350-801 · Question #70
A Cisco collaboration engineer is troubleshooting unexpected SIP call disconnects. Which three responses correspond to the 5xx range (Chose three).
The correct answer is A. Server timeout D. Service unavailable F. Version not supported. SIP 5xx series responses indicate server-side errors, with common examples being Server Timeout (504), Service Unavailable (503), and Version Not Supported (505), all of which can lead to call disconnects.
Question
A Cisco collaboration engineer is troubleshooting unexpected SIP call disconnects. Which three responses correspond to the 5xx range (Chose three).
Options
- AServer timeout
- BBad request
- CTemporarily unavailable
- DService unavailable
- EForbidden
- FVersion not supported
How the community answered
(46 responses)- A89% (41)
- B2% (1)
- C2% (1)
- E7% (3)
Why each option
SIP 5xx series responses indicate server-side errors, with common examples being Server Timeout (504), Service Unavailable (503), and Version Not Supported (505), all of which can lead to call disconnects.
504 Server Timeout - The server did not receive a timely response from an external server it needed to access to complete the request.
400 Bad Request - This is a 4xx client error, indicating the server cannot process the request due to malformed syntax.
480 Temporarily Unavailable - This is a 4xx client error, indicating the called party is temporarily unavailable.
503 Service Unavailable - The server is temporarily unable to handle the request due to temporary overloading or maintenance of the server.
403 Forbidden - This is a 4xx client error, meaning the server understood the request but refuses to fulfill it due to authorization or policy issues.
505 Version Not Supported - The server does not support the SIP protocol version specified in the request.
Concept tested: SIP 5xx error codes
Source: https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-sip-proxy/117496-technote-sip-00.html
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