Hello,
I read your requirements and I find myself a perfect fit for this project.
I am an experienced VoIP developer with 8+ years of experience. My expertise are Asterisk and FreeSWITCH. I also have a team of 15+ professionals with expertise in Asterisk, FreeSWITCH, PHP and its frameworks like CodeIgniter, Laravel, YII, etc. We have worked with different database systems, including, MySQL and MongoDB. We have worked with multiple multiserver, client server and similar architecture. I have personal experience of developing multi-tenant IP PBX, custom telephony system, class 4 Softswitch, class 5 Softswitch, IVR, SBC, Click to call solutions.
I can assist you in this project with reliable service and will provide you on-time delivery. Let's discuss the project in detail so I can give you suggestions and you can gauge my technical expertise.
Looking forward to hearing back from you.
Thank You