant in my previous post.
Thanks anyways for taking time to reply to my post

Alex Balashov wrote:
What on Earth does "duration between two calls" mean, exactly?

Rajesh wrote:

Dear all,
               I would like to know if i can get the duration between two calls in Accounting module..I am in an attempt to  do  "Billing" module for OpenSER and hence would like to know  the same.
-- 
Regards,
Rajesh 

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--
Regards,
Rajesh Sreedharan
Software Trainee-Wireless & Mobile Technology

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