4-18 Chapter 4Business Features PackageCall Intrusion (Barge In). This feature operates in the same manner as in a non-networked switch.Call Offer/Call Waiting (Camp On). This feature operates in the same manner as in a non networkedswitch. When a called station is busy, the caller can press a Camp-On key and appear as a ringing callon the second call key. The Auto Camp-On feature will not work on calls across a network link if set toON in MMC programming.Call Transfer. Calls answered in one network node can be transferred to a station or station group inanother network node.Transfer Retrieve. Calls on Transfer Hold during a screened transfer can be retrieved by pressing theCall key for that call.Transfer Recall. Calls transferred across a network link will recall to the transferring station after theoriginating system’s transfer recall timer expires. After recalling, if not answered prior to the system’sattendant recall timer expiring, the call will recall to the system’s designated operator group. Attendantrecalls will not recall to a ‘Centralised Attendant” (see below).DDI with Pass Through. Incoming DDI calls can be routed through one switch across a network linkto be processed by the DDI table of the destination switch.Do Not Disturb (DND). This feature operates in the same manner as in a non-networked switch.There is an option in MMC programming to determine the type of DND tone sent across the networklink.Caller ID (CID). CID in the forms that are currently available (PRI Name and Number and BRINumber) will be transported across the network link with the original call.Centralised Attendant. This feature allows a user in any switch to dial “0” and ring at the designatedCentral Attendant group. Each system on the network requires its own designated attendant group forlocal usage and recalls.Internal Calling/Uniform Dialling Plan. Station to station and station to group calls can be madeacross the network link without having to dial an access code for a call within the network. LCR canalso be programmed to route calls across a network link to access local trunks in another networkedsystem.Centralised Voice Mail with Message Waiting Lights. This feature will operate only with Cadence,SVMi-8 or SVMi-16 Voice Mail systems. Users in one node can call forward to the voice mail group ina different switch and messages left in that switch will be indicated on the VMSG key in the originatingswitch. Messages can be returned to voice mail by pressing the VMSG key.Off Premises Extensions (OPX)A single line (tip and ring) extension from a 4SLI card only may be connected to telephonecompany-provided OPX circuits to remote locations.Operator GroupThe operator group can contain up to 32 stations to answer incoming calls. Calls to thisgroup can be set for distributed, sequential or unconditional ringing. Operators can use theIn/Out of Group feature to meet flexible operator requirements. Operator groups areselectable per ring plan.