Refer to the Exhibit. 

An agent initiated a video call but was establish as audio only. The support engineer collected and analyzed the Cisco Unified CM traces. Which two options caused this problem? (Choose two) 

Answer options:

A. A hardware MTP was assigned to the call.
B. SIP Notify DTMF was requested and negotiated.
C. MTP Required was checked on the SIP Trunks.
D. Use Trusted Relay Point is set on one of the phones.
E. MRGL assigned to phones with Trusted Relay Point.

DE