3cx PBX system should communicate with IP Office 500 and able to configure the same extensions(or same series of extensions) should be able to install in 3cx Mobile App.
So, while making the calls from 3cx- it should be from the Avaya Line.
7 freelancer chào giá trung bình$185 cho công việc này
Dear sir, I have experience of 8 years in Avaya & telecom sector, handling multiple products of avaya including voip products. I would like to help you regarding this project.