Additional features186Multiple Appearance Directory NumberMultiple Appearance Directory Number (MADN), also known as BridgeLine Appearance, and using Single Call Appearance (SCA) allowsmultiple phones to appear as a single line to the caller. Any of the IPPhones with the MADN feature active can initiate or answer a call, butonly one call can be active at a time. However, other clients that are partof the same MADN line can join the active call by going off hook.The MADN feature allows a user to prevent others from joining the call bymaking the call private. In order to make the call private a special code(Vertical Service Code) must be dialed so that the call server knows thatthe call is private. In order to dial a Vertical Service Code on anIP Phone 1140E the user must first initiate a new call by pressing theAction Context-sensitive soft key and select New Call/Conference andthen dial the Vertical Service Code which is provided by your systemadministrator or service provider.Note: The MADN feature is only available when you connect to a callserver that supports the MADN feature. Your system administratormanages the MADN feature and enables the MADN feature on yourIP Phone 1140E if required.When multiple phones are configured with a MADN SCA feature, theyshare one single Directory Number (DN) that is available to the user. Anincoming call to this DN or to any SIP address of the users of the MADNSCA group, causes all the phones to ring. Also, a call initiated from anyphone of the MADN SCA group can be joined by other users within thegroup.Any user that joins a call with the MADN SCA feature can put the call onhold and prevent other users within the MADN SCA group from joining.
