We need an experienced Asterisk admin to help us configure our PBX. The functionality is as follows:
Provide web interface to our numbering provider's API.
Integrate newly issued DID numbers with extensions on the pbx.
Provide web interface to determine outbound diversion of each extension on our outbound trunk.
Integrate system with A2Billing so that each extension has its own prepaid account.
You should have experience of deploying and configuring Asterisk and A2Billing.