![]() ![]() If you have an old Win XP installation at hand you can use its Dialer application (TAPI3 based) to make voice calls (if supported by the device and driver via TAPI). You may want to try 1st if the voice support is actually available via TAPI- and maybe not only directly via specific AT commands etc. This usually happens when the modem isn't properly installed as voice modem (from TAPI's perspective) but only recognized as data modem. The "lift receiver and click talk" message box is created by MS UniModem TSP. Or you can try to monitor the communication via USB / COM port while using the bundled utility software. You may want to contact the manufacturer directly on this if they are not specified in the manual. With voice/modem specific AT commands I can't help unfortunately. The call even does not succeed to reach the other end (destination number.) When using atd command with realterm the call reaches the destination but with 'at' commands I don't know how to establish voice channel. > What the output program does is that it creates a dialog and says "lift receiver and click talk" and it disappears in 2 seconds and terminates. I need help/advice/guideline how to build an application for making voice calls and answer (so that also voice works fine) using TAPI or alternative approach that works with thess types of devices (GSM Modems). ![]() What the output program does is that it creates a dialog and says "lift receiver and click talk" and it disappears in 2 seconds and terminates. Create the required terminals for this call. If ( hr != S_OK ) process the error here. If ( bstrAddressToCall = NULL ) process the error here. The code I have written may be worst as I am novice but, I need to know whether approach is correct. Using the enumerated address I performed a CreateCall. ![]() I have found that the modem is using COM11 port and by enumerating addresses I found that this USB device supports TAPIMEDIATYPE_AUDIO and TAPIMEDIATYPE_DATAMODEM. ![]() I've gone through TAPI Quick Start Guide. I want to build a TAPI application to make GSM calls using this modem. Call option in prolink's software is shown in this image. From the user interface of it's bundled utility software I can make calls and receive calls. I am experimenting with a USB GSM Modem (Prolink phs300) which has GSM voice call support. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |