[OpenSIPS-Users] Basic doubt of sip routing

[Toyima Dias]

COOL Adrian...many thanks for your kindly answers...by the way, i've checked
on the rfc that the client must use NAPTR and SRV to resolve domains!

2011/2/11 Adrian Georgescu <ag at ag-projects.com>

> If your SIP device support dialing only phone numbers, you need a
> translation mechanism, this you can implement in the SIP proxy. You can use
> standard ENUM (http://www.faqs.org/rfc/rfc3764.txt),  local database
> lookups, configuration logic to translate the number into a fully qualified
> SIP address or many other methods, there are plenty of OpenSIPS modules that
> do such phone number translation.
>
> Adrian
>
>  On Feb 11, 2011, at 2:04 PM, Toyima Dias wrote:
>
>  create...got it...that means that if i have a phone registered in proxy
> A, and i want to call userB, A has no idea where B resides, at all...how
> does A know the domain of B? he must put in the RURI of the invite
> userB at domain_of_b, right? how does A knows the domain of B? does A must
> press in the phone: usearB(a number)@DOMAIN_OF_B?
>
> sorry for many questions, keep reading the rfc...
>
>
> 2011/2/11 Adrian Georgescu <ag at ag-projects.com>
>
>> SIP routing works exactly like email. How did you know to email this list?
>>
>>
>> Adrian
>>
>>
>>  On Feb 11, 2011, at 1:42 PM, Toyima Dias wrote:
>>
>>  Thanks Adrian...
>> So...how does ALice now that bob is in the biloxi.com domain? per the rfc
>> 3263 section 4 (client usage) the ua must use DNS to determine where to send
>> a call...but i have a softphone righ now, and i'm trying to make a call like
>> this:
>>
>> 234560 at proxy2.com (inserted by me), not just puting the number....maybe
>> i'm saying something crazy, but i'm confuse!
>>
>>
>> 2011/2/11 Adrian Georgescu <ag at ag-projects.com>
>>
>>> The SIP proxy lookups up the domain part, what appears after the @ sign
>>> before any parameters separated by ; if is an IP address like in your
>>> example you do not perform a DNS lookup you just send the packet there.
>>>
>>> In the request URI you must put the address of the remote end, not your
>>> own address. In your example user A calls user 264512380973<sip%3A264512380973 at 172.30.140.57> on
>>> the same Proxy and not a remote one.
>>>
>>> See the illustrated examples from:
>>>
>>> http://www.tech-invite.com/Ti-sip-ex3261.html
>>>
>>>  Adrian
>>>
>>>  On Feb 11, 2011, at 1:17 PM, Toyima Dias wrote:
>>>
>>>  Adrian, i'm checking the rfc...but even i have a question...when UA
>>> sends an INVITE to it's proxy to a phone for example (obviously not
>>> registered on the proxy), the proxy will check the RURI of this invite and
>>> it will se the following:
>>>
>>> user A sends the invite to its proxy : INVITE
>>> sip:264512380973 at 172.30.140.57 <sip%3A264512380973 at 172.30.140.57>;transport=UDP
>>> SIP/2.0 (172.30.140.57 is the IP of proxy A)
>>>
>>> Where does the DNS takes part? the domain is it's ip address...i'm quite
>>> confuse, any help would b e appreciated
>>>
>>> Thanks
>>>
>>>
>>> 2011/2/11 Toyima Dias <toyimads at gmail.com>
>>>
>>>> Thanks Adrian...reading the RFC3263!
>>>>
>>>> Thanks!
>>>>
>>>>
>>>> 2011/2/11 Adrian Georgescu <ag at ag-projects.com>
>>>>
>>>>  The proxy is using DNS to lookup the destination server.
>>>>>
>>>>> Google for RFC 3263
>>>>>
>>>>> Adrian
>>>>>
>>>>>
>>>>>   On Feb 11, 2011, at 10:19 AM, Toyima Dias wrote:
>>>>>
>>>>>   Hello community,
>>>>>
>>>>> I have a doubt, how does a SIP Proxy (OpenSIPS) would handle a call for
>>>>> a domain that he doesn't now? i mean...user A is registered in proxy AA, if
>>>>> A wants to call to another user in another domain (not registered in the
>>>>> Proxy AA) how does this proxy should handle the call? how does he now where
>>>>> to send this call?
>>>>>
>>>>> Any clarification would be appreciated :)
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>>>>>
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>>>>
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