[Serusers] When the UA crash (network or power) : the call continue!!!!

[Jiri Kuthan]

The *gateway* must implement the ST. The UAC does not have to.

-jiri

At 12:21 PM 3/23/2005, Nicolas Ruiz wrote:
>Hi all,
>
>If my UAs doesn't have session-timer.
>
>UA_a  --------  SER ---------- PSTN ---------- UA_b
>
>If the UA_a have a network crash, My PSTN gateway continue to bill my
>customer UA_a until UA_b have hanging up.
>
>If I am right, I have to use a B2BUA to control the integrity of the call.
>I have TEST B2BUA of Vovida, but it doesn't very nice!
>
>Thanks in advance for a good solution, HELP HELP HELP :0(
>
>Excuse me for my english !
>
>Best Regards,
>
>Nicolas RUIZ
>France, Paris
>
>
>
>-----Message d'origine-----
>De : Jiri Kuthan [mailto:jiri at iptel.org]
>Envoye : mercredi 23 mars 2005 10:10
>A : Java Rockx; Nicolas Ruiz
>Cc : serusers at lists.iptel.org
>Objet : Re: [Serusers] When the UA crash (network or power) : the call
>continue!!!!
>
>
>Hi Paul,
>
>I would actually not tend to say "the only solution" -- for PSTN
>accounting accuracy, which mostly matters, use of gateways with
>session-timer work well. Other cases to cut a call do not appear
>compelling to me -- in the end, phones will detect the conditions
>and hang up.
>
>B2BUAs have also side-effect, at least weaker scalability.
>
>-jiri
>
>At 12:51 PM 3/22/2005, Java Rockx wrote:
>>The only real solution to guarantee call control is to use a B2BUA as
>>ser is 100% unaware of call status. Ser only maintains transaction
>>state, not call state.
>>
>>If your SIP UAs support the Session-Expires header then they will
>>automatically send re-INIVITES which will disconnect the call and send
>>a BYE message to SER in the event of a failure.
>>
>>Regards,
>>Paul
>>
>>
>>On Tue, 22 Mar 2005 10:43:28 +0100, Nicolas Ruiz <nruiz at vivaction.com>
>wrote:
>>>
>>> Hi,
>>>
>>> How can I verify if my UA have a network crash or a power crash, to cut
>the
>>> call ? can I send Keep ALIVE ???
>>>
>>> Thansk a lot.
>>>
>>> Regards
>>>
>>> Nicolas RUIZ
>>> France, Paris
>>>
>>> _______________________________________________
>>> Serusers mailing list
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>>>
>>>
>>>
>>
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>
>--
>Jiri Kuthan            http://iptel.org/~jiri/
>
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--
Jiri Kuthan            http://iptel.org/~jiri/