Avaya IP Office is a versatile communications solution that brings big company features and functionality to small and mid-sized companies at reasonable prices.
The IP500V2 Control Unit is an evolution of the existing IP500 Control Unit, and is fully backwards compatible with it. Existing IP500 expansion cards are compatible with the IP500V2; additionally there are some new cards for IP Office Release 6.0 which work exclusively with the IP500V2.
Please contact Phonelady.com at 877-300-7557 for more information on the IP500V2 and/or IP Office Release 7.0. We're happy to be of assistance in determining the correct phone system for you!