Administrator’s Guide for SIP-T4X IP Phones
86
180 ring workaround defines whether to deal with the 180 message received after the
183 message. When the caller receives a 183 message, it suppresses any local ringback
tone and begins to play the media received. 180 ring workaround allows IP phones to
resume and play the local ringback tone upon a subsequent 180 message received.
Procedure
180 ring workaround can be configured using the configuration files or locally.
Configuration File
<y0000000000xx>.cfg
Configure 180 ring workaround.
For more information, refer to
180
Ring Workaround
on page
290
.
Local
Web User Interface
Configure 180 ring workaround.
Navigate to:
http://<phoneIPAddress>/servlet
?p=features-general&q=load
To configure 180 ring workaround via web user interface:
1.
Click on Features->General Information
.
2.
Select the desired value from the pull-down list of 180 Ring Workaround.
3.
Click Confirm to accept the change.
Summary of Contents for SIP-T4X
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