Applicable only to card types Intel and IntelHMP.
The Dial control is able to perform call progress analysis (answering machine detection, fax tones, positive voice detection) in connected state. This is useful in the case the call is answered by a PBX which is then calling an extension and provides in-band information. If any digits needed to be dialed before the tone analysis, an unsupervised dial control could be used.
To use this mode, in connected state, a supervised dial with a null string as number to dial should be used (dial "S"). The control must have either answering machine detection or fax detection enabled. The duration of call progress is determined by the NoAnswer property of the Dial control. The maximum time used for answering machine detection could be customized using DetectAnswerTime; INI setting.
Use of the Dial control is shown in these examples:
You can also access the full demonstration in the Examples subdirectory of the VBVoice install directory.
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