Avaya Partner ACS - Controllers

The Partner ACS small business phone system is installed in over 1.3 million locations worldwide and Release 8 just made it a whole lot better.

With Partner ACS R8, you can start with as few as 5 lines and 9 extensions. Pay-only-as-you-grow expansion uses snap-in modules to bring the total to 15 lines and 41 extensions or 19 lines and 9 extensions--depending on your needs.