Refer to the exhibit. A call to an international number has failed. Which action corrects this problem?
A. Add the bearer-cap speech command to the voice port.
B. Strip the leading 011 from the called party number.
C. Assign a transcoder to the MRGL of the gateway.
D. Add the isdn switch-type primary-dms100 command to the serial interface.
“A” is not a correct answer. From the debug output, the bearer capability, 0x8090A2, is already set up to speech
Reference https://www.cisco.com/c/en/us/support/docs/voice/h323/14006-h323-isdn-callfailure.html