There is a saturated link that has traffic shaping configured. How is incoming traffic processed?

Endpoint A is attempting to call endpoint B.
Endpoint A only supports G.711ulaw with a packetization rate of
20 ms, and endpoint B supports packetization rate of 30 ms for G.711ulaw. Which two media are resources are allocated to normalize packetization rates through transrating?
Which call routing pattern is used for phone numbers that are in the E.164 format?
A user forwards a corporate number to an international number. What are two methods to prevent this forwarded call? (Choose two.)
End users report bad video quality and voice choppiness on Cisco Collaboration endpoints. The engineer changed the device pool the users were in but did not correct the problem. Which action should be taken to troubleshoot this issue?