[Devel] Processing REGISTER requests
Klaus Darilion
klaus.mailinglists at pernau.at
Thu Oct 6 18:56:06 CEST 2005
I was not aware of the problems when using fix_nated_register().
I would propose (maybe I'm a little bit radical):
1.
- do not use fix_contact/fix_natted_contact (as it is not RFC conform
and may cause problems with certain clients)
- fix the current alorithm to use the "public URI" instead of the
private URI
2. Add support for call-id matching and make it configureable as users
choice: either contact or call-id; no mixture
regards
klaus
Dan Pascu wrote:
> On Thursday 06 October 2005 19:07, Klaus Darilion wrote:
>
>>>First registration.
>>>
>>>Phone 1:
>>> callid = somecallid
>>> cseq = 101
>>> ip = 10.0.0.1
>>> port = 5060
>>
>>Ok! Now the second phone will register:
>>
>>>Phone 2:
>>> callid = anothercallid
>>> cseq = 101
>>> ip = 10.0.0.1
>>> port = 5060
>>
>>Now ser will use your algorithm:
>>
>>1. Check for callid: not found
>>
>> > 2. if previous step failed to find an entry use the current
>> > algorithm to lookup by contact.
>>
>>This will match the registration from phone 1. Thus, combining call-id
>>and the existing algorithm won't work!
>
>
> That's true if you use fix_nated_register() and store private contacts,
> but still this will improve the case where you store public contacts.
> Overall won't work worse, but the same or better. I don't claim it's a
> panacea.
>
>
>
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