[Serusers] Re: [Users] SIP general question about via header

Daniel-Constantin Mierla daniel at voice-system.ro
Thu Aug 17 10:33:31 CEST 2006


Hello,

On 08/16/06 20:14, Ricardo Martinez wrote:
>
> Hello
>         Is permitted to mix the two via forms (normal form and compact 
> form) in one SIP message?
>
yes, it is permitted. You can mix the name form as well as the content 
of headers (single via content per header, or multiple). I guess RFC3261 
is best document to look at.

Cheers,
Daniel

> For example i have an INVITE with this VIA's :
>
> INVITE sip:005623341876 at 10.0.0.67:5060 SIP/2.0
> Record-Route: <sip:10.0.0.36;ftag=2179110362;lr=on>
> Record-Route: <sip:10.0.0.35;ftag=2179110362;lr=on>
> Via: SIP/2.0/UDP 10.0.0.36;branch=z9hG4bK58f4.cdc602d2.0
> Via: SIP/2.0/UDP 10.0.0.35;branch=z9hG4bK58f4.83fe5745.0
> v: SIP/2.0/UDP 64.76.148.234:5060;branch=z9hG4bK2881566366
>
> ....
>
> If the answer is yes where can i found some documents to support this 
> information?
> Thanks again!
>
> Best Regards,
>
> Ricardo Martinez.-
>
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