Polycom manual Troubleshooting the Polycom VVX 1500 D Phone, Calling

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Troubleshooting the Polycom VVX 1500 D Phone

This chapter contains general troubleshooting information to help you solve any problems you might encounter when you use the Polycom VVX 1500 D phone in an H.323 environment. The phone can provide feedback in the form of on-screen error messages, status indicators, and log files for troubleshooting issues.

For detailed information on error messages, log files, testing the phone hardware and phone issues—along with likely causes and corrective actions— refer to the “Troubleshooting” chapter of the latest SIP Administrator’s Guide.

This chapter presents phone issues, likely causes, and corrective actions for the Polycom VVX 1500 D phone in an H.323 environment. Issues are grouped as follows:

•Calling

•Polycom VVX 1500 D Display

Review the latest Release Notes for the SIP application for known problems and possible workarounds.

Calling

Symptom	Problem	Corrective Action
The line icon shows an	The phone line is unregistered.	Verify that the appropriate configuration
unregistered line icon.		parameters are set correctly. Verify that
		the call server is functioning correctly.
The Polycom VVX 1500 D	The Polycom VVX 1500 D	Verify that the appropriate configuration
selects a lower-quality codec	selects which audio/video codecs	parameters are set correctly. Check the
(H.261) when the called endpoint	to transmit based on the far-end	value of
also supports H.264 .	endpoint’s order of codecs in	voIpProt.SDP.answer.useLocalPrefer
	their supported list.	ences .

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