2009/2/20 maverick me <[email protected]>:
> Hi All,
>
> Can 100 Trying have contact header?
> Is there any specification which says in which all SIP messages contact
> header can present.
Take into account that 100 Trying is hop by hop. This is:
alice Proxy bob
INVITE ----->
<-------- 100
INVITE ----->
<-------- 100
This is, 100 is replied by each SIP hop, so the 100 Trying arriving to
alice is generated by Proxy, not by bob. This means that in case bob
adds "Contact" to its 100, this "Contact" will not arrive to alice.
As a suggestion, I wouldn't add "Contact" in 100. It's 100 useless.
--
Iñaki Baz Castillo
<[email protected]>
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