Unmask blocked calls with 3G


We are looking for someone who can develop a system that can unmask caller id of blocked calls, for better understanding of what we want, we will try to give you a pratical example.

Our goal is to have a system that can do the following:

A (cellphone or landline) calls B (another phone user) with blocked caller id, B rejects or receive the call and it will be forwarded to an asterisk box (or something like TrapCall App) that can be capable to show the hidden number of A and send an SMS to number of A with details of B(Number phone).

Please bid only if you can complete this project.

Skills: Asterisk PBX, VoIP

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Project ID: #4946618

6 freelancers are bidding on average $734 for this job


Hi We can do this for you . we already have done project like www.trapcall.com . Please check pmb for details

$1333 USD in 3 days
(17 Reviews)

We alredy done similar syste, before. Please notice that it can be done ONLY if provider sends information about callerid in any field on SIP headers. You can't get it in any other way, there is no hacking for this, W More

$526 USD in 5 days
(4 Reviews)

Hi, I have done project something similar using asterisk .. I can do this quickly and smoothly

$650 USD in 3 days
(1 Review)

I have completed a similar project that was used for identifying job recruiters that had a lot of success. Would be happy to discuss it with you.

$444 USD in 3 days
(0 Reviews)

Hello, We have Experienced Professionals with 12 years of Web Development & Designing, Application Development, Desktop Application, ERP Software, Android App. Development. I-phone Development expertise. We have worked More

$750 USD in 14 days
(0 Reviews)

Hello! Extensive experience working with templates for Asterisk.

$700 USD in 7 days
(0 Reviews)