Help with web based VoIP system (sip,freeswitch,rtmp)

Avg Bid (USD)
Project Budget (USD)
$250 - $750

Project Description:
We have a one to many VoIP broadcasting system that can be accessed through a flash based client. We needs to make further improvements in it's functionality.

We need urgent help with the development. Please give us a time/cost estimate based on our requirement. We would like to extend the project if the current tasks are handled well.

Skills required:
PHP, Software Architecture, VoIP
About the employer:
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