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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