[Sip] CSeq question?

[Brazier Lachlan <lachlan.brazier@siemens.at>]

Hello,

probably awnsered long ago, but I couldn't find it :-(

The reason I ask is, that it wasn't clear to me, if the increasing of the
CSeq value in a dialog is bound to a request class (INVITE, BYE, MYREQUEST,
etc.) or to requests in general.


Do I read the draft correct with:


INVITE .....
CSeq: 1 INVITE

200 Ok
CSeq: 1 INVITE

ACK ----
CSeq: 1 ACK

--Dialog is established--

BYE .....
CSeq: 2 BYE

200 Ok
CSeq: 2 BYE

This means, in the BYE request ( or any other request except of CANCEL +
ACK) a CSeq with value "1 BYE" is not allowed?

But for CANCEL:

INVITE .....
CSeq: 1 INVITE

--Dialog is not established--

CANCEL ....
CSeq: 1 CANCEL



Thanks
Lachlan

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