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7.4

Recording a call via a winmodem using PHP on Fedora 3

Asked by Adesso21 in Linux Programming

Tags: call, fedora

Greetings from Africa

I recently got the task of writing a dialer/ recorder for a callcentre system that records calls made and saves the output in MP3 format on a server. The company got a half baked solution from a local developer that has many bugs and is not able to solve or improve his solution. Since the code has been encrypted using Zend Optimizer it is impossible for me to actually see the components used. What I do know is that it makes use of PHP, Apache and a driver provided by linuxent

I have started writing a similar interface using PHP and Apache and after some initial problem with permission I managed to get the modem to respond to a normal fopen/fwrite command. The modem dials OK and I am sure with more development I would be able to implement a OOP driven solution for dialing.

The part that I can not figure out is the recording bit. I don't even know where to start.... What I have noticed is that the current solution uses some modprobe for a sound_slot_0 and some Fax software... but this has proved to be no help so far.

Is there anybody out there that knows how I could read from a modem voice device, or port the output of the voice to a normal dsp device so I can write the recording to file.

The modem in question is a Connexant HsFi , chipset CX11252-11.
the server runs PHP 5 with Apache 2 on Fedora Core 3 with the latest 2.6.10-1 kernel

 
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About this solution

Zone: Linux Programming
Tags: call, fedora
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Solution Provided By: PAQ_Man
Participating Experts: 4
Solution Grade: A
 
 
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