sipX is running in a VM and has only access to one interface. But me dumb
self has chosen the wrong interface to trace from on the host and so I was
not able to discover that sipX is actually working . ;-)

2010/7/21 Josh Patten <[email protected]>

>  Three LAN ports ehh? That might be your problem. sipX only supports a
> single interface.
>
> Josh Patten
> Assistant Network Administrator
> Brazos County IT Dept.
> (979) 361-4676
>
>
> On 7/21/2010 9:00 AM, Robert Hoffmann wrote:
>
> OK, forget everything I just wrote - I am just too dumb to select the
> correct interface out of my three LAN ports for sniffing. :-)
>
>
> 2010/7/21 Robert Hoffmann <[email protected]>
>
>> Hello again,
>>
>>  Thank you very much for your valuable input!
>>
>>  Now my problem is that when dialing any SIP URI via my Snom phone, the
>> sipX just returns "404 Not found". I can clearly see via Wireshark that sipX
>> is not doing any lookups on the domain name part of the dialed URI or
>> proxying the request at all. So it is not really trying to find my target.
>>
>>  What am I doing wrong?
>>
>>  As far as I understood I do not really have to configure that much (the
>> NAT options in "Internet Calling" are activated, internal domain and
>> internal subnet is configured and no trunking as you said).
>>
>>  Do I have to enable some kind of dial plan for dialing out via SIP URI
>> or is there something else blocking the proxy from doing its job?
>>
>>  BR
>>
>>  Robert
>>
>>
>> 2010/7/21 Tony Graziano <[email protected]>
>>
>>  Additionally your sipx installation needs to be able to lookup the
>>> callee's
>>> records via dns, so dns reolvers are important.
>>>
>>> You can also enable ISN calling and use that as we.
>>> ============================
>>> Tony Graziano, Manager
>>> Telephone: 434.984.8430
>>>  Fax: 434.984.8431
>>>
>>> Email: [email protected]
>>>
>>> LAN/Telephony/Security and Control Systems Helpdesk:
>>> Telephone: 434.984.8426
>>>  Fax: 434.984.8427
>>>
>>> Helpdesk Contract Customers:
>>> http://www.myitdepartment.net/gethelp/
>>>
>>>  ----- Original Message -----
>>> From: Tony Graziano <[email protected]>
>>> To: Robert Hoffmann <[email protected]>
>>> Cc: sipx-users <[email protected]>
>>> Sent: Wed Jul 21 06:59:09 2010
>>> Subject: Re: [sipx-users] Use sipX without a voip provider for internet
>>> calls?
>>>
>>> On Wed, Jul 21, 2010 at 6:48 AM, Robert Hoffmann
>>> <[email protected]>wrote:
>>>
>>> > Hi there,
>>> >
>>> > I want to use sipX without a voip provider. It should "just" act as a
>>> > proxy
>>> > that forwards any incoming remote calls (from the internet) to my
>>> locally
>>> > attached phones or acts as an outbound proxy for my phones dialing a
>>> > remote
>>> > SIP URI. I have all the needed NAPTR / SRV etc. records set up for my
>>> > public
>>> > domain, so connecting to sipX should be no problem.
>>> >
>>> > What I am not sure about is if sipX is actually designed to work for
>>> > remote
>>> > calls (in- and outgoing) without trunking? Of course I am just talking
>>> > about
>>> > calling between SIP URIs, no PSTN stuff. I am asking this in advance
>>> > because
>>> > I have not found any references for this scenario with sipX.
>>> >
>>> > - Can I use sipX as a proxy for remote calls (in- and outgoing) without
>>> > using a voip provider?
>>> >
>>> Yes
>>>
>>> > - If yes, can sipX act as a SBC in front to avoid NAT problems with the
>>> > phones behind it (with the appropriate port forwardings applied to my
>>> > router, of course)? Or is this function limited to trunking?
>>> >
>>> No, SBC is for trunking only, sipxrelay is for remote users. A proper
>>> firewall configuration at both ends for remote users is a requirement.
>>>
>>> > - If yes, is that working via the sipxrelay service so that remote
>>> phones
>>> > will have to send their SIP signaling to port 5080 (which is the
>>> standart
>>> > port for sipxrelay) ?
>>> >
>>> No, trunking would be 5080, but since you are not using that it does not
>>> factor rhere. Remotes users resolve (via DNS SRV) to connect via port
>>> 5060.
>>>
>>> > - If SBC functionality is not possible, can I use sipX at least as a
>>> > "dumb"
>>> > proxy in combination with a SIP ALG?
>>> >
>>> Simply activate the SIP trunking role and configure according to the wiki
>>> to
>>> do this and bypass any sip alg's present.
>>>
>>> >
>>> > If anything of the above worked, what would I have to configure in
>>> sipX?
>>> >  Obviously I cannot fill out the Internet Calling form, as there is no
>>> > trunk
>>> > configured for which a SBC could be attached to...
>>> >
>>> By default the built-in sipxbridge sbc will allow this,
>>> YOU_ONLY_FILL_THIS_IN and check it when using ANOTHER_SBC for this
>>> function.
>>>
>>> >
>>> > Thank you in advance for your help and time!
>>> >
>>> >
>>> > BR, Robert
>>> >
>>> > _______________________________________________
>>> > sipx-users mailing list [email protected]
>>> > List Archive: http://list.sipfoundry.org/archive/sipx-users
>>> > Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-users
>>> > sipXecs IP PBX -- http://www.sipfoundry.org/
>>> >
>>>
>>>
>>>
>>> --
>>> ======================
>>> Tony Graziano, Manager
>>> Telephone: 434.984.8430
>>> sip: [email protected]
>>> Fax: 434.984.8431
>>>
>>> Email: [email protected]
>>>
>>> LAN/Telephony/Security and Control Systems Helpdesk:
>>> Telephone: 434.984.8426
>>> sip: [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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>
>
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>
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