Cisco Unified Contact Center Enterprise uses Cisco Unified Customer Voice Portal in comprehensive mode. The customer estimates the peak inbound traffic to be 20 CPS, and that they have 10% transfer calls and 10% Courtesy Callback. They need to deploy SIP proxy. How many minimum SIP invites should be used to size the SIP proxy?
A. 24 invites/sec
B. 88 invites/sec
C. 96 invites/sec
D. 22 invites/sec
