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Cisco CCNP Collaboration 300-815 Question # 28 Topic 2 Discussion

300-815 Exam Topic 2 Question 28 Discussion:
Question #: 28
Topic #: 2

Refer to the exhibit.

300-815 Question 28

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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Actual exam question for Cisco 300-815 exam by Onyx4542 at May 4, 2026, 5:01:34 AM

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