Re: [martini] martini-gin-08, question on public-gruu

[Paul Kyzivat <[e-mail]>]

That's how it will work unless the pbx optimizes it.

Its not really any different than when one UA of the pbx sends an INVITE 
to sip:[e-mail], which could arise in many ways. The 
pbx can optimize this by recognizing its own addresses.

	Thanks,
	Paul

On 9/28/2010 3:33 AM, Martien Huysmans wrote:
> Ch 7.1.1 describes that a UA behind a SIP-PBX can receive the following
> contact header
>
> <allOneLine>
>
> Contact: <sip:line-1@10.20.1.17>;
>
> pub-gruu="sip:[e-mail];gr=urn:
>
> uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6;sg=00:05:03:5e:70:a6";
>
> +sip.instance="<urn:uuid:d0e2f290-104b-11df-8a39-0800200c9a66>"
>
> ;expires=3600
>
> </allOneLine>.
>
> Assume this UA (UA1) send an INVITE to UA2 where UA1 includes in it’s
> contact the above public GRUU.
>
> Assume that UA1 and UA2 are both registered with the same SIP-PBX.
>
> Next UA2 uses the above public GRUU in an out-of-dialog INVITE request
> to UA2. That INVITE would look like
>
> INVITE
> sip:[e-mail];gr=urn:uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6;sg=00:05:03:5e:70:a6
> SIP/2.0
>
> As the SIP-PBX is not authoritative for the ssp.example.com domain, the
> SIP-PBX will route the request to the SSP,
> where the RURI is updated and the following INVITE is send to the SIP-PBX.
>
> INVITE sip:[phone]@198.51.100.3;sg=00:05:03:5e:70:a6 SIP/2.0.
>
> Is this how it will work?
>
> Regards Martien
>
> line
>
> *MARTIEN HUYSMANS Ir* *
> System Engineer*
>
>
> Ericsson
> ETM/DAB
> Ericssonstraat 2
> 5121 ML RIJEN, Netherlands
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