You can experience at least the following hangup causes from FreeSWITCH itself: *ALLOTTED_TIMEOUT* - when you end the call by timer *MEDIA_TIMEOUT* - when there is no RTP for some period (I would assume it can happen if server lost network connection for some time) *ATTENDED_TRANSFER* - not sure when it will happen, but I saw this in CDR for an answered call Case with media timeout is a very special one. In this case user might have talked only for 60 seconds, but timeout happened after 1800 seconds (or how is configured). You have no way to know how much time exactly the clients have talked, because in the CDR you will see 1800 seconds. In this case I think it will be fair to bill just for 1 minute or so and accept your expenses. I never saw other hangup cases for answered calls from FreeSWITCH itself. Regards, Vitalie 2012/9/5 Steven Ayre <steveayre@gmail.com>
Do you have SIP traces for the call? If you're bridging then it's possible for the remote end to hangup the answered call with an ISDN clearing cause other than NORMAL_* (just like they can in ISDN signalling). For billing purposes I suggest you bill anything where billsec>0 rather than only NORMAL_CLEARING calls.
-Steve
On 4 September 2012 19:23, Muhammad Naseer Bhatti <nbhatti@gmail.com> wrote:
Hi, I am seeing a lot of calls with hangup cause/Enumeration is not NORMAL_CLEARING while the calls still have a valid duration and answered time. For a typical billing scenario, calls are billed if (answered time) billsec>0 and hangup cause = NORMAL_CLEARING. In what cases the enumeration would be other than normal and while the calls would be still a valid answered call?
Thanks
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