[Users] nathelper natping OPTIONS packets formated to not get reply?

[Bogdan-Andrei Iancu]

Hi Glenn,

nathelper, when building the OPTIONS ping, for To hdr, the registered 
contact is used (due simplicity reasons). So the client seams to 
register contacts without username. interesting is why isn't it accept 
them back :).

regards,
bogdan

Glenn Dalgliesh wrote:

> I was looking at packet traces of the OPTIONS packets generated by 
> natping and it appears that at least in my implementation of OpenSer 
> 1.0.0 the “To: sip” line has no username which causes many UA’s 
> require in order to respond to the OPTIONS packet. I was wondering if 
> this was intentional or if it would be possible to change this 
> behavior or at least make it an configurable option. I think a lot 
> could be done/determined based on the results of the reply; including 
> determining if the packet is really reaching the UA. I realize that 
> some UA’s may not support this feature but I think more do than not.
>
> Just my observations/thoughts. Please give me reasons for this being a 
> good or bad idea….
>
> *Current Packet:*
>
> U 2006/01/20 16:27:10.410848 111.15.13.67:5060 -> 111.16.187.102:5060
>
> /OPTIONS sip:111.16.187.102:5060 SIP/2.0./
>
> Via: SIP/2.0/UDP 111.15.13.67:5060;branch=0.
>
> From: sip:ping at intervoz.com.br;tag=ec30e9b7.
>
> To: sip:111.16.187.102:5060.
>
> Call-ID: b3fdcfa3-71a82db5-445151 at 111.15.13.67.
>
> CSeq: 1 OPTIONS.
>
> Content-Length: 0.
>
> *Suggested Packet:*
>
> U 2006/01/20 16:27:10.410848 111.15.13.67:5060 -> 111.16.187.102:5060
>
> /OPTIONS sip:*<username from location table>*@111.16.187.102:5060 
> SIP/2.0./
>
> Via: SIP/2.0/UDP 111.15.13.67:5060;branch=0.
>
> From: sip:ping at intervoz.com.br;tag=ec30e9b7.
>
> To: sip:111.16.187.102:5060.
>
> Call-ID: b3fdcfa3-71a82db5-445151 at 111.15.13.67.
>
> CSeq: 1 OPTIONS.
>
> Content-Length: 0.
>
>------------------------------------------------------------------------
>
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