CALL WAITING (CAMP-ON)With Call Waiting, an extension user may call a busy exten-sion and wait in line (Camp-On) without hanging up. Thecall goes through when the busy extension becomes free.This lets callers wait in line for a busy extension withoutbeing forgotten.Conditions: NoneDefault Configuration: Call Waiting enabled.ProgrammingRequired ProgrammingNoneOther ProgrammingProgram 4 - Extension Options (1) - [C.] Intercom Off-Hook SignalingEnabled or disable Off-Hook Signaling for SelectableDisplay Messaging [0=none, 1=manually signalled,2=automatically signalled when busy].Related FeaturesDirect Station Selection, ExtensionAfter hearing a busy signal, a DSS caller can Camp-On toa busy extension.Extension HuntingCamp-On can be activated when a user calls a busy HuntGroup - the call will be sent to the first available exten-sion in the Hunt Group.Off-Hook SignalingCamp-On cannot be activated by an extension that is pro-grammed for Automatic Intercom Off-Hook Signaling(Program 4 [C.]).Selectable Display MessagingA user can send a message to a busy display keyset user,such as ‘CALL ME ASAP’.Feature OperationTo send a Call Waiting tone to a busy extension:Place Intercom call + * + Do not hang up-Wait for call togo through.824+ Available308+ Available36