[Serusers] if power failure happens in UA while call is in progress, Ser accounts wrong

[Greger V. Teigre]

This matter has been discussed throughly on the list, more than once. Do 
a search on "BYE accounting" and I'm sure you get plenty of hits.
http://iptel.org/listsearch
g-)

Andreas Wernitz wrote:
> Ricardo Carvalho wrote:
>> Meanwhile I was making my scripts for management of the accounting, I 
>> realized and after some call has been answered if the called party 
>> simply has a power failure or network failure, no BYE message ever 
>> gets returned to the other party, what results in the acc table in 
>> one ACK message and after that no more messages belonging to that 
>> call-id. This can mean erroneously that the call is still in progress 
>> eternally, resulting in an enormous  billing to the caller!!
>> This is a very serious issue! How can I protect my system from this 
>> kind of problems?
>>
> if you are billing onnet calls, you're lost. if you bill calls to the 
> PSTN,
> you can try to correlate your accounting data with accounting data
> provided by the gateway.
>
> perhaps your gateway provider does offer Session Timer ?
>
>
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