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    The First Rule of VoIP

    IT Discussion
    pbx voip scott alan miller jared busch sip aix telephony isp sip trunk
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    • scottalanmillerS
      scottalanmiller
      last edited by

      There is a myth that guaranteed call quality requires you to use your ISP (there is another option) and another that guaranteed call quality is of general importance (it is not) but these are not the point here. But they are common enough myths that it is worth noting that they have not been ignored.

      NashBrydgesN 1 Reply Last reply Reply Quote 0
      • NashBrydgesN
        NashBrydges @scottalanmiller
        last edited by

        @scottalanmiller Out of curiosity, how can call quality be guaranteed at all? Once your call reaches the open internet, there isn't anything the ISP can do to control anything downstream. That's always been something I could never wrap my head around as I always see this as an impossibility (for any calls that go over the public internet anyway).

        scottalanmillerS 1 Reply Last reply Reply Quote 0
        • scottalanmillerS
          scottalanmiller @NashBrydges
          last edited by

          @NashBrydges said in The First Rule of VoIP:

          @scottalanmiller Out of curiosity, how can call quality be guaranteed at all? Once your call reaches the open internet, there isn't anything the ISP can do to control anything downstream.

          Using the ISP or a dedicated link means that the call never hits the open internet at all, that's the difference. Which is handy for call quality, but takes out that whole "calls over the Internet" advantage.

          NashBrydgesN 1 Reply Last reply Reply Quote 1
          • NashBrydgesN
            NashBrydges @scottalanmiller
            last edited by

            @scottalanmiller Right. That makes sense.

            scottalanmillerS 1 Reply Last reply Reply Quote 0
            • scottalanmillerS
              scottalanmiller @NashBrydges
              last edited by

              @NashBrydges said in The First Rule of VoIP:

              @scottalanmiller Right. That makes sense.

              But the reality is, the Internet doesn't have call quality issues. Not realistically. Your WAN link is always where there are issues. The open Internet is so fast and vast, yes latency can hit you there, but it's not where people actually get issues.

              DashrenderD 1 Reply Last reply Reply Quote 1
              • DashrenderD
                Dashrender @scottalanmiller
                last edited by

                @scottalanmiller said in The First Rule of VoIP:

                @NashBrydges said in The First Rule of VoIP:

                @scottalanmiller Right. That makes sense.

                But the reality is, the Internet doesn't have call quality issues. Not realistically. Your WAN link is always where there are issues. The open Internet is so fast and vast, yes latency can hit you there, but it's not where people actually get issues.

                Exactly - and that WAN link is the piece that I'm always personally concerned about - and to which Scott will say - if you are that worried, then you should have a second ISP delivering you service.

                scottalanmillerS 2 Replies Last reply Reply Quote 0
                • scottalanmillerS
                  scottalanmiller @Dashrender
                  last edited by

                  @Dashrender said in The First Rule of VoIP:

                  @scottalanmiller said in The First Rule of VoIP:

                  @NashBrydges said in The First Rule of VoIP:

                  @scottalanmiller Right. That makes sense.

                  But the reality is, the Internet doesn't have call quality issues. Not realistically. Your WAN link is always where there are issues. The open Internet is so fast and vast, yes latency can hit you there, but it's not where people actually get issues.

                  Exactly - and that WAN link is the piece that I'm always personally concerned about - and to which Scott will say - if you are that worried, then you should have a second ISP delivering you service.

                  That's the brute force method. QoS and a bigger pipe normally work as well, if you are really saturating it. And the second pipe approach works almost always BECAUSE the Internet itself is not a bottleneck.

                  DashrenderD 1 Reply Last reply Reply Quote 1
                  • DashrenderD
                    Dashrender @scottalanmiller
                    last edited by

                    @scottalanmiller said in The First Rule of VoIP:

                    @Dashrender said in The First Rule of VoIP:

                    @scottalanmiller said in The First Rule of VoIP:

                    @NashBrydges said in The First Rule of VoIP:

                    @scottalanmiller Right. That makes sense.

                    But the reality is, the Internet doesn't have call quality issues. Not realistically. Your WAN link is always where there are issues. The open Internet is so fast and vast, yes latency can hit you there, but it's not where people actually get issues.

                    Exactly - and that WAN link is the piece that I'm always personally concerned about - and to which Scott will say - if you are that worried, then you should have a second ISP delivering you service.

                    That's the brute force method. QoS and a bigger pipe normally work as well, if you are really saturating it. And the second pipe approach works almost always BECAUSE the Internet itself is not a bottleneck.

                    Well I was more talking about the main link being down for whatever reason.

                    I've had cable internet at locations where 1+ hrs a month outage would be normal. Luckily that hasn't been the case for 4+ years.

                    JaredBuschJ 1 Reply Last reply Reply Quote 0
                    • JaredBuschJ
                      JaredBusch @Dashrender
                      last edited by

                      @Dashrender said in The First Rule of VoIP:

                      @scottalanmiller said in The First Rule of VoIP:

                      @Dashrender said in The First Rule of VoIP:

                      @scottalanmiller said in The First Rule of VoIP:

                      @NashBrydges said in The First Rule of VoIP:

                      @scottalanmiller Right. That makes sense.

                      But the reality is, the Internet doesn't have call quality issues. Not realistically. Your WAN link is always where there are issues. The open Internet is so fast and vast, yes latency can hit you there, but it's not where people actually get issues.

                      Exactly - and that WAN link is the piece that I'm always personally concerned about - and to which Scott will say - if you are that worried, then you should have a second ISP delivering you service.

                      That's the brute force method. QoS and a bigger pipe normally work as well, if you are really saturating it. And the second pipe approach works almost always BECAUSE the Internet itself is not a bottleneck.

                      Well I was more talking about the main link being down for whatever reason.

                      I've had cable internet at locations where 1+ hrs a month outage would be normal. Luckily that hasn't been the case for 4+ years.

                      That may not be the problem, but we can all point to your posts about your shitty phone service which was bought through your ISP and has had multiple, hours long, outages.

                      DashrenderD 1 Reply Last reply Reply Quote 0
                      • DashrenderD
                        Dashrender @JaredBusch
                        last edited by

                        @JaredBusch said in The First Rule of VoIP:

                        @Dashrender said in The First Rule of VoIP:

                        @scottalanmiller said in The First Rule of VoIP:

                        @Dashrender said in The First Rule of VoIP:

                        @scottalanmiller said in The First Rule of VoIP:

                        @NashBrydges said in The First Rule of VoIP:

                        @scottalanmiller Right. That makes sense.

                        But the reality is, the Internet doesn't have call quality issues. Not realistically. Your WAN link is always where there are issues. The open Internet is so fast and vast, yes latency can hit you there, but it's not where people actually get issues.

                        Exactly - and that WAN link is the piece that I'm always personally concerned about - and to which Scott will say - if you are that worried, then you should have a second ISP delivering you service.

                        That's the brute force method. QoS and a bigger pipe normally work as well, if you are really saturating it. And the second pipe approach works almost always BECAUSE the Internet itself is not a bottleneck.

                        Well I was more talking about the main link being down for whatever reason.

                        I've had cable internet at locations where 1+ hrs a month outage would be normal. Luckily that hasn't been the case for 4+ years.

                        That may not be the problem, but we can all point to your posts about your shitty phone service which was bought through your ISP and has had multiple, hours long, outages.

                        Hey I'm not defending my setup - you know that decision was NOT made by me!

                        JaredBuschJ 1 Reply Last reply Reply Quote 0
                        • JaredBuschJ
                          JaredBusch @Dashrender
                          last edited by

                          @Dashrender said in The First Rule of VoIP:

                          @JaredBusch said in The First Rule of VoIP:

                          @Dashrender said in The First Rule of VoIP:

                          @scottalanmiller said in The First Rule of VoIP:

                          @Dashrender said in The First Rule of VoIP:

                          @scottalanmiller said in The First Rule of VoIP:

                          @NashBrydges said in The First Rule of VoIP:

                          @scottalanmiller Right. That makes sense.

                          But the reality is, the Internet doesn't have call quality issues. Not realistically. Your WAN link is always where there are issues. The open Internet is so fast and vast, yes latency can hit you there, but it's not where people actually get issues.

                          Exactly - and that WAN link is the piece that I'm always personally concerned about - and to which Scott will say - if you are that worried, then you should have a second ISP delivering you service.

                          That's the brute force method. QoS and a bigger pipe normally work as well, if you are really saturating it. And the second pipe approach works almost always BECAUSE the Internet itself is not a bottleneck.

                          Well I was more talking about the main link being down for whatever reason.

                          I've had cable internet at locations where 1+ hrs a month outage would be normal. Luckily that hasn't been the case for 4+ years.

                          That may not be the problem, but we can all point to your posts about your shitty phone service which was bought through your ISP and has had multiple, hours long, outages.

                          Hey I'm not defending my setup - you know that decision was NOT made by me!

                          True. I should have said your employer's shitty phone service.

                          1 Reply Last reply Reply Quote 1
                          • scottalanmillerS
                            scottalanmiller @Dashrender
                            last edited by

                            @Dashrender said in The First Rule of VoIP:

                            @scottalanmiller said in The First Rule of VoIP:

                            @NashBrydges said in The First Rule of VoIP:

                            @scottalanmiller Right. That makes sense.

                            But the reality is, the Internet doesn't have call quality issues. Not realistically. Your WAN link is always where there are issues. The open Internet is so fast and vast, yes latency can hit you there, but it's not where people actually get issues.

                            Exactly - and that WAN link is the piece that I'm always personally concerned about - and to which Scott will say - if you are that worried, then you should have a second ISP delivering you service.

                            Which you can't do if your phone service is tied to your ISP! So that is one of the biggest deals is that you give up ISP redundancy.

                            1 Reply Last reply Reply Quote 0
                            • bigbearB
                              bigbear
                              last edited by

                              @scottalanmiller is right. The bottleneck is always the customer router. And not so much bandwidth as much as packets per second. Your dropbox sync is killing your phone calls 50 to 1 over bandwidth 99% of the time. Your $50 linksys router can't handle a million pps.

                              Most ISP's are little more than Broadsoft resellers with no interconnects in their local market. Even on the WISP side speeds are so good now that bundling voice isn't relevant.

                              1 Reply Last reply Reply Quote 2
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