Nor will the fact that your particular trunking provider is local, so I’m not sure what you seek to accomplish, then.
Owen > On Jul 23, 2015, at 12:24 , Mike Hammett <na...@ics-il.net> wrote: > > I have several Asterisk VMs running in my own facility, but that doesn't > change the fact that a particular provider's media gateway that SIP reinvites > me to is somewhere non-local. > > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > ----- Original Message ----- > > From: "Owen DeLong" <o...@delong.com> > To: "Mike Hammett" <na...@ics-il.net> > Cc: nanog@nanog.org > Sent: Monday, July 20, 2015 8:04:24 AM > Subject: Re: SIP trunking providers > > Why not set up a small Asterisk box in a local datacenter and only trunk out > the non-local calls? > > Owen > >> On Jul 20, 2015, at 03:36 , Mike Hammett <na...@ics-il.net> wrote: >> >> I want the gateway in Chicago as well. >> >> I am Chicago based. The end users are Chicago based. Therefore the >> origination would be coming from a Chicago area gateway. Half of the calls >> (inbound would be guaranteed to be local as they'd be coming in through a >> local tandem anyway. Most of the termination traffic would again be to local >> numbers, therefore would again have to be through local tandems. >> >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions >> http://www.ics-il.com >> >> ----- Original Message ----- >> >> From: "Nathan Anderson" <nath...@fsr.com> >> To: "Mike Hammett" <na...@ics-il.net> >> Cc: nanog@nanog.org >> Sent: Monday, July 20, 2015 4:11:37 AM >> Subject: RE: SIP trunking providers >> >> Maybe I'm missing something here, but what does it matter if the RTP from >> your perspective ends in Chicago or not? If it does end in Chicago, that >> only means they are proxying the audio before sending it on to the actual >> media gateway for that call where it finally drops onto the PSTN. So all >> that happens is that the audio latency remains the same (or worse, because >> of the additional, unnecessary proxy) AND that the actual media gateway >> remains hidden from you. You won't be able to actually test and see the >> latency to the MG, and you will be under the (false) impression that latency >> across all calls is equally "good" because you are only measuring RTT to a >> specific and common media proxy. By sending the audio directly to an MG >> closer to the point of exit from IP-land, it is taking a more direct route >> to the callee than you are seemingly asking for. >> >> If you're not talking about adding a proxy to the equation, are you >> expecting to find a provider in Chicago that immediately goes from IP to >> PSTN within Chicago, regardless of the actual destination of the call? >> Circuit-switched TDM is not a no-latency connection. Physics is involved >> here. The farther apart the caller is from the callee, the more latency >> there will be, regardless of the medium. All other things being equal >> (similar network path, etc.), I doubt IP packet switching significantly >> increases the latency over and above TDM call trunking. But I'm not an >> expert, and again, if I'm missing something here, I would love to be proven >> wrong. >> >> -- >> Nathan Anderson >> First Step Internet, LLC >> nath...@fsr.com >> >> ________________________________________ >> From: NANOG [nanog-boun...@nanog.org] On Behalf Of Mike Hammett >> [na...@ics-il.net] >> Sent: Sunday, July 19, 2015 1:04 PM >> Cc: nanog@nanog.org >> Subject: Re: SIP trunking providers >> >> I too am looking for the Chicago area. Low volume. I'm looking for people >> whose SIP and RTP hit the end of the road in Chicago. Not interested in >> someone whose SIP servers are in LA , but will redirect me to the nearest >> gateway... without telling me where said gateway is. >> >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions >> http://www.ics-il.com >> >> ----- Original Message ----- >> >> From: "Rafael Possamai" <raf...@gav.ufsc.br> >> To: nanog@nanog.org >> Sent: Friday, June 19, 2015 4:40:48 PM >> Subject: SIP trunking providers >> >> Would anyone in the list be able to recommend a SIP trunk provider in the >> Chicago area? Not a VoIP expert, so just looking for someone with previous >> experience. >> >> >> Thanks, >> Rafael >> >> >
