Complete VoIP System, Asterisk, A2billing, Calling Card, Dailer Website Development

We are looking for a Developer who can develop a complete system from scratch :

~ Complete informative Calling Card/Call Back site needs to be designed.

~ User Account Management Required (User can see his calls history, calling card purchases, buy time through PAYPAL/payment gateway etc.)

~ Re-seller Module (Re-seller who will sell our call times to retail customer, his account should be managed by system)

~ Asterisk PBX integration/installation on server

~ A2Billing integration with User/Reseller account

~ Integration of DID number/SIM Modem with local system & server.

~ Fully functional Admin Panel

~ Automated Functionality of Call Back (with proper IVR announcement)

~ Web to call request functionality

~ Spoofing caller ID (managed by Admin)

~ Generation of Different Denominations of Calling Cards and integrate data with system.

~ Printing of Calling card PIN on Cards/pre-printed security coupons

~ Mobile Dialer for Android, iPhone, Windows etc. Supportable for all networks and environments.

~ Auto switching of call routes based of best rates from different providers.

~ Integration of SMS to recharge (by sending short code SMS from re-seller to our system. Our system will recharge end-users account instantly)

~ CMS pages (for Site for further announcements)

~ Testimonials

~ Load testing of entire system

~ At least 3 months support required.

~ after successful start of venture, additional features also required for which we will discuss later.


+ We need this project to be fully functional in 15 days or so.

+ We expect bids from experienced developers only. Those who have NO past history of similar jobs, please do not bid on this.

+ We need full access to developer (phone, email, chat etc.)

+ Daily Progress and regular discussion required.

+ Developer needs to Sign NDA

Detailed functionality can be discussed once project is awarded to capable freelancer.

For reference please visit :

Skills: Graphic Design, HTML, PHP, Website Design

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About the Employer:
( 27 reviews ) Hong Kong, India

Project ID: #4359049