Exam 300-815 topic 1 question 173 discussion

Actual exam question from Cisco's 300-815

Question #: 173
Topic #: 1

Refer to the exhibit. An administrator received reports that users do not hear a ringback when they dial specific external numbers. For example, the Cisco Unified Border Element receives a delayed offer invite from Cisco UCM and responds with the 183 session progress in the exhibit. Assume that the PSTN is responsible for generating ringback in these problematic scenarios. Which action resolves the issue?

A. On Cisco Unified Border Element:
voice service voip
sip
rel1xx disable 100rel
B. Edit the configuration for SIP Rel1XX Options in the appropriate SIP profile on Cisco UCM to Send PRACK if 1xx Contains SDP.
C. On Cisco Unified Border Element:
voice service voip
sip
rel1xx require 100rel
D. Enable early media on the appropriate SIP trunk on Cisco UCM.

Show Suggested Answer

Suggested Answer: B 🗳️

by john_doe_9999 at Dec. 28, 2023, 5:11 p.m.

Comments

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729edae

7 months, 1 week ago

Selected Answer: B

I have had to do this myself in the past. B is the answer.

upvoted 1 times

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john_doe_9999

11 months, 1 week ago

Selected Answer: B

B would be the best answer here

upvoted 2 times

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