Sorry about that.  Yes, the ITSP uses registration.

------------------------------------------------------------------------
Heather L. Sanders
Linux Systems Administrator
Saginaw Valley State University
7400 Bay Road
374 Wickes Hall
University Center, MI 48710
Office: (989) 964-2156
Mobile: (989) 326-3300
Email: [email protected]

On 08/13/2010 02:22 PM, Tony Graziano wrote:
> PAI is a trust thing within sip. It cant get passed more than one
> level i think and some itsp's use it to perform a basic authentication
> of sorts. I feel it is somewhat open and useless, but that's my opinion.
>
> If you put {itsp-registration-...@${itsp-domain} in the default
> identity AND disable it, does it then work? I ask because I think that
> piece of code (what has been fixing callerid for some) might be
> reading some logic or fields "backwards".
>
> You never did answer if the itsp uses registration (or plain IP ACL)...
>
> On Fri, Aug 13, 2010 at 2:12 PM, Heather L. Sanders <[email protected]
> <mailto:[email protected]>> wrote:
>
>     The ITSP requires that we send 
>     ${itsp-registration-...@${itsp-domain} . 
>
>     I have attached the firewall pcap.  If you look at frame 8 of this
>     pcap, you will see that the from header contains exactly that. 
>     However, what is interesting...is that the PAI header contains my
>     personalized callerid information in the format 
>     ${user's-caller-...@${your-sip-domain} .
>
>     So...as far as I can tell, when the call rings through, the ITSP
>     reads the 'From' header and passes that along as the caller ID
>     information, because, from what I understand about SIP/SDP
>     protocols the PAI is *not* passed for caller id, it is for
>     informational purposes only...right??
>
>     I could have this backwards...I am new to this whole SIP thing, so
>     please correct me if I am wrong.
>
>
>     ------------------------------------------------------------------------
>     Heather L. Sanders
>     Linux Systems Administrator
>     Saginaw Valley State University
>     7400 Bay Road
>     374 Wickes Hall
>     University Center, MI 48710
>     Office: (989) 964-2156
>     Mobile: (989) 326-3300
>     Email: [email protected] <mailto:[email protected]>
>
>     On 08/13/2010 12:38 PM, Douglas Hubler wrote:
>>     On Fri, Aug 13, 2010 at 10:13 AM, Heather L. Sanders <[email protected]> 
>> <mailto:[email protected]> wrote:
>>       
>>>     I took your suggestion and ran a pcap at my firewall...I can see that my
>>>     callerid info is in the PAI header.  However, my ITSP requires that we 
>>> use a
>>>     valid PAI, so sending anonymous is 'not an option' for us with this 
>>> ITSP.
>>>         
>>     it seems there is no way to send empty PAI or PPI, would that help
>>     your situation?
>>
>>     What is the exact value for PAI and PPI that your ITSP desires
>>      e.g.
>>         ${user's-caller-...@${your-sip-domain}
>>         ${user's-caller-...@${itsp-domain}
>>         ${itsp-registration-...@${itsp-domain}
>>
>>       
>
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>
>
>
>
> -- 
> ======================
> Tony Graziano, Manager
> Telephone: 434.984.8430
> sip: [email protected]
> <mailto:[email protected]>
> Fax: 434.984.8431
>
> Email: [email protected] <mailto:[email protected]>
>
> LAN/Telephony/Security and Control Systems Helpdesk:
> Telephone: 434.984.8426
> sip: [email protected]
> <mailto:[email protected]>
> Fax: 434.984.8427
>
> Helpdesk Contract Customers:
> http://www.myitdepartment.net/gethelp/
>
> Why do mathematicians always confuse Halloween and Christmas?
> Because 31 Oct = 25 Dec.
>
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