I have the 2007 Escape Hybrid with the phone buttom. Do I need to buy the following 2 items from Ford in order for it work with my blootooth phone? That is a lot for just activating the bluetooth system.

Mobile-ease™ Hands Free System
Part Number: 3W4Z-19G399-AA
MSRP: $384.27

Mobile-ease™ Hands Free System, Connector Wiring Harness
Part Number: 3W4Z-14A411-BA
MSRP: $49.51