Daniel-Constantin Mierla wrote:

Hello,

On 03/05/07 17:56, Michel Bensoussan wrote:

...

Hello

I need to add a proprietary parameter in the the contact header of the REGISTER message. Something like

REGISTER sip:registrar.biloxi.com SIP/2.0

Via: SIP/2.0/UDP bobspc.biloxi.com:5060;branch=z9hG4bKnashds7

Max-Forwards: 70

To: Bob sip:bob@biloxi.com

From: Bob sip:bob@biloxi.com;tag=456248

Call-ID: 843817637684230@998sdasdh09

CSeq: 1826 REGISTER

Contact: sip:bob@192.0.2.4*;my_param=1:2:3 <----------------------

Expires: 7200

Content-Length: 0

I want to add this parameter between the UA and the OpenSER. This is not simple so before I start I want to be sure that:

1. There is no contradiction with the SIP standard.
2. OpenSER will handle it without any patch (actually just ignore

this parameter).

openser will ignore it, but will get stored in usrloc.The UA could reject it in 200OK or new INVITEs to it.

Is there a better way to pass an information, like the parameter I need, in the REGISTER message? Thanks, Michel.

Cheers, Daniel

...

Thanks.

Regards, Michel.

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