An engineer is integrating Unity Connection with Cisco UCM. Which two actions must be configured so that recording and playback from the IP phones works at all times, including peak traffic hours? (Choose two.)
A.
Increase the number of voice ports.
B.
The phone system to which the phones are registered in Unity Connection has the Default Trap Switch check box enabled.
C.
Ensure that you have set up SIP Digest Authentication on the SIP trunk security profile.
D.
If it's a Unity Connection Cluster, ensure that replication is fine and not in split-brain mode.
E.
Add dedicated dial-out ports with the allow trap connections setting selected.
A. and D. are conditions that commit all of the ports (Answer Calls, Message Notification, MWI Requests, Allow TRAP Connections) and have an impact over all of the system, not just TRAP. Also ports are defined by the VM sizing.
C. does not make any sense.
B. and E. are more specific refering about the TRaP connections in order of the question. I think they are the most specific and precise about TRAP. The another three ones are generic and non-specific.
The link this exam provides: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/connection/14/integration/cucme_sccp/b_14cucintcucmesccp.html
is for Cisco Unified CM Express, and question specifies CUCM......
My answer: A E
Search for allow trap
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/connection/11x/integration/guide/cucm_sip/b_cucintcucmsip/b_cucintcucmsip_chapter_011.html#ID-2585-000003c7
Trap Connection needs to be enable on the port and phone system to always allow recording and playback
A. Increase the number of voice ports.
D. If it's a Unity Connection Cluster, ensure that replication is fine and not in split-brain mode.
To ensure recording and playback from the IP phones work at all times, including peak traffic hours, an engineer should increase the number of voice ports to avoid busy signals and to ensure that all calls are recorded. If it's a Unity Connection Cluster, the engineer should ensure that replication is fine and not in split-brain mode to ensure that all servers in the cluster have the same data, including call recordings.
Option B is not relevant to recording and playback from IP phones. The Default Trap Switch check box is used to send notifications to Unity Connection when a user is added, deleted, or changed in the phone system.
Option C is related to SIP trunk security and not to recording and playback from IP phones.
Option E is not necessary as it is not related to recording and playback from IP phones. Dedicated dial-out ports are used for outbound calls from Unity Connection, not for recording and playback from IP phones.
++Voice Messaging Ports to Dial Out++
=> Ports that only dial out and do not answer calls can do one or more of the following:
- Notify users by phone, pager, or email of messages that have arrived.
- Turn MWIs on and off for user extensions.
- Make a TRAP connection so that users can use the phone as a recording and playback device in Unity Connection web applications.
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