Avaya to Cisco Migration

[1Bm123456]

I want to know the total requirements and total configuration. can any one help me..?

150 Avaya phone wants to replace with Cisco IP phone. how its configure..? and what are the requirements parameters

[R0g22]

Look into BE 4000 which is a cloud based UC solution. Contact a Cisco Partner in your area.

[Chris Deren]

Engage local Cisco Collaboration certified partner as they can provide scope of work and bill of materials for you at no charge.