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    VOIP Vs VPN

    IT Discussion
    voip pbx telephony vpn security
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    • scottalanmillerS
      scottalanmiller
      last edited by

      That is a very tiny network connection. With only .5MB you will almost certainly have issues.

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      • scottalanmillerS
        scottalanmiller
        last edited by

        What codec are you using!

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        • IT-ADMINI
          IT-ADMIN
          last edited by

          hiiiiiiiiiiiiiiiii Mr Scott, how are you doing

          first of all, the available audio codec that i have in my PBX system is:
          PCMA (8)
          PCMU (0)
          telephone-event (101)
          iLBC (98)
          G722 (9)
          GSM (3)
          SPEEX (97)
          SPEEX (100)
          SPEEX (108)
          L16 (103)
          L16 (11)
          L16 (10)
          G728 (15)
          G723 (4)
          G726-16 (104)
          G726-24 (105)
          G726-32 (106)
          G726-40 (107)

          i select only 3 : PCMA (8) + PCMU (0) + GSM(3)

          best regard

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          • IT-ADMINI
            IT-ADMIN
            last edited by

            i tried to select only GSM(3) since it is compatible with low bandwith but the call cannot be established, so i selected the additional 2 codec

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            • scottalanmillerS
              scottalanmiller
              last edited by

              Try g.723 and make it preferred so that that is tried first.

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              • IT-ADMINI
                IT-ADMIN
                last edited by

                unfortunatlly i don't have this option of preference,
                which are the other codec that i have to select with this codec, can i select it only or other additional codec has to be selected alongside ???

                thanks

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                • scottalanmillerS
                  scottalanmiller
                  last edited by

                  You can enforce a codec by removing all others.

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                  • IT-ADMINI
                    IT-ADMIN
                    last edited by

                    aaah you mean i select only one codec (g.723)
                    ok i got it
                    thanks

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                    • scottalanmillerS
                      scottalanmiller
                      last edited by

                      Yes. That's not ideal but should work fine, at least for testing.

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                      • scottalanmillerS
                        scottalanmiller
                        last edited by

                        I have had good luck with iLBC as well.

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                        • IT-ADMINI
                          IT-ADMIN
                          last edited by

                          great, is there any other thing that affect QOS ?? separating voice and data (VLANs) maybe a good idea (hhhhhh i know that you hate VLANs) i'm joking Mr scott

                          have a great day Sir

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                          • scottalanmillerS
                            scottalanmiller
                            last edited by

                            QoS on the WAN links is definitely a big deal.

                            IT-ADMINI 1 Reply Last reply Reply Quote 1
                            • IT-ADMINI
                              IT-ADMIN @scottalanmiller
                              last edited by

                              @scottalanmiller

                              but i have no control over the wan traffic, after the packets come out from the wan interface i can't control it !!!

                              scottalanmillerS 1 Reply Last reply Reply Quote 0
                              • scottalanmillerS
                                scottalanmiller @IT-ADMIN
                                last edited by

                                @IT-ADMIN said:

                                @scottalanmiller

                                but i have no control over the wan traffic, after the packets come out from the wan interface i can't control it !!!

                                But you control them before they go out and that is 99% of the battle.

                                You can't control bullets after they leave a barrel but the order that you send them out pretty much guarantees the order in which they arrive.

                                The traffic that you have to worry about is your own and you control that.

                                IT-ADMINI 1 Reply Last reply Reply Quote 0
                                • IT-ADMINI
                                  IT-ADMIN @scottalanmiller
                                  last edited by

                                  @scottalanmiller

                                  Yeah Sir you are right, i think that my firewall pfSense can do that because by way of it i can make queues, traffic priority, QOS, by way of these tools i think i can ensure that real time traffic have the highest priority than other type of traffic,

                                  see you Mr Scott,,,,,,thank you

                                  scottalanmillerS 1 Reply Last reply Reply Quote 0
                                  • scottalanmillerS
                                    scottalanmiller @IT-ADMIN
                                    last edited by

                                    @IT-ADMIN said:

                                    @scottalanmiller

                                    Yeah Sir you are right, i think that my firewall pfSense can do that because by way of it i can make queues, traffic priority, QOS, by way of these tools i think i can ensure that real time traffic have the highest priority than other type of traffic,

                                    see you Mr Scott,,,,,,thank you

                                    Yes, pfSense can do that. @mike-ralston installed pfSense in the NTG Labs just yesterday too.

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                                    • JaredBuschJ
                                      JaredBusch
                                      last edited by

                                      @it-admin I've used pfSense at home for a long time and never had any problems with it. I recently switched to an Ubiquiti EdgeMax Lite at home and that runs on aversion of Vyatta

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                                      • scottalanmillerS
                                        scottalanmiller
                                        last edited by

                                        Vyatta is pretty impressive.

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                                        • IT-ADMINI
                                          IT-ADMIN
                                          last edited by

                                          thank you guys for your input

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

                                            Good luck! 🙂

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