Already worked a lot on almost all kind of VOIP service such as BigBlueButton(bbb),Asterisks, Openmeetings, Sipxecs, freeswitch, Open-sips, freepbx and Wowza.
see one such big VOIP business setup completed project fMore
I can definitely help you out with this project. I've built many VOIP services, calling card platforms, and internet telephony providers.
My bid is for a turnkey installation on a server that you will proMore
Atto communication pvt ltd based out in Bangalore, India.
We started in 2011 with team of people who have rich experience Marketing , Software development and Testing in field of Networking and Wireless More