Re: Voice testing equipment
- From: "Andreas Marschall [MVP TAPI]" <Andreas.Marschall@xxxxxxxxxx>
- Date: Sat, 13 Aug 2005 13:16:59 +0200
<v_mirgorodsky@xxxxxxxxx> schrieb im Newsbeitrag
news:1123927292.457400.239090@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> I have a two-channel telephony adapter installed in my computer. I have
> both channels connected to office switching equipment - mini
> telephone station. I created a small application, dialing number on the
> first line and trying to receive incoming call on the second line.
>
> Everything goes fine with the receiving line. It senses the call,
> receives LINECALLSTATE_OFFERING and then LINECALLSTATE_CONNECTED
> messages. The very strange things happen to originating line. It
> receives LINECALLSTATE_DIALING and later LINECALLSTATE_PROCEEDING
> messages, but nothing more. This way line originating call does not
> receive LINECALLSTATE_CONNECTED message, so my application returns
> permanent error. Later I invented a little hack, as soon as I get
> CONNECTED message on answering line I start sending DTMF tones into
> line and calling party eventually gets CONNECTED message as well, but
> this hack does not work very reliable.
>
> The problem is not observed if I call any human operated telephone. As
> soon as I pick-up the receiver, originating line gets the CONNECTED
> message.
Vladimir,
what device / TSP are you using?
What OS/SP are you using?
Can you reproduce the issue with TAPI Browser TB20 ?
Please post a TB20.log and enable Options/LogParameters and /ShowTimeStamps in
TB20.
See my TAPI and TSPI FAQ:
Q: Where can I download TAPI Browser ?
http://www.i-b-a-m.de/Andreas_Marschall's_TAPI_and_TSPI_FAQ.htm#_Q:_Where_can
Q: Is there a user guide available for TAPI Browser TB20 ?
http://www.i-b-a-m.de/Andreas_Marschall's_TAPI_and_TSPI_FAQ.htm#_Q:_Is_there_1
--
Best Regards
Andreas Marschall
Microsoft MVP for TAPI / Windows SDK
TAPI / TSP Developer and Tester
http://www.I-B-A-M.de/Andreas_Marschall's_TAPI_and_TSPI_FAQ.htm
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