[Asterisk-Users] Wierd Problem

[Voicomm User]

On 8/30/05, Gulzar Hussain <gulzar10 at yahoo.com> wrote:
> 
> When I call from 1 RTC Client to another without
> Asterisk everything use to be fine but when asterisk
> is there as a Registrar a problem use to occur in more
> than 90% calls, Caller can hear the voice of the
> receiving side
> but the receiver cant be able to hear the caller for
> exactly 12 seconds, conversation will become two
> way after 12 seconds.
> 
> My Scenario
> 
> Lucent Max TNT -> Asterisk -> RTC Client API


Do you have Network Address Translation happening somewhere inbetween 
(router)?

Sounds like RTP port mapping issue to me. NAT device seems to learn about 
rtp ports slowly. In anycase more information is needed to debug further. DO 
you have any protocol trace (capture etc)?


-r
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