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Quintum A800 NAT

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  • #29650 Reply
    Berke Karadeniz

    Hi All,

    I configured Quintum A800 behind ADSL modem which has a “static” Public IP .

    Also I did all the port forwards necessary for h323 and quintum to work correctly as written in HTML version of the Quintum PDF at the URL address : .

    It is not working . The call is not going to the gatekeeper it must be registered to . And Quintum gives error :

    59516:h323[0]: h323mgr:newCallCH : 59517:h323[5/0]: tcall:newCall failed

    I dont see it reach my GK though . What may the error be ?

    #29651 Reply

    You also need to enter the external I.P. address on the quintum, that way the quintum will send the public I.P. address as a “return address” pn the h323 packets.

    Like this :

    config# print

    Unit: 1
    IP Address =
    External IP Address = 67.10.xx.xx
    Name = cypress

    Online = 1
    Relay ResetTime = 240
    Relay Reset Number = 2

    If you pull a log of a call, you will be able to see the addresss translation done by the quintum.

    ev +ch

    CH : 85633971:h323[443]: tcall:stackSendSetup, media type=16
    CH : 85633972:udp connect: 1 11
    CH : 85633972: c0a80350 10240 0 0
    CH : 85633972:H323TermCall: relaying calling party # = 1281xxxxxxx.
    CH : 85633972:h323[0]: h323mgr:newCall
    CH : 85633974:[1: 1] received message from cas: InbandSigDone
    CH : 85633978:[443/0]: Trying Route to

    CH : 85633978:Translating> for
    CH : 85633978:Translating> for
    CH : 85633978:Translating> for
    CH : 85633978:Translating> for

    If you have a “h323 friendly” router, like the linksys series, you may be surprised that you do not need to forward ports for outgoing calls, the router will let yo do outgoing calls .

    But for incoming calls you need the port forwarding or put the quintum on the DMZ zone.

    Best luck!!!

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Reply To: Quintum A800 NAT
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