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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