Check if phone number exist

Hi, I have been working with Cisco VoIP since 2001 and Asterisk and freepbx ,trixbox, elastix since 2007. I'm very new to the site so trying to bid as low as possible and get better reviews as much as possible. That being said kindly let me know what time suits you so that we can discuss the project in a little more detail. regards,

I am an IITK graduate, an experienced software professional and I have got top notch developers in my team, who have got experience across a span of technologies. The team members in my team have worked with top notch tech organization such as Amazon, Cisco, Oracle etc. We have been involved in similar projects in the past and our track record has been excellent.

We have done something similar earlier. this is technically possible. But need to discuss it fully. Feel free to contact.

Hi, If the numbers you wish to test are only mobile numbers, then I can help you. I think you did not write price per check correctly. The minimum I can find is 1 cent per check, not 0.1 cent Let me know if interested. Thank you Regards

I am 15 years experienced senior software developer. I have mostly worked on the VOIP projects. i have designed hybrid VOIP PBX. I have used Asterisk, i have written modules for it and configured

Hi, I know the way how to check available phone numbers , so I think I can help you with your project. Lets contact for details!

i'm a security software desing engineer in a company. We working on voip security(generally). I implemented this this technic (SIP user enumeration) with java in our security product before. It's a simple technic but there are some exceptional cases about this. I know that...

I use to own my own VoIP company and I had this same issue... I know what its like to have provider charge you for phone number called that does not exist. I created a tool for asterisk 1.2 and I can write it for the new version