Yealink CP860 - Page 139

Configuring Basic Features
127
Details of the Configuration Parameter:
Parameter
Permitted Values
Default
phone_setting.is_deal180
0 or 1
1
Description:
Enables or disables the IP phone to deal with the 180 SIP message received after the
183 SIP message.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), the IP phone will resume and play the local ringback tone
upon a subsequent 180 message received.
Web User Interface:
Features->General Information->180 Ring Workaround
Phone User Interface:
None
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.