Apache Voice Modem Serial Wave Device Driver
The Wave Device allows a voice modem to send and receive audio to the sound card via the system bus (no Additionally, the modem name (device %g: Apache. Microsoft Internal Apache Voice Modem Serial Wave Device driver. Microsoft Modem Drivers. This site maintains listings of modem drivers. Apache Cyberpower 56K bps External Voice (CPe56SP-C) Modem drivers updated daily. Download Apache A56SP-RS Voice Modem Serial Wave Device.
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Apache Voice Modem Serial Wave Device Driver
Wave Device for Voice Modem
The layout of the structures contains variable as well as fixed data. This allows the API set to contain information of indeterminate length without prior knowledge of the contents of the structure. Most Windows APIs are primarily concerned with what Apache Voice Modem Serial Wave Device on inside your computer, but TAPI is designed to interface with external, noncomputer devices that can be highly dissimilar and unpredictable.
Here, we will deal with basic telephony as well as with simple hardware and software: I will describe them in the forthcoming sections. Modems A modem MOdulator DEModulator is a device that enables a computer to transmit data over telephone or Apache Voice Modem Serial Wave Device lines.
As computer information is stored digitally, whereas information transmitted over Apache Voice Modem Serial Wave Device telephone line is analog, a modem converts between the two forms. Traditionally, they are connected to a serial port. They may be internal or external A voice modem is a modem that is capable of playing and recording audio over a telephone line.
While almost all modems are capable of doing data and fax, a growing number have voice capabilities.
Modern voice Apache Voice Modem Serial Wave Device are powerful telephony devices capable of advanced features like voice interaction, call transfers, and outbound dialing. For most users, a high quality voice modem and advanced telephony software will allow them to create a professional communications solution. It translates TAPI functions into commands that the hardware can understand, and translates events from the hardware into data that the TAPI application can understand.
Audio devices or Wave Devices for the voice modem are usually provided by the manufacturer.
Unimodem is the default TSP used by Windows. Unimodem comes in a few different flavors: Unimodem - used by Windows 95 initial release and NT4.
This TSP is data only, voice is not supported. This is a data and voice TSP.
This is a system wide restriction, i. Modems driven by Unimodem.
Modem Programs - (Free) download library (Page 30)
How it works In terms of the process involved, working with telephony is similar to working with many other computer technologies, including multimedia. First you must establish a connection with the hardware through its driver s. You accomplish this task by initializing TAPI.
During this process, the capabilities of each line device is scrutinized and the selection of the modem is performed. Each such revision has been given a version number. The available line devices have been enumerated and the modem selected as the active line device.
We now need to figure out how to handle the messages. Later when the operation is completed, the application is notified.
Microsoft Internal Apache Voice Modem Serial Wave Device Modem Driver
First of all, the good news is that you can leave the callback function empty in case you do not intend to use any TAPI handles during session lifetime. This function is declared as follows and must be a procedure that is external to any class: More interesting parameters are the dwParam s parameters. They describe the fired message and its specific data.
Additionally, the callback function must be a global procedure, not a class member method. Types of messages All of these messages are sent to the application through the message notification mechanism that the application specified in lineInitializeEx.
The message always contains a handle to the relevant telephony object phone, line, or callwhich the application can use to determine the message type. The structure of the messages presented hereunder follows very closely the structure used in the TapiCallback method presented above. Line related messages In the type of line related messages, hDevice contains a handle to the line.
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- What is TAPI?
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Because the message includes the new call handle and the line handle of the line on which the call exists, the application can readily create a new call object in the correct context.