When the called party of a call is busy or rejects the call, the local telephone set prompts the user to call back manually or cancel the call. 1.2 Applicable Models This document applies to Fanvil X3S and X4. The X5S and X6 models do not support the call completion function.
Function Description If the call completion function is enabled, signaling auto redial is enabled. If the called party is busy or rejects the call (reject response code 486), the telephone set displays the messages "Call completion. Wait xxx" and "Call completion. Call xxx" and determines whether the peer telephone set is in the standby state (the peer telephone set is in the terminated state if it sends NOTIFY).
Configuration Description 1. The call completion function is configured in the <TELE CONFIG MODULE> module of the configuration file. Parameter Description P1 Call Complete Call completion function. If the value is 1, when the peer telephone set switches from the busy state to the idle state, the local telephone set prompts the user to call back manually or cancel the call.
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3. To enable or disable the call completion function on the LCD, choose Menu > Features > Call Completion, click Enter and then select Enabled or Disabled to enable or disable the function.
Operation Description 4.1 Peer Telephone Set Is Busy (Call Waiting Disabled) 1. On the webpage of the test telephone set, choose Phone Settings > Features > Common Settings and select Enable Call Completion. Alternatively, choose Menu > Features > Call Completion on the LCD of the test telephone set, select Enabled, and click Save.
Click Exit. The test telephone set does not call B and returns to the standby screen. Click OK and capture SIP packets. It is found that the peer telephone set sends NOTIFY, indicating that it is in the terminated state. At this time, the test telephone set can call B again and set up a normal call.
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3. In the dialog box prompting "Call Completion. Wait xxx" (xxx is the phone number of B): (1) If you click Exit, the test telephone set exits the screen prompting "Call Completion. Wait xxx" and returns to the standby screen. When B ends the call or is idle, the test telephone set does not display the message "Call Completion.
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