Exam 300-815 topic 1 question 14 discussion

Actual exam question from Cisco's 300-815

Question #: 14
Topic #: 1

Refer to the exhibit. A user reports that when they call a specific phone number, no one answers the call, but when they call from a mobile phone, the call is answered. The engineer troubleshooting the issue is expecting the far-end gateway to cut through audio on the 183 Session Progress SIP message. Which SIP
Profile configuration element is necessary for the Cisco Unified Communications Manager to send acknowledgement of provisional responses?

A. Allow Passthrough of Configured Line Device Caller Information must be enabled.
B. Accept Audio Codec Preferences in Received Offer must be set to On.
C. On the SIP Profile, the configuration parameter SIP Rel1XX Options must be set to Send PRACK for all 1xx Messages.
D. Early Offer for G Clear Calls must be enabled.

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Suggested Answer: C 🗳️

by SabSal at Dec. 13, 2020, 1:50 p.m.

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f1ab921

6 months, 2 weeks ago

Selected Answer: C

This configures cucm to send pracks to all 1xx messages via the sip trunk to which this sip profile is assigned.

upvoted 1 times

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SabSal

4 years, 4 months ago

Answer C: https://community.cisco.com/t5/ip-telephony-and-phones/ring-back-while-183-session-progress/m-p/2813529#M315884

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Exam 300-815 topic 1 question 14 discussion

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