There is no condition that BYE should be only sent after completing Invite
transaction.

Vinodh

-----Original Message-----
From: Robert Sparks [mailto:[EMAIL PROTECTED] 
Sent: Thursday, February 14, 2008 5:26 PM
To: vinodh kumar
Cc: [email protected]
Subject: Re: [Sip-implementors] Query on Invite transaction

A can send the BYE at any time. It hasn't done anything wrong by sending the
BYE.

Sending the BYE does not relieve it of the duty of sending an ACK to the 200
however.

RjS

On Feb 14, 2008, at 3:40 PM, vinodh kumar wrote:

> Hi all,
>
> I have interesting case.
>
> Call is established between user A and user B.
>
> Now user User A sends Re-invite to user B who responds with 200 OK.
> 200 OK reaches User A, but User A tries to terminate the call and 
> sends BYE without sending ACK.
>
> Is this a valid behavior? If this is valid behavior what is expected 
> out of User B?
>
> User A                 User B
>
> ----------INV------------->
> <-----------200 OK-----
> ---------ACK------------->
>
> <-----speech path---->
>
> Reinvite
> ------------INV--------->
> <---------200 OK------
> -------------BYE-------->
>
> Thanks,
> Vinodh
>
> The information contained in this electronic message and any 
> attachments to this message are intended for the exclusive use of the 
> addressee(s) and may contain proprietary, confidential or privileged 
> information. If you are not the intended recipient, you should not 
> disseminate, distribute or copy this e-mail. Please notify the sender 
> immediately and destroy all copies of this message and any 
> attachments.
>
> WARNING: Computer viruses can be transmitted via email. The recipient 
> should check this email and any attachments for the presence of 
> viruses. The company accepts no liability for any damage caused by any 
> virus transmitted by this email.
>
> www.wipro.com
>
> _______________________________________________
> Sip-implementors mailing list
> [email protected]
> https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors


The information contained in this electronic message and any attachments to 
this message are intended for the exclusive use of the addressee(s) and may 
contain proprietary, confidential or privileged information. If you are not the 
intended recipient, you should not disseminate, distribute or copy this e-mail. 
Please notify the sender immediately and destroy all copies of this message and 
any attachments. 

WARNING: Computer viruses can be transmitted via email. The recipient should 
check this email and any attachments for the presence of viruses. The company 
accepts no liability for any damage caused by any virus transmitted by this 
email.

www.wipro.com

_______________________________________________
Sip-implementors mailing list
[email protected]
https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors

Reply via email to