Scan carrier to Verify Cellular numbers if Active

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Project Budget
$30 - $250 USD
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Project Description

Need to verify if a range of cellular numbers if they are active or inactive. Active cell numbers will be used to send SMS/TEXT messages, via a bulk mailer we already have.

I need a program that will call all cell numbers within a range, let it ring only once. If it rings, then this number is a valid existing number. If it gets a busy ring, this too is a valid number. If any other returned or confirmation that indicates this cell is not in use, then this cell is INVALID.
Only one of the following conditions should occur:
1. Ringing only = Active
2. Ringing and answered=Active
3. No ring=INACTIVE
4. No Ring, but operator answered=INACTIVE

Range example: From [url removed, login to view] to 594.9999.

Also, the caller ID must be hidden. I do not want this MISSED call to be identified.

The result is to report all VALID, INVALID or none existence numbers.

Possible Tracking mechanism:
Perhaps, the readings of the “AT commands” of the USB/PCI modem with a GSM SIMM chip will give you the best results with the computer running the script. The AT commands tracks every step of the process
To be run on a Windows 7 PC

I have 2 GSM WaveCom USB modems for this project.
AT Command User manual: [url removed, login to view]

Let me know if your firm can do this or if you have an alternative solution

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