Bruce Qi wrote:
> Hi Paul:
> Is This issue belong to the internal implementation of SIP production?
> Beacuse I think there are many similar issues in the development of SIP
> production.
Sorry - I don't understand your question.
But in general there are potential issues of this sort in sending one
request on a dialog before a prior request has completed. It is best to
be avoided, though in certain cases it may be ok.
Paul
> Thanks and Regards
> Burce Qi
>
>
> ----- Original Message -----
> From: "Paul Kyzivat" <[EMAIL PROTECTED]>
> To: "Arunachalam Venkatraman (arunvenk)" <[EMAIL PROTECTED]>
> Cc: <[email protected]>; "yan" <[EMAIL PROTECTED]>
> Sent: Friday, June 22, 2007 7:48 AM
> Subject: Re: [Sip] Could a UA issue a new NOTIFY before the previous NOTIFY
> transaction has completed?
>
>
>>
>> Arunachalam Venkatraman (arunvenk) wrote:
>>> However, if you are using UDP and if the data in the second NOTIFY is
>>> additive to and not replacing the prior NOTIFY, you may run into the
>>> issue of out-of-sequence delivery.
>> This can be a problem even when using TCP if there are proxies in the
>> path. There is no requirement for proxies to deliver messages in the
>> order they receive them.
>>
>> Paul
>>
>>> ------------------------------------------------------------------------
>>>
>>> *From:* Robert Sparks [mailto:[EMAIL PROTECTED]
>>> *Sent:* Wednesday, June 20, 2007 12:18 PM
>>> *To:* yan
>>> *Cc:* [email protected]
>>> *Subject:* Re: [Sip] Could a UA issue a new NOTIFY before the previous
>>> NOTIFYtransaction has completed?
>>>
>>>
>>>
>>> Generally speaking, yes.
>>>
>>>
>>>
>>> An individual event package may restrict that behavior though.
>>>
>>>
>>>
>>> RjS
>>>
>>>
>>>
>>> On Jun 15, 2007, at 12:16 PM, yan wrote:
>>>
>>>
>>>
>>> hi:
>>>
>>> Could anyone answer me the question:
>>>
>>> Can a UA issue a new NOTIFY before the previous NOTIFY transaction has
>>> completed?
>>>
>>> thx
>>>
>>>
>>>
>>> yan
>>>
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
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>>
>> _______________________________________________
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