Re: Is it possible for Dialogic to be half duplex only?

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Thank you ,Will.
According to that site all Dialogic using TAPI drivers are half duplex.
Suprise, suprise! I never expected that.
Jack
"William DePalo [MVP VC++]" <willd.no.spam@xxxxxxxx> wrote in message
news:eToCF2qVFHA.2740@xxxxxxxxxxxxxxxxxxxxxxx
> "Jack" <replyto@newsgroup> wrote in message
> news:u1tzMsqVFHA.3184@xxxxxxxxxxxxxxxxxxxxxxx
>>I do not know the model number, but that card has 4 channels and the CAPS
>>return for the line is:
>> D41MT.TSP: Dialogic D41 Service Provider--Analog Line 2(dxxxB1C2)
>
> Matthias Moetje who often posts here has compiled this hardware
> comparison:
>
> http://www.terasens.com/products/teravoice/hardware.aspx
>
> According to it, some Dialogic cards are fully duplexed and some are not.
> You will need to know which you have.
>
>> If Dialogic cards are full duplex (as I suspect), what can be the reason
>> that that card will not allow to open waveIn and waveOut simultaneously?
>> Your thoughts please.
>
> You shouldn't have to guess. What failure code does the open operation
> return? MMSYSERR_ALLOCATED is often returned when one tries to use a
> half-duplex device in a fully-deuplexed manner.
>
> Regards,
> Will
>
>


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Relevant Pages

  • Re: Is it possible for Dialogic to be half duplex only?
    ... > According to that site all Dialogic using TAPI drivers are half duplex. ... > Suprise, suprise! ... some Dialogic cards are fully duplexed and some are not. ... >>> that that card will not allow to open waveIn and waveOut simultaneously? ...
    (microsoft.public.win32.programmer.mmedia)
  • Re: Issues with Dialgic D/21H
    ... To do full duplex on Dialogic cards you need hardware that supports CSP ... Look to the newer JCT series of cards like D41JCTLS to support CSP features. ...
    (microsoft.public.win32.programmer.tapi)