From the category archives:

CTI cards

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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3 reasons to upgrade from analog to digital CTI boards

by Uttam Pegu on December 9, 2009

There are many disadvantages of using analog CTI ( Computer Telephony Integration) cards. Apart from that, digital CTI boards offer many advantages over analog CTI boards and I would like to list three main reasons why one should upgrade to digital CTI boards from analog ones.
Even in India, E1 connectivity or PRI lines are [...]

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Problems in Analog CTI boards

by Uttam Pegu on July 15, 2009

I think, analog CTI boards most problematic to configure other than simple incoming or inbound IVR Software. They are dependent on switch or PBX connected to them for many basic IVR functions, call operations. I am trying to list here the problems I had been facing while using analog CTI boards:-
1. Disconnect
2. Dial Tone
3. Dial [...]

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Comparison of Dialogic, Synway and Digium 4 Port CTI Boards

by Uttam Pegu on April 20, 2009

Dialogic needs no introduction, so the Dialogic D4 PCI board. Synway and Digium too have D4 PCI equivalent Voice Boards. While both Digium and Dialogic boards uses PCI slots, Synway 4 Port Board uses a USB port like modem.
I have been thinking about comparing these three boards using few common parameters.
1. Ease of Installation
2. [...]

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How To Choose CTI Board for Voice Portal

by Uttam Pegu on March 30, 2009

High-End digital CTI boards for a voice portal is not cheap! In fact some of them cost as much as a Honda Civic car in India. So, choosing a right CTI Board for your Voice Portal may not be easy, that is until you read this article .
So, how to choose a [...]

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Dialogic D4/PCI CTI Board

by Uttam Pegu on March 18, 2009

Arguably, Dialogic D4/PCI analog card must be the most widely used CTI card in the world! Also, most probably again, all 4 Generation Visual Tools for developing IVR Application supports this Dialogic D4/PCI CTI Card.
This card is easy to install, very feature rich, and has many advanced call processing feature. The most problematic part of [...]

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IVRS and Speech Recognition

by Uttam Pegu on March 14, 2009

Speech recognition in IVRS has become more of a necessity after mobile phones have arrived. POTS ( Plain Old Telephone ) System have telephone instrument with proper keypad along with head-set. Procedure of calling is suitable for pressing DTMF based interaction with IVR System!
You normally lift the headset with left hand, dial pressing keys on [...]

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Configuring Synway and Dialogic SS7 cards

by Uttam Pegu on March 11, 2009

Recently I had successfully configured Synway SHD-240D-CT/PCI ( PDF File). I thought I would share my experience of configuring Synway SS7 card and configuring Dialogic SPC DNI2410 cards.
First, we are very grateful to Synway for giving us the demo card for testing and development our application. The card was given to us for a [...]

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