[SIPForum-discussion] Multiple Expire parameter in Contact header

[Murat Baykiz]

Hi Kutay,

There exists two contact headers with different expire values since  
your sip account has two distinct registrations with different ip  
addresses. 200 OK message shows us you have successfully deregistered  
the contact that has expires=0 and one registration is still active  
with the expires=84703 value.
I hope it is clear for you.

Murat

Sent via iPod

10.Kas.2011 tarihinde 17:15 saatinde, "Kutay OZDOGRU" <kutayo at netas.com.tr 
 > şunları yazdı:

> Hi all,
>
>
>
> I have a sipserver that registers multiple clients to IMS side  
> however, when my sipserver gets 200 OK message for De-register as  
> below, it faces confusion because of 2 expire parameters.
>
>
>
> m:
>
> <sip: 
> 2124400004 at 137.116.157.205:5061>;description="Login";expires=84703;
>
> +sip.instance="<urn:uuid:c19497bf-9ba3-404a-b77f-0d6014021eed>";reg- 
> id=1
>
> ,<sip:2124400004 at 47.133.146.132:5060>;expires=0
>
>
>
>
>
> There is no expire header in 200 OK message so expire parameter is  
> in contact header but why remote sip server sends me
>
> 2 different expires....
>
>
>
> How can I be sure about which expire should I use? :S
>
>
>
> I have a confusion on this point. I cannot find any information  
> about this in RFC3261... is it applicable?
>
> Do I have to  handle this?
>
>
>
> Could you please give me your comments?
>
>
>
> Thanks,
>
> Kutay
>
>
>
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