Paul,

I must admit I am surprised by this.  I thought offers and answers can 
only be sent using the same transaction.  Thanks for clearing it out.  I 
have some code to fix.

Joegen

Paul Kyzivat wrote:
> Yes, of course it can be sent in the PRACK. Its one of the primary 
> purposes of PRACK.
>
>     Paul
>
> [EMAIL PROTECTED] wrote:
>> Can the SDP answer be actually sent through PRACK?  Shouldn't it be 
>> sent in ACK for 200 Ok?
>>
>> Sanjay Sinha (sanjsinh) wrote:
>>> 200 OK to the Prack and then terminate the Invite with 488.
>>>
>>>  
>>>> -----Original Message-----
>>>> From: [EMAIL PROTECTED] 
>>>> [mailto:[EMAIL PROTECTED] On Behalf 
>>>> Of Nithin N
>>>> Sent: Wednesday, April 02, 2008 7:24 AM
>>>> To: [email protected]
>>>> Subject: [Sip-implementors] Offer/Answer Violation in RPR Cases
>>>>
>>>> Hi All
>>>>
>>>> If an Offer/Answer violation happens in RPR case, how shall we 
>>>> terminate the dialog. For example, if PRACK is received with a 
>>>> malformed SDP, what shall be the error response code that needs to 
>>>> be  sent to UA.
>>>>
>>>> UA                           SBC                Proxy
>>>> |      INVITE                   |                             |
>>>> |-------------------------->|        INVITE         |
>>>> |                                     |-------------------->|
>>>> | 100 Trying                 |                             |
>>>> |<--------------------------|   100 Trying       |
>>>> |                                    |<---------------------|
>>>> |                                    | 183(sdp offer)   |
>>>> | 183(sdp offer)          |<---------------------|
>>>> |<--------------------------|                              |
>>>> | PRACK(malformed |                             |
>>>> | sdp answer)             |                             |
>>>> |-------------------------->|                             |
>>>>
>>>> Regards
>>>> Nithin.N
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>>>>
>>>>     
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>>
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