Which command is used in Cisco IOS XE TDM gateway to configure the voice T1/E1 controller to provide clocking?

Endpoint A is attempting to call endpoint B.
Endpoint A only supports G.711 ulaw 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?

An administrator installed a Cisco Unified IP 8831 Conference Phone that is failing to register Which two actions are taken to troubleshoot the problem? (Choose two)

An administrator configures Cisco UCM to use UDP for SIP signaling and finds that an endpoint cannot make calls Which action resolves this issue?

Refer to the exhibit. An engineer configures a VoIP dial peer on a Cisco gateway. Which codec is used?