What is the Integrated Communication Interface (ICI) used for in SAP CRM? Please choose the correct answer.

What is the Integrated Communication Interface (ICI) used for in SAP CRM? Please choose the correct answer.
A . To enable communication between SAP CRM and mobile clients
B . To enable communication between SAP CRM and SAP SCM
C . To enable communication between SAP CRM and Computer Telephony
D . To enable communication between SAP CRM and SAP ERP

Answer: C