There are several online solutions to find out if a phone number exists, however most of the time the results are false or partially correct, especially in my case where the phone numbers concerned are France and a little Belgium.
I have done some research and it seems that it is quite complex depending on the operators to know if a number is assigned or not, however for me it is of great interest because I do not want to send SMS to numbers that do not do not exist, it represents a blow far too important.
Idea : Use Twilio and python, make a call to detect if it's ringing or if it's falling on the answering machine directly or if it's the machine who said "This number is not assigned".
The call could only last a few seconds to limit the loss of credit and it should be optimized so that it is done quickly (for example several calls and several numbers ... etc).
It's quite simple, everything is explained and I had the opportunity to do a test myself and get a result : [login to view URL]
If bip is detect by human: [login to view URL]
If bip is detect by machine: [login to view URL]
If answering fax/unknown : [login to view URL]
Mobile operator is provided by Twilio (see [login to view URL]).
I would like the call to cost as little as possible but still be very efficient for a large number list.
The maximum idea price for each detection call: 3 cents. If it's possible less then perfect.
At the end I would like a little tutorial which explains how to configure it with the useful parameters (wait delay ... etc).
17 freelances font une offre moyenne de 546 € pour ce travail
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***Twilio detection Answering Machine (Python)*** Greetings! Sure, I can help you out with building a Twilio detection Answering Machine using Python. We can discuss over chat for better understanding also I can shar Plus
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My first project on this platform is machine detection. I can do using asterisk+sip and Java as a backend language. Why choose me? • 5 year plus professional experience in VoIP and Custom Asterisks solutions deve Plus
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We checked your requirements and can provide you complete work as per your need WITH DEMO FIRST ] i can provide you complete Twillio detection answering machine solution Project Execution Step: 1) We will submit yo Plus