CIW
TT0-201 · Question #58
You are troubleshooting a problem in which several IP phones cannot access an SIP proxy. You have been told that all SIP proxies and clients in the company are using the standard port as a default…
The correct answer is D. The wrong port number is specified in the proxy server. See the full explanation below for the reasoning.
Question
You are troubleshooting a problem in which several IP phones cannot access an SIP proxy. You have been told that all SIP proxies and clients in the company are using the standard port as a default. When you view the various configuration screens, you see the following information:
- DNS server: dns1.ctpcertified.com
- DHCP: Auto.
- SIP proxy: sipproxy.ctpcertified.com: 8080
- IP address: 192.168.2.33
- Subnet mask: 255.255.255.0
What is the most likely cause of the problem?
Options
- AThe wrong DNS server has been specified.
- BDHCP settings are not configured correctly.
- CThe wrong subnet mask has been specified.
- DThe wrong port number is specified in the proxy server.
How the community answered
(25 responses)- A4% (1)
- B16% (4)
- C8% (2)
- D72% (18)
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