268 Model 6757i CT IP Phone User GuideAdditional Features Shared Call Appearance (SCA) Call BridgingShared Call Appearance (SCA) is when incoming calls are presented to multiple phonessimultaneously. For example, it is the ability to assign the boss' extension to a button on thesecretary's phone. Calls can be transferred between two phones with the same extension buttonby simply putting the call on hold at one phone and picking it up on the other. Status LEDs lightand flash in unison, allowing all people sharing the extension to see the status at a glance.The phones include an enhanced SCA for the servers that support call bridging and allows twoor more SCA users to be connected in a call with a third party.Refer to the following example.Using the example above, when a call comes into Phone 1, Phone 2 and Phone 3 can pickup thesame call by pressing the SCA line key. Phone 2 and 3 display the call they are bridging into onthe LCD of the phones. Existing SCA parties in a bridge or one-to-one call hear an audible beepwhen another party has joined the call.If a phone is configured for SCA bridging and it attempts to join a call, but the account on theserver does not have this functionality enabled, an error message displays to the LCD on thephone.The SCA call bridging feature is disabled by default on all phones. Your Administrator canenable/disable this feature if required. Contact your System Administrator for more information.Note: Your Administrator must enable/disable the beep on the server-side.Phone APhone 1SCA EnvironmentPhone 2Phone 3Phone A calls the SCA number andall the phones in the SCA enironmentring.SCA phone 1 answers.SCA phone 2 joins bypressing SCA line. WhenWhen 2 and 3 pickup,1 can hangup.phone 1 hangs up, 2 is stillconnected. Phone 2 canpress the line key toNote: A user can place a call on hold while in an SCA bridged call, by pressing the SCA line key.put SCA call on holdleaving 3 still connectedto 1.SCA phone 3 joins bypressing SCA line. Whenphone 1 hangs up, 3 is stillconnected. Phone 3 canpress the line key toput SCA call on holdleaving 2 still connectedto 1.