Configuring Advanced Features309To configure LDAP via web user interface:1. Click on Directory->LDAP.2. Enter the values in the corresponding fields.3. Select the desired values from the corresponding pull-down lists.4. Click Confirm to accept the change.Shared Call Appearance (SCA)SCA allows users to share an extension which can be registered on two or more DECT IPphones at the same time. For more information on how to register accounts, refer to AccountRegistration on page 144.Any DECT IP phone can be used to originate or receive calls on the shared line. An incomingcall can be presented to multiple phones simultaneously. The incoming call can be answered onany DECT IP phone but not all. A call that is active on one DECT IP phone will be presentedvisually to other DECT IP phones that share the call appearance.DECT 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 DECT IP phone to ask to seize the lineSCA supports the DECT IP phones barging in an active call. In addition, SCA has the call pullcapability. Call pull feature allows users to retrieve an existing call from another shared phonethat is in active or public hold status.If the call is placed on public hold, the held call is available for any shared party to retrieve. Ifthe call is placed on private hold, the held call is only available for the hold party to retrieve.