Yealink SIP-T2 SERIES Administrator's Manual page 586

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
To configure the ACD subscribe period via web user interface:
1. Click on Account->Advanced.
2. Select the desired account from the pull-down list of Account.
3. Enter the desired timer in the ACD Subscribe Period(120~3600s) field.
4. 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
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 on page 153.
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
The events used are:
564
or , or the Switch soft key to select ACD from the Type field.
RFC 3265.