Question 1

Due to a shortage of physical interfaces on a device the administrator requires that a loopback for RTP is used. Which command is required when using a loopback interface for RTP?

Options :

A : voice-class sip resources priority mode passthrough

B : voice-class sip bind control source-interface Loopback0

C : voice-class sip early-offer forced.

D : voice-class sip bind media source-interface Loopback0

Answer: D

Question 2

Why would RTP traffic that is sent from the originating endpoint fail to be received on the far endpoint?

Options :

A :

The far end connection data (c=) in the SDP was overwritten by deep packet inspection in the call signaling path.

B : Cisco Unified Communications Manager invoked media termination point resources.

C : The RTP traffic is arriving beyond the jitter buffer on the receiving end.

D : A firewall in the media path is blocking TCP ports 16384-32768.

Answer: D

Question 3

Signal number reach call phone that not answered are leaving voicemails on the cell phone rather the corporate mailbox. Which two options will resolve this issue? (Choose two.)

Options :

A : Check the Enable Extend and Connect checkbox

B : Check the Enable Unified Mobility features checkbox

C : Decrease the T302 timer

D : Decrease the T301 timer Decrease the Answer Too Late timer

Answer: B,D

Question 4

Cisco SIP IP telephony is implemented on two floors of your company. Afterward, users report intermittent voice issues in calls established between floors. All calls are established, and sometimes they work well, but sometimes there is one-way audio or no audio. You determine that there is a firewall between the floors, and the administrator reports that it is allowing SIP signaling and UDP ports from 20000 to 22000 bidirectionally. What are two possible solutions? (Choose two.)

Options :

A :

Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 16384-32767

B : Ask the firewall administrator to change the ports to TCP.

C : Ask the firewall administrator to change the range of UDP ports to 16384-32767.

D :

Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 20000-22000.

E :

Go to System Parameters in Cisco Unified Communications Manager and change the range of media ports to 20000-22000.

Answer: A,C

Question 5

An engineer has a hunt group with some overflow and many calls are going to voicemail. To reduce the number of calls forwarded to voicemail, the engineer must create Call Queuing to make callers wait before going to voicemail. How will Call Queuing affect Forward Hunt No Answer and Forward Hunt Busy?

Options :

A : Forward Hunt No Answer and Forward Hunt Busy must be enabled while Call Queuing is enabled.

B :

Alter Call Queuing is enabled. Forward Hunt No Answer and Forward Hunt Busy must be disabled manually

C :

Before Call Queuing is enabled. Forward Hunt No Answer and Forward Hunt Busy must be disabled manually.

D :

When Call Queuing is enabled. Forward Hunt No Answer and Forward Hunt Busy are disabled automatically.

Answer: B

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