Fix Asterisk + FreePBX + a2billing

Hi, After checking your log file. It seems you are using old nat format. We need to change the nat format and do the advancement in system to avoid issue like RTP. Im the best to solve this issue for you.

Hi I'm an Asterisk expert as well a2billing administrator, Im very skilled fixing nat issue and I would be more than glad to help you with your issue

I can able to help you in fixing the NAT issue with your VoIP gateway, completed 100+ projects in past seven years of time, Please go through my past projects and reviews.

Hi there, I have lots of experience with such projects. I offer my services to resolve your issue. I assure you a professional solution.

Hi, just change some features to solve it. If want answer to me and we can solve it. Regards, Leandro4

Dear Prospect Hiring Manager. Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned "I can do this job and give you an efficient job that will be very acceptable and presentable. I and my team work on web development and mobile apps and I can assure you that you will never be disappointed"