Configuring Advanced Features
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2. Enter the desired timer in the ACD Subscribe Period(120~3600s) field.
3. Click Confirm to accept the change.
To configure an ACD key via phone user interface:
1. Press Menu->Features->DSS Keys.
2. Select the desired DSS key.
3. Press or , or the Switch soft key to select ACD from the Type field.
4. (Optional.) Enter the string that will appear on the LCD screen in the Label field.
5. Press the Save soft key to accept the change.
SCA allows users to share an extension which can be registered on two or more IP
phones at the same time. For more information on how to register accounts, refer to
Account Registration on page 126.
Any IP phone can be used to originate or receive calls on the shared line. An incoming
call can be presented to multiple phones simultaneously. The incoming call can be
answered on any IP phone but not all. A call that is active on one IP phone will be
presented visually to other IP phones that share the call appearance.
IP phones support SCA using a SUBSCRIBE/NOTIFY mechanism as specified in RFC 3265.
The events used are:
“call-info” for call appearance state notification
“line-seize” for the IP phone to ask to seize the line
SCA supports the IP phones barging in an active call. In addition, SCA has the call pull