Which codec is missing from this IOS MTP configuration?

Refer to the exhibit.

Media Termination Point is required when the H.264 codec-capable video endpoints route calls via a specific Cisco Unified Communications Manager SIP trunk, in order to provide DTMF interworking capabilities. In the exhibit, a designated IOS Software MTP is configured. However, calls establish as audio only when using this particular MTP. Which codec is missing from this IOS MTP configuration?
A. codec pass-through
B. codec h264 cif
C. codec h263 cif
D. codec h264 720p