Setup Asterisk / A2Billing to allow call forwarding using keys on users telephone. Call forwarding should be initiated on the asterisk / a2billing server and use CDR from a2billing to charge the user for the forwarded call.
Enable call forwardin:
*21* areacode+telephonenumber # hangup
Disable call forwarding:
#21# hangup
## Deliverables
Must be able to help with implementation if necessary.