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 ??


Evner: MySQL, PHP, Software Arkitektur, Telekommunikations Ingeniørarbejde, VoIP

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Om arbejdsgiveren:
( 15 bedømmelser ) mans, United Kingdom

Projekt ID: #4035830

7 freelancers are bidding on average $306 for this job


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 in 2 dage
(29 bedømmelser)

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 in 5 dage
(1 bedømmelse)

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

$250 USD in 5 dage
(0 bedømmelser)

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 in 2 dage
(1 bedømmelse)

Hi , Check PMB

$500 USD in 5 dage
(0 bedømmelser)

We are telecom and Voip experts.

$300 USD in 7 dage
(0 bedømmelser)

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 Admin for breaching our Terms and Conditions</i></b>.io

$140 USD på 1 dag
(0 bedømmelser)