Hi,

The branch param (as the name says) identifies a branch of a transaction.

CSEQ ( + from TAG and to TAG) identify a transaction. A transaction can 
have one or more branches (due forking).

Regards,
Bogdan

priyank luthra wrote:
> Hi all,
>
> I would like to know why and how is a branch parameter in Via header able to
> identify a transaction, and if so, why do we need CSeq header to identify a
> transaction?
>
>   

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