voip huge calls in bulk

hi, we have 100 million uk mobile phone numbers. needing to check if these are active or not. To do this we need voip account. we call the numbers for under 1 sec. if no tone, number is not active. anything else the number is active.

Need VOIP expert for this asap and should have done this type of thing before. do not want to be charged for the 1 sec calls. and i guess we will need many different voip accounts ??


Kemahiran: MySQL, PHP, Kejuruteraan Perisian, Kejuruteraan Telekomunikasi, VoIP

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Tentang Majikan:
( 15 ulasan ) mans, United Kingdom

ID Projek: #4035830

7 pekerja bebas membida secara purata $306 untuk pekerjaan ini


Hi, All you need to provide me database/CSV/XL file with/without outbound trunk(voip provider). Discuss in detail from your inbox. Thanks.

$400 USD dalam 2 hari
(29 Ulasan)

I am a United States based programmer with over 10 years of professional programming experience and extensive focus on VoIP. I am confident I can complete this project to your satisfaction and in a timely manner.

$250 USD dalam 5 hari
(1 Ulasan)

Web / small applications developer with 14 years experience, including specific VOIP API-based / SOAP applications (see PM for sample)

$250 USD dalam 5 hari
(0 Ulasan)

Hi I can offer you a script, this will do the next task: * Call to numbers in progresive mode * Check the status ...If there's a RingBak event then save the result in a database with active flag. Regards

$300 USD dalam 2 hari
(1 Ulasan)

Hi , Check PMB

$500 USD dalam 5 hari
(0 Ulasan)

We are telecom and Voip experts.

$300 USD dalam 7 hari
(0 Ulasan)

We are freelance software developers. If you contact me I can give a quote for your project and we can discuss the details. www.<b><i>Removed by Freelancer.com Admin for breaching our Terms and Conditions</i></b>.io

$140 USD dalam sehari
(0 Ulasan)