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 ??
7 pekerja bebas membida secara purata $306 untuk pekerjaan ini
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.
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
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