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IVR Menu System

by Uttam Pegu on February 2, 2010

Like any other computer software, IVR too work inputs of responses provided by the user. Though, a computer application software has widely used input devices like keyboard, mouse, voice, even hand movement, IVR applications have limited, only two types of inputs or responses. One is telephone keypad which has 12 keys and automatic speech recognition! [...]

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Detecting Caller ID on Dialogic D4/PCI Analog card

by Uttam Pegu on January 23, 2010

I keep getting mails by various people about detecting caller id using D4PCI and Dialogic API. I remember I too had to try hard once and finally contacted Dialogic support for getting ideas how caller ID could be detected using D4/PCI analog CTI board from Dialogic. I think the same procedure should work for Donjin [...]

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IVR Survey : Interesting IVR application

by Uttam Pegu on January 16, 2010

Telephonic survey has been quite common now a days and many people may have been called up by representatives from various companies where they try to collect information, feedback, opinion about their products or services. Here, a caller will have a set of questions which she asks the person who answers the call about the [...]

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How to use IVR as E-com portal

by Uttam Pegu on November 16, 2009

I have posted one article how IVR can be used to generate revenue, mainly from caller paying to use the IVR services through a voice portal in collaboration with a telecom operator. No doubt, it is a lucrative Voice VAS(Value Added Service) for many M-VAS companies as well as telecom operators, but there are other [...]

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Automatic Speech Recognition in voice portal

by Uttam Pegu on November 9, 2009

What is speech recognition or automatic speech recognition ? Automatic speech recognition can be defined as a process by which spoken words are converted to text. Many people may confuse with voice recognition as speech recognition. Voice recognition is recognising the speaker of the voice, while automatic speech recognition recognise the words spoken. While speech [...]

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Implementing simple Voice Mail System using analog CTI board

by Uttam Pegu on November 2, 2009

Implementing traditional voice mail using analog CTI boards is quite tricky. If the switch of EPABX does not support certain features, than it is almost impossible to implement traditional voice mail system with traditional operation. The major issue is finding out information of caller ID. In a traditional voice mail system as I explained in [...]

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Playing WAV File in Dialogic Boards

by Uttam Pegu on April 15, 2009

Dialogic boards can play VOX files as well as WAV files. While many people use dx_playwav() function of Dialogic API to play WAV files, dx_playiottdata() function can also be used to play WAV files as shown in the code snippet below. While the most famous dialogic sample demo application does not play any audio file, [...]

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DTMF and Pulse Dialing

by Uttam Pegu on February 26, 2009

I had promised before that I would write about DTMF and pulse dialing in future. Finally I have decided to write about them! This article may be ignored by IVR professionals as they must be quite bored with these two terminologies! But many users who have to listen to announcements like “If you are in [...]

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