We are a VoIP company in the US looking for a PHP programmer to customize the open source A2Billing (based on Asterisk)project to allow for the billing of our origination (incoming DID) minutes. System already is setup and functions for calls made out by our customers, but we basically need to replicate teh same scripts and processes for incoming calls.
Baiscally, duplicate the billing engine for inbound calls.
13 pekerja bebas membida secara purata $430 untuk pekerjaan ini
indriyum is an India based company focusing on the media related [url removed, login to view] can able to provide you the right solutions in a limited [url removed, login to view] are expertising on Website development, Design services, Multimedia and Soft Lagi