[SIPForum-discussion] which timer UAC start on 491 response ?

[AMIT ANAND]

What will be the call flow in this case can you please explain a little.

Amit Anand


On 6/13/08, Ivan, Martin <martin.ivan at siemens.com> wrote:
>
>  Taken From 3261
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> "If a UAC receives a 491 response to a re-INVITE, it SHOULD start a
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>    timer with a value T chosen as follows:
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>
>
>       1. If the UAC is the owner of the Call-ID of the dialog ID
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>          (meaning it generated the value), T has a randomly chosen value
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>          between 2.1 and 4 seconds in units of 10 ms.
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>
>
>       2. If the UAC is not the owner of the Call-ID of the dialog ID, T
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>          has a randomly chosen value of between 0 and 2 seconds in units
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>          of 10 ms."
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>
>
> Is randomly chosen value taken from interval of sip T2 timer which is 4s ?
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>
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>
> Regards,
>
>
>
> *Martin Ivan*
>
> *Senior Systems Engineer*
>
>
>
> *Siemens Enterprise Communications, a.s.*
>
> Stromová 9
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> 831 01 Bratislava
>
> Slovak Republic
>
>
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