What is the codec requirement when using Cisco Unified Mobile Agent in Cisco Unified Contact Center Enterprise 7.1.x?

A.
The CTI ports used to place calls to the agent (remote CTI ports) can use any mix codecs (G.711/G.729), depending on the agent location.

B.
The CTI ports used to route new inbound calls to the the agent (local CTI ports) can use any mix codecs (G.711/G.729), depending on the location of the ingress Cisco Voice Gateway.

C.
The CTI ports used for both placing calls to the agents (remote CTI ports) and for handling new inbound calls (local CTI ports) can use any mix of codecs (G.711/G.729), provided that the correct transcoding resources are engaged to match the regions correctly.

D.
The CTI ports used for both placing calls to the agents (remote CTI ports) and for handling new inbound calls (local CTI ports) must all be the same codec (G.711 or G.729).