Elastix and A2Billing are installed and configured and fonctionnal but when I test an outbound call via A2Billing, voice said that number is busy even if not. Need someone to fix it. It's probably just a dialplan problem but can't find it.
11 freelancers are bidding on average $266 for this job
I am an expert in asterisk and a2billing, i can resolve this issue quickly and professionally. I am available to start immediately and can resolve it same day.